diff options
Diffstat (limited to 'drivers/char')
-rw-r--r-- | drivers/char/defkeymap.c_shipped | 68 | ||||
-rw-r--r-- | drivers/char/drm/ati_pcigart.c | 91 | ||||
-rw-r--r-- | drivers/char/drm/drmP.h | 3 | ||||
-rw-r--r-- | drivers/char/drm/drm_fops.c | 7 | ||||
-rw-r--r-- | drivers/char/drm/drm_lock.c | 35 | ||||
-rw-r--r-- | drivers/char/drm/drm_pciids.h | 7 | ||||
-rw-r--r-- | drivers/char/drm/r128_cce.c | 1 | ||||
-rw-r--r-- | drivers/char/drm/radeon_cp.c | 1 | ||||
-rw-r--r-- | drivers/char/drm/via_dma.c | 59 | ||||
-rw-r--r-- | drivers/char/drm/via_dmablit.c | 2 | ||||
-rw-r--r-- | drivers/char/esp.c | 1 | ||||
-rw-r--r-- | drivers/char/hw_random/Kconfig | 9 | ||||
-rw-r--r-- | drivers/char/isicom.c | 2 | ||||
-rw-r--r-- | drivers/char/nozomi.c | 61 | ||||
-rw-r--r-- | drivers/char/pcmcia/ipwireless/network.c | 5 | ||||
-rw-r--r-- | drivers/char/riscom8.c | 8 | ||||
-rw-r--r-- | drivers/char/rocket.c | 37 | ||||
-rw-r--r-- | drivers/char/rocket_int.h | 83 | ||||
-rw-r--r-- | drivers/char/specialix.c | 1 | ||||
-rw-r--r-- | drivers/char/vt.c | 1 | ||||
-rw-r--r-- | drivers/char/xilinx_hwicap/buffer_icap.c | 80 | ||||
-rw-r--r-- | drivers/char/xilinx_hwicap/fifo_icap.c | 60 | ||||
-rw-r--r-- | drivers/char/xilinx_hwicap/xilinx_hwicap.c | 138 | ||||
-rw-r--r-- | drivers/char/xilinx_hwicap/xilinx_hwicap.h | 24 |
24 files changed, 403 insertions, 381 deletions
diff --git a/drivers/char/defkeymap.c_shipped b/drivers/char/defkeymap.c_shipped index 0aa419a6176..d2208dfe3f6 100644 --- a/drivers/char/defkeymap.c_shipped +++ b/drivers/char/defkeymap.c_shipped @@ -223,40 +223,40 @@ char *func_table[MAX_NR_FUNC] = { }; struct kbdiacruc accent_table[MAX_DIACR] = { - {'`', 'A', '\300'}, {'`', 'a', '\340'}, - {'\'', 'A', '\301'}, {'\'', 'a', '\341'}, - {'^', 'A', '\302'}, {'^', 'a', '\342'}, - {'~', 'A', '\303'}, {'~', 'a', '\343'}, - {'"', 'A', '\304'}, {'"', 'a', '\344'}, - {'O', 'A', '\305'}, {'o', 'a', '\345'}, - {'0', 'A', '\305'}, {'0', 'a', '\345'}, - {'A', 'A', '\305'}, {'a', 'a', '\345'}, - {'A', 'E', '\306'}, {'a', 'e', '\346'}, - {',', 'C', '\307'}, {',', 'c', '\347'}, - {'`', 'E', '\310'}, {'`', 'e', '\350'}, - {'\'', 'E', '\311'}, {'\'', 'e', '\351'}, - {'^', 'E', '\312'}, {'^', 'e', '\352'}, - {'"', 'E', '\313'}, {'"', 'e', '\353'}, - {'`', 'I', '\314'}, {'`', 'i', '\354'}, - {'\'', 'I', '\315'}, {'\'', 'i', '\355'}, - {'^', 'I', '\316'}, {'^', 'i', '\356'}, - {'"', 'I', '\317'}, {'"', 'i', '\357'}, - {'-', 'D', '\320'}, {'-', 'd', '\360'}, - {'~', 'N', '\321'}, {'~', 'n', '\361'}, - {'`', 'O', '\322'}, {'`', 'o', '\362'}, - {'\'', 'O', '\323'}, {'\'', 'o', '\363'}, - {'^', 'O', '\324'}, {'^', 'o', '\364'}, - {'~', 'O', '\325'}, {'~', 'o', '\365'}, - {'"', 'O', '\326'}, {'"', 'o', '\366'}, - {'/', 'O', '\330'}, {'/', 'o', '\370'}, - {'`', 'U', '\331'}, {'`', 'u', '\371'}, - {'\'', 'U', '\332'}, {'\'', 'u', '\372'}, - {'^', 'U', '\333'}, {'^', 'u', '\373'}, - {'"', 'U', '\334'}, {'"', 'u', '\374'}, - {'\'', 'Y', '\335'}, {'\'', 'y', '\375'}, - {'T', 'H', '\336'}, {'t', 'h', '\376'}, - {'s', 's', '\337'}, {'"', 'y', '\377'}, - {'s', 'z', '\337'}, {'i', 'j', '\377'}, + {'`', 'A', 0300}, {'`', 'a', 0340}, + {'\'', 'A', 0301}, {'\'', 'a', 0341}, + {'^', 'A', 0302}, {'^', 'a', 0342}, + {'~', 'A', 0303}, {'~', 'a', 0343}, + {'"', 'A', 0304}, {'"', 'a', 0344}, + {'O', 'A', 0305}, {'o', 'a', 0345}, + {'0', 'A', 0305}, {'0', 'a', 0345}, + {'A', 'A', 0305}, {'a', 'a', 0345}, + {'A', 'E', 0306}, {'a', 'e', 0346}, + {',', 'C', 0307}, {',', 'c', 0347}, + {'`', 'E', 0310}, {'`', 'e', 0350}, + {'\'', 'E', 0311}, {'\'', 'e', 0351}, + {'^', 'E', 0312}, {'^', 'e', 0352}, + {'"', 'E', 0313}, {'"', 'e', 0353}, + {'`', 'I', 0314}, {'`', 'i', 0354}, + {'\'', 'I', 0315}, {'\'', 'i', 0355}, + {'^', 'I', 0316}, {'^', 'i', 0356}, + {'"', 'I', 0317}, {'"', 'i', 0357}, + {'-', 'D', 0320}, {'-', 'd', 0360}, + {'~', 'N', 0321}, {'~', 'n', 0361}, + {'`', 'O', 0322}, {'`', 'o', 0362}, + {'\'', 'O', 0323}, {'\'', 'o', 0363}, + {'^', 'O', 0324}, {'^', 'o', 0364}, + {'~', 'O', 0325}, {'~', 'o', 0365}, + {'"', 'O', 0326}, {'"', 'o', 0366}, + {'/', 'O', 0330}, {'/', 'o', 0370}, + {'`', 'U', 0331}, {'`', 'u', 0371}, + {'\'', 'U', 0332}, {'\'', 'u', 0372}, + {'^', 'U', 0333}, {'^', 'u', 0373}, + {'"', 'U', 0334}, {'"', 'u', 0374}, + {'\'', 'Y', 0335}, {'\'', 'y', 0375}, + {'T', 'H', 0336}, {'t', 'h', 0376}, + {'s', 's', 0337}, {'"', 'y', 0377}, + {'s', 'z', 0337}, {'i', 'j', 0377}, }; unsigned int accent_table_size = 68; diff --git a/drivers/char/drm/ati_pcigart.c b/drivers/char/drm/ati_pcigart.c index d352dbb4ccf..e5a0e97cfdd 100644 --- a/drivers/char/drm/ati_pcigart.c +++ b/drivers/char/drm/ati_pcigart.c @@ -35,42 +35,23 @@ # define ATI_PCIGART_PAGE_SIZE 4096 /**< PCI GART page size */ -static void *drm_ati_alloc_pcigart_table(int order) +static int drm_ati_alloc_pcigart_table(struct drm_device *dev, + struct drm_ati_pcigart_info *gart_info) { - unsigned long address; - struct page *page; - int i; - - DRM_DEBUG("%d order\n", order); - - address = __get_free_pages(GFP_KERNEL | __GFP_COMP, - order); - if (address == 0UL) { - return NULL; - } - - page = virt_to_page(address); + gart_info->table_handle = drm_pci_alloc(dev, gart_info->table_size, + PAGE_SIZE, + gart_info->table_mask); + if (gart_info->table_handle == NULL) + return -ENOMEM; - for (i = 0; i < order; i++, page++) - SetPageReserved(page); - - DRM_DEBUG("returning 0x%08lx\n", address); - return (void *)address; + return 0; } -static void drm_ati_free_pcigart_table(void *address, int order) +static void drm_ati_free_pcigart_table(struct drm_device *dev, + struct drm_ati_pcigart_info *gart_info) { - struct page *page; - int i; - int num_pages = 1 << order; - DRM_DEBUG("\n"); - - page = virt_to_page((unsigned long)address); - - for (i = 0; i < num_pages; i++, page++) - ClearPageReserved(page); - - free_pages((unsigned long)address, order); + drm_pci_free(dev, gart_info->table_handle); + gart_info->table_handle = NULL; } int drm_ati_pcigart_cleanup(struct drm_device *dev, struct drm_ati_pcigart_info *gart_info) @@ -78,8 +59,7 @@ int drm_ati_pcigart_cleanup(struct drm_device *dev, struct drm_ati_pcigart_info struct drm_sg_mem *entry = dev->sg; unsigned long pages; int i; - int order; - int num_pages, max_pages; + int max_pages; /* we need to support large memory configurations */ if (!entry) { @@ -87,15 +67,7 @@ int drm_ati_pcigart_cleanup(struct drm_device *dev, struct drm_ati_pcigart_info return 0; } - order = drm_order((gart_info->table_size + (PAGE_SIZE-1)) / PAGE_SIZE); - num_pages = 1 << order; - if (gart_info->bus_addr) { - if (gart_info->gart_table_location == DRM_ATI_GART_MAIN) { - pci_unmap_single(dev->pdev, gart_info->bus_addr, - num_pages * PAGE_SIZE, - PCI_DMA_TODEVICE); - } max_pages = (gart_info->table_size / sizeof(u32)); pages = (entry->pages <= max_pages) @@ -112,10 +84,9 @@ int drm_ati_pcigart_cleanup(struct drm_device *dev, struct drm_ati_pcigart_info gart_info->bus_addr = 0; } - if (gart_info->gart_table_location == DRM_ATI_GART_MAIN - && gart_info->addr) { - drm_ati_free_pcigart_table(gart_info->addr, order); - gart_info->addr = NULL; + if (gart_info->gart_table_location == DRM_ATI_GART_MAIN && + gart_info->table_handle) { + drm_ati_free_pcigart_table(dev, gart_info); } return 1; @@ -127,11 +98,10 @@ int drm_ati_pcigart_init(struct drm_device *dev, struct drm_ati_pcigart_info *ga struct drm_sg_mem *entry = dev->sg; void *address = NULL; unsigned long pages; - u32 *pci_gart, page_base, bus_address = 0; + u32 *pci_gart, page_base; + dma_addr_t bus_address = 0; int i, j, ret = 0; - int order; int max_pages; - int num_pages; if (!entry) { DRM_ERROR("no scatter/gather memory!\n"); @@ -141,31 +111,14 @@ int drm_ati_pcigart_init(struct drm_device *dev, struct drm_ati_pcigart_info *ga if (gart_info->gart_table_location == DRM_ATI_GART_MAIN) { DRM_DEBUG("PCI: no table in VRAM: using normal RAM\n"); - order = drm_order((gart_info->table_size + - (PAGE_SIZE-1)) / PAGE_SIZE); - num_pages = 1 << order; - address = drm_ati_alloc_pcigart_table(order); - if (!address) { + ret = drm_ati_alloc_pcigart_table(dev, gart_info); + if (ret) { DRM_ERROR("cannot allocate PCI GART page!\n"); goto done; } - if (!dev->pdev) { - DRM_ERROR("PCI device unknown!\n"); - goto done; - } - - bus_address = pci_map_single(dev->pdev, address, - num_pages * PAGE_SIZE, - PCI_DMA_TODEVICE); - if (bus_address == 0) { - DRM_ERROR("unable to map PCIGART pages!\n"); - order = drm_order((gart_info->table_size + - (PAGE_SIZE-1)) / PAGE_SIZE); - drm_ati_free_pcigart_table(address, order); - address = NULL; - goto done; - } + address = gart_info->table_handle->vaddr; + bus_address = gart_info->table_handle->busaddr; } else { address = gart_info->addr; bus_address = gart_info->bus_addr; diff --git a/drivers/char/drm/drmP.h b/drivers/char/drm/drmP.h index a6789f25009..8ea9dd1717a 100644 --- a/drivers/char/drm/drmP.h +++ b/drivers/char/drm/drmP.h @@ -54,6 +54,7 @@ #include <linux/pci.h> #include <linux/jiffies.h> #include <linux/smp_lock.h> /* For (un)lock_kernel */ +#include <linux/dma-mapping.h> #include <linux/mm.h> #include <linux/cdev.h> #include <linux/mutex.h> @@ -551,6 +552,8 @@ struct drm_ati_pcigart_info { int gart_reg_if; void *addr; dma_addr_t bus_addr; + dma_addr_t table_mask; + struct drm_dma_handle *table_handle; drm_local_map_t mapping; int table_size; }; diff --git a/drivers/char/drm/drm_fops.c b/drivers/char/drm/drm_fops.c index 3992f73299c..f09d4b5002b 100644 --- a/drivers/char/drm/drm_fops.c +++ b/drivers/char/drm/drm_fops.c @@ -326,6 +326,7 @@ int drm_release(struct inode *inode, struct file *filp) struct drm_file *file_priv = filp->private_data; struct drm_device *dev = file_priv->head->dev; int retcode = 0; + unsigned long irqflags; lock_kernel(); @@ -357,9 +358,11 @@ int drm_release(struct inode *inode, struct file *filp) */ do{ - spin_lock(&dev->lock.spinlock); + spin_lock_irqsave(&dev->lock.spinlock, + irqflags); locked = dev->lock.idle_has_lock; - spin_unlock(&dev->lock.spinlock); + spin_unlock_irqrestore(&dev->lock.spinlock, + irqflags); if (locked) break; schedule(); diff --git a/drivers/char/drm/drm_lock.c b/drivers/char/drm/drm_lock.c index bea2a7d5b2b..12dcdd1832f 100644 --- a/drivers/char/drm/drm_lock.c +++ b/drivers/char/drm/drm_lock.c @@ -53,6 +53,7 @@ int drm_lock(struct drm_device *dev, void *data, struct drm_file *file_priv) DECLARE_WAITQUEUE(entry, current); struct drm_lock *lock = data; int ret = 0; + unsigned long irqflags; ++file_priv->lock_count; @@ -71,9 +72,9 @@ int drm_lock(struct drm_device *dev, void *data, struct drm_file *file_priv) return -EINVAL; add_wait_queue(&dev->lock.lock_queue, &entry); - spin_lock(&dev->lock.spinlock); + spin_lock_irqsave(&dev->lock.spinlock, irqflags); dev->lock.user_waiters++; - spin_unlock(&dev->lock.spinlock); + spin_unlock_irqrestore(&dev->lock.spinlock, irqflags); for (;;) { __set_current_state(TASK_INTERRUPTIBLE); if (!dev->lock.hw_lock) { @@ -95,9 +96,9 @@ int drm_lock(struct drm_device *dev, void *data, struct drm_file *file_priv) break; } } - spin_lock(&dev->lock.spinlock); + spin_lock_irqsave(&dev->lock.spinlock, irqflags); dev->lock.user_waiters--; - spin_unlock(&dev->lock.spinlock); + spin_unlock_irqrestore(&dev->lock.spinlock, irqflags); __set_current_state(TASK_RUNNING); remove_wait_queue(&dev->lock.lock_queue, &entry); @@ -198,8 +199,9 @@ int drm_lock_take(struct drm_lock_data *lock_data, { unsigned int old, new, prev; volatile unsigned int *lock = &lock_data->hw_lock->lock; + unsigned long irqflags; - spin_lock(&lock_data->spinlock); + spin_lock_irqsave(&lock_data->spinlock, irqflags); do { old = *lock; if (old & _DRM_LOCK_HELD) @@ -211,7 +213,7 @@ int drm_lock_take(struct drm_lock_data *lock_data, } prev = cmpxchg(lock, old, new); } while (prev != old); - spin_unlock(&lock_data->spinlock); + spin_unlock_irqrestore(&lock_data->spinlock, irqflags); if (_DRM_LOCKING_CONTEXT(old) == context) { if (old & _DRM_LOCK_HELD) { @@ -272,15 +274,16 @@ int drm_lock_free(struct drm_lock_data *lock_data, unsigned int context) { unsigned int old, new, prev; volatile unsigned int *lock = &lock_data->hw_lock->lock; + unsigned long irqflags; - spin_lock(&lock_data->spinlock); + spin_lock_irqsave(&lock_data->spinlock, irqflags); if (lock_data->kernel_waiters != 0) { drm_lock_transfer(lock_data, 0); lock_data->idle_has_lock = 1; - spin_unlock(&lock_data->spinlock); + spin_unlock_irqrestore(&lock_data->spinlock, irqflags); return 1; } - spin_unlock(&lock_data->spinlock); + spin_unlock_irqrestore(&lock_data->spinlock, irqflags); do { old = *lock; @@ -344,19 +347,20 @@ static int drm_notifier(void *priv) void drm_idlelock_take(struct drm_lock_data *lock_data) { int ret = 0; + unsigned long irqflags; - spin_lock(&lock_data->spinlock); + spin_lock_irqsave(&lock_data->spinlock, irqflags); lock_data->kernel_waiters++; if (!lock_data->idle_has_lock) { - spin_unlock(&lock_data->spinlock); + spin_unlock_irqrestore(&lock_data->spinlock, irqflags); ret = drm_lock_take(lock_data, DRM_KERNEL_CONTEXT); - spin_lock(&lock_data->spinlock); + spin_lock_irqsave(&lock_data->spinlock, irqflags); if (ret == 1) lock_data->idle_has_lock = 1; } - spin_unlock(&lock_data->spinlock); + spin_unlock_irqrestore(&lock_data->spinlock, irqflags); } EXPORT_SYMBOL(drm_idlelock_take); @@ -364,8 +368,9 @@ void drm_idlelock_release(struct drm_lock_data *lock_data) { unsigned int old, prev; volatile unsigned int *lock = &lock_data->hw_lock->lock; + unsigned long irqflags; - spin_lock(&lock_data->spinlock); + spin_lock_irqsave(&lock_data->spinlock, irqflags); if (--lock_data->kernel_waiters == 0) { if (lock_data->idle_has_lock) { do { @@ -376,7 +381,7 @@ void drm_idlelock_release(struct drm_lock_data *lock_data) lock_data->idle_has_lock = 0; } } - spin_unlock(&lock_data->spinlock); + spin_unlock_irqrestore(&lock_data->spinlock, irqflags); } EXPORT_SYMBOL(drm_idlelock_release); diff --git a/drivers/char/drm/drm_pciids.h b/drivers/char/drm/drm_pciids.h index 715b361f0c2..a6a499f97e2 100644 --- a/drivers/char/drm/drm_pciids.h +++ b/drivers/char/drm/drm_pciids.h @@ -205,9 +205,9 @@ {0x1002, 0x71D6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV530|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ {0x1002, 0x71DA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV530|RADEON_NEW_MEMMAP}, \ {0x1002, 0x71DE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV530|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ - {0x1002, 0x7200, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV530|RADEON_NEW_MEMMAP}, \ - {0x1002, 0x7210, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV530|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ - {0x1002, 0x7211, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV530|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x7200, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV515|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x7210, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV515|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x7211, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV515|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ {0x1002, 0x7240, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R580|RADEON_NEW_MEMMAP}, \ {0x1002, 0x7243, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R580|RADEON_NEW_MEMMAP}, \ {0x1002, 0x7244, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R580|RADEON_NEW_MEMMAP}, \ @@ -238,6 +238,7 @@ {0x1002, 0x7834, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS300|RADEON_IS_IGP|RADEON_NEW_MEMMAP}, \ {0x1002, 0x7835, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS300|RADEON_IS_IGP|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ {0x1002, 0x791e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS690|RADEON_IS_IGP|RADEON_NEW_MEMMAP|RADEON_IS_IGPGART}, \ + {0x1002, 0x791f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS690|RADEON_IS_IGP|RADEON_NEW_MEMMAP|RADEON_IS_IGPGART}, \ {0, 0, 0} #define r128_PCI_IDS \ diff --git a/drivers/char/drm/r128_cce.c b/drivers/char/drm/r128_cce.c index 892e0a58984..f36adbd3aaf 100644 --- a/drivers/char/drm/r128_cce.c +++ b/drivers/char/drm/r128_cce.c @@ -558,6 +558,7 @@ static int r128_do_init_cce(struct drm_device * dev, drm_r128_init_t * init) #if __OS_HAS_AGP if (dev_priv->is_pci) { #endif + dev_priv->gart_info.table_mask = DMA_BIT_MASK(32); dev_priv->gart_info.gart_table_location = DRM_ATI_GART_MAIN; dev_priv->gart_info.table_size = R128_PCIGART_TABLE_SIZE; dev_priv->gart_info.addr = NULL; diff --git a/drivers/char/drm/radeon_cp.c b/drivers/char/drm/radeon_cp.c index 833abc7e55f..9072e4a1894 100644 --- a/drivers/char/drm/radeon_cp.c +++ b/drivers/char/drm/radeon_cp.c @@ -1807,6 +1807,7 @@ static int radeon_do_init_cp(struct drm_device * dev, drm_radeon_init_t * init) } else #endif { + dev_priv->gart_info.table_mask = DMA_BIT_MASK(32); /* if we have an offset set from userspace */ if (dev_priv->pcigart_offset_set) { dev_priv->gart_info.bus_addr = diff --git a/drivers/char/drm/via_dma.c b/drivers/char/drm/via_dma.c index 94baec692b5..7a339dba6a6 100644 --- a/drivers/char/drm/via_dma.c +++ b/drivers/char/drm/via_dma.c @@ -126,6 +126,8 @@ via_cmdbuf_wait(drm_via_private_t * dev_priv, unsigned int size) hw_addr, cur_addr, next_addr); return -1; } + if ((cur_addr < hw_addr) && (next_addr >= hw_addr)) + msleep(1); } while ((cur_addr < hw_addr) && (next_addr >= hw_addr)); return 0; } @@ -416,27 +418,50 @@ static int via_hook_segment(drm_via_private_t * dev_priv, int paused, count; volatile uint32_t *paused_at = dev_priv->last_pause_ptr; uint32_t reader,ptr; + uint32_t diff; paused = 0; via_flush_write_combine(); (void) *(volatile uint32_t *)(via_get_dma(dev_priv) -1); + *paused_at = pause_addr_lo; via_flush_write_combine(); (void) *paused_at; + reader = *(dev_priv->hw_addr_ptr); ptr = ((volatile char *)paused_at - dev_priv->dma_ptr) + dev_priv->dma_offset + (uint32_t) dev_priv->agpAddr + 4; + dev_priv->last_pause_ptr = via_get_dma(dev_priv) - 1; - if ((ptr - reader) <= dev_priv->dma_diff ) { - count = 10000000; - while (!(paused = (VIA_READ(0x41c) & 0x80000000)) && count--); + /* + * If there is a possibility that the command reader will + * miss the new pause address and pause on the old one, + * In that case we need to program the new start address + * using PCI. + */ + + diff = (uint32_t) (ptr - reader) - dev_priv->dma_diff; + count = 10000000; + while(diff == 0 && count--) { + paused = (VIA_READ(0x41c) & 0x80000000); + if (paused) + break; + reader = *(dev_priv->hw_addr_ptr); + diff = (uint32_t) (ptr - reader) - dev_priv->dma_diff; } + paused = VIA_READ(0x41c) & 0x80000000; + if (paused && !no_pci_fire) { reader = *(dev_priv->hw_addr_ptr); - if ((ptr - reader) == dev_priv->dma_diff) { - + diff = (uint32_t) (ptr - reader) - dev_priv->dma_diff; + diff &= (dev_priv->dma_high - 1); + if (diff != 0 && diff < (dev_priv->dma_high >> 1)) { + DRM_ERROR("Paused at incorrect address. " + "0x%08x, 0x%08x 0x%08x\n", + ptr, reader, dev_priv->dma_diff); + } else if (diff == 0) { /* * There is a concern that these writes may stall the PCI bus * if the GPU is not idle. However, idling the GPU first @@ -577,6 +602,7 @@ static void via_cmdbuf_jump(drm_via_private_t * dev_priv) uint32_t pause_addr_lo, pause_addr_hi; uint32_t jump_addr_lo, jump_addr_hi; volatile uint32_t *last_pause_ptr; + uint32_t dma_low_save1, dma_low_save2; agp_base = dev_priv->dma_offset + (uint32_t) dev_priv->agpAddr; via_align_cmd(dev_priv, HC_HAGPBpID_JUMP, 0, &jump_addr_hi, @@ -603,8 +629,29 @@ static void via_cmdbuf_jump(drm_via_private_t * dev_priv) &pause_addr_lo, 0); *last_pause_ptr = pause_addr_lo; + dma_low_save1 = dev_priv->dma_low; - via_hook_segment( dev_priv, jump_addr_hi, jump_addr_lo, 0); + /* + * Now, set a trap that will pause the regulator if it tries to rerun the old + * command buffer. (Which may happen if via_hook_segment detecs a command regulator pause + * and reissues the jump command over PCI, while the regulator has already taken the jump + * and actually paused at the current buffer end). + * There appears to be no other way to detect this condition, since the hw_addr_pointer + * does not seem to get updated immediately when a jump occurs. + */ + + last_pause_ptr = + via_align_cmd(dev_priv, HC_HAGPBpID_PAUSE, 0, &pause_addr_hi, + &pause_addr_lo, 0) - 1; + via_align_cmd(dev_priv, HC_HAGPBpID_PAUSE, 0, &pause_addr_hi, + &pause_addr_lo, 0); + *last_pause_ptr = pause_addr_lo; + + dma_low_save2 = dev_priv->dma_low; + dev_priv->dma_low = dma_low_save1; + via_hook_segment(dev_priv, jump_addr_hi, jump_addr_lo, 0); + dev_priv->dma_low = dma_low_save2; + via_hook_segment(dev_priv, pause_addr_hi, pause_addr_lo, 0); } diff --git a/drivers/char/drm/via_dmablit.c b/drivers/char/drm/via_dmablit.c index 33c5197b73c..409e00afdd0 100644 --- a/drivers/char/drm/via_dmablit.c +++ b/drivers/char/drm/via_dmablit.c @@ -603,7 +603,7 @@ via_build_sg_info(struct drm_device *dev, drm_via_sg_info_t *vsg, drm_via_dmabli * (Not a big limitation anyway.) */ - if ((xfer->mem_stride - xfer->line_length) >= PAGE_SIZE) { + if ((xfer->mem_stride - xfer->line_length) > 2*PAGE_SIZE) { DRM_ERROR("Too large system memory stride. Stride: %d, " "Length: %d\n", xfer->mem_stride, xfer->line_length); return -EINVAL; diff --git a/drivers/char/esp.c b/drivers/char/esp.c index c01e26d9ee5..f3fe6206734 100644 --- a/drivers/char/esp.c +++ b/drivers/char/esp.c @@ -2484,6 +2484,7 @@ static int __init espserial_init(void) return 0; } + spin_lock_init(&info->lock); /* rx_trigger, tx_trigger are needed by autoconfig */ info->config.rx_trigger = rx_trigger; info->config.tx_trigger = tx_trigger; diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig index 6bbd4fa50f3..8d6c2089d2a 100644 --- a/drivers/char/hw_random/Kconfig +++ b/drivers/char/hw_random/Kconfig @@ -9,7 +9,14 @@ config HW_RANDOM Hardware Random Number Generator Core infrastructure. To compile this driver as a module, choose M here: the - module will be called rng-core. + module will be called rng-core. This provides a device + that's usually called /dev/hw_random, and which exposes one + of possibly several hardware random number generators. + + These hardware random number generators do not feed directly + into the kernel's random number generator. That is usually + handled by the "rngd" daemon. Documentation/hw_random.txt + has more information. If unsure, say Y. diff --git a/drivers/char/isicom.c b/drivers/char/isicom.c index 85d596a3c18..eba2883b630 100644 --- a/drivers/char/isicom.c +++ b/drivers/char/isicom.c @@ -1527,7 +1527,7 @@ static int __devinit reset_card(struct pci_dev *pdev, msleep(10); portcount = inw(base + 0x2); - if (!inw(base + 0xe) & 0x1 || (portcount != 0 && portcount != 4 && + if (!(inw(base + 0xe) & 0x1) || (portcount != 0 && portcount != 4 && portcount != 8 && portcount != 16)) { dev_err(&pdev->dev, "ISILoad:PCI Card%d reset failure.\n", card + 1); diff --git a/drivers/char/nozomi.c b/drivers/char/nozomi.c index dfaab2322de..6d0dc5f9b6b 100644 --- a/drivers/char/nozomi.c +++ b/drivers/char/nozomi.c @@ -190,6 +190,14 @@ enum card_type { F32_8 = 8192, /* 3072 bytes downl. + 1024 bytes uplink * 2 -> 8192 */ }; +/* Initialization states a card can be in */ +enum card_state { + NOZOMI_STATE_UKNOWN = 0, + NOZOMI_STATE_ENABLED = 1, /* pci device enabled */ + NOZOMI_STATE_ALLOCATED = 2, /* config setup done */ + NOZOMI_STATE_READY = 3, /* flowcontrols received */ +}; + /* Two different toggle channels exist */ enum channel_type { CH_A = 0, @@ -385,6 +393,7 @@ struct nozomi { spinlock_t spin_mutex; /* secures access to registers and tty */ unsigned int index_start; + enum card_state state; u32 open_ttys; }; @@ -686,6 +695,7 @@ static int nozomi_read_config_table(struct nozomi *dc) dc->last_ier = dc->last_ier | CTRL_DL; writew(dc->last_ier, dc->reg_ier); + dc->state = NOZOMI_STATE_ALLOCATED; dev_info(&dc->pdev->dev, "Initialization OK!\n"); return 1; } @@ -944,6 +954,14 @@ static int receive_flow_control(struct nozomi *dc) case CTRL_APP2: port = PORT_APP2; enable_ier = APP2_DL; + if (dc->state == NOZOMI_STATE_ALLOCATED) { + /* + * After card initialization the flow control + * received for APP2 is always the last + */ + dc->state = NOZOMI_STATE_READY; + dev_info(&dc->pdev->dev, "Device READY!\n"); + } break; default: dev_err(&dc->pdev->dev, @@ -1366,22 +1384,12 @@ static int __devinit nozomi_card_init(struct pci_dev *pdev, dc->pdev = pdev; - /* Find out what card type it is */ - nozomi_get_card_type(dc); - ret = pci_enable_device(dc->pdev); if (ret) { dev_err(&pdev->dev, "Failed to enable PCI Device\n"); goto err_free; } - start = pci_resource_start(dc->pdev, 0); - if (start == 0) { - dev_err(&pdev->dev, "No I/O address for card detected\n"); - ret = -ENODEV; - goto err_disable_device; - } - ret = pci_request_regions(dc->pdev, NOZOMI_NAME); if (ret) { dev_err(&pdev->dev, "I/O address 0x%04x already in use\n", @@ -1389,6 +1397,16 @@ static int __devinit nozomi_card_init(struct pci_dev *pdev, goto err_disable_device; } + start = pci_resource_start(dc->pdev, 0); + if (start == 0) { + dev_err(&pdev->dev, "No I/O address for card detected\n"); + ret = -ENODEV; + goto err_rel_regs; + } + + /* Find out what card type it is */ + nozomi_get_card_type(dc); + dc->base_addr = ioremap(start, dc->card_type); if (!dc->base_addr) { dev_err(&pdev->dev, "Unable to map card MMIO\n"); @@ -1425,6 +1443,14 @@ static int __devinit nozomi_card_init(struct pci_dev *pdev, dc->index_start = ndev_idx * MAX_PORT; ndevs[ndev_idx] = dc; + pci_set_drvdata(pdev, dc); + + /* Enable RESET interrupt */ + dc->last_ier = RESET; + iowrite16(dc->last_ier, dc->reg_ier); + + dc->state = NOZOMI_STATE_ENABLED; + for (i = 0; i < MAX_PORT; i++) { mutex_init(&dc->port[i].tty_sem); dc->port[i].tty_open_count = 0; @@ -1433,12 +1459,6 @@ static int __devinit nozomi_card_init(struct pci_dev *pdev, &pdev->dev); } - /* Enable RESET interrupt. */ - dc->last_ier = RESET; - writew(dc->last_ier, dc->reg_ier); - - pci_set_drvdata(pdev, dc); - return 0; err_free_sbuf: @@ -1553,7 +1573,7 @@ static int ntty_open(struct tty_struct *tty, struct file *file) struct nozomi *dc = get_dc_by_tty(tty); unsigned long flags; - if (!port || !dc) + if (!port || !dc || dc->state != NOZOMI_STATE_READY) return -ENODEV; if (mutex_lock_interruptible(&port->tty_sem)) @@ -1716,6 +1736,10 @@ static int ntty_tiocmget(struct tty_struct *tty, struct file *file) static int ntty_tiocmset(struct tty_struct *tty, struct file *file, unsigned int set, unsigned int clear) { + struct nozomi *dc = get_dc_by_tty(tty); + unsigned long flags; + + spin_lock_irqsave(&dc->spin_mutex, flags); if (set & TIOCM_RTS) set_rts(tty, 1); else if (clear & TIOCM_RTS) @@ -1725,6 +1749,7 @@ static int ntty_tiocmset(struct tty_struct *tty, struct file *file, set_dtr(tty, 1); else if (clear & TIOCM_DTR) set_dtr(tty, 0); + spin_unlock_irqrestore(&dc->spin_mutex, flags); return 0; } @@ -1762,7 +1787,7 @@ static int ntty_ioctl_tiocgicount(struct port *port, void __user *argp) icount.brk = cnow.brk; icount.buf_overrun = cnow.buf_overrun; - return copy_to_user(argp, &icount, sizeof(icount)); + return copy_to_user(argp, &icount, sizeof(icount)) ? -EFAULT : 0; } static int ntty_ioctl(struct tty_struct *tty, struct file *file, diff --git a/drivers/char/pcmcia/ipwireless/network.c b/drivers/char/pcmcia/ipwireless/network.c index ff35230058d..d793e68b3e0 100644 --- a/drivers/char/pcmcia/ipwireless/network.c +++ b/drivers/char/pcmcia/ipwireless/network.c @@ -377,13 +377,16 @@ void ipwireless_network_packet_received(struct ipw_network *network, for (i = 0; i < MAX_ASSOCIATED_TTYS; i++) { struct ipw_tty *tty = network->associated_ttys[channel_idx][i]; + if (!tty) + continue; + /* * If it's associated with a tty (other than the RAS channel * when we're online), then send the data to that tty. The RAS * channel's data is handled above - it always goes through * ppp_generic. */ - if (tty && channel_idx == IPW_CHANNEL_RAS + if (channel_idx == IPW_CHANNEL_RAS && (network->ras_control_lines & IPW_CONTROL_LINE_DCD) != 0 && ipwireless_tty_is_modem(tty)) { diff --git a/drivers/char/riscom8.c b/drivers/char/riscom8.c index 8fc4fe4e38f..3f9d0a9ac36 100644 --- a/drivers/char/riscom8.c +++ b/drivers/char/riscom8.c @@ -1620,14 +1620,8 @@ static int __init rc_init_drivers(void) static void rc_release_drivers(void) { - unsigned long flags; - - spin_lock_irqsave(&riscom_lock, flags); - tty_unregister_driver(riscom_driver); put_tty_driver(riscom_driver); - - spin_unlock_irqrestore(&riscom_lock, flags); } #ifndef MODULE @@ -1715,7 +1709,7 @@ static int __init riscom8_init_module (void) if (iobase || iobase1 || iobase2 || iobase3) { for(i = 0; i < RC_NBOARD; i++) - rc_board[0].base = 0; + rc_board[i].base = 0; } if (iobase) diff --git a/drivers/char/rocket.c b/drivers/char/rocket.c index 72f289279d8..f585bc8579e 100644 --- a/drivers/char/rocket.c +++ b/drivers/char/rocket.c @@ -83,6 +83,7 @@ #include <linux/pci.h> #include <asm/uaccess.h> #include <asm/atomic.h> +#include <asm/unaligned.h> #include <linux/bitops.h> #include <linux/spinlock.h> #include <linux/init.h> @@ -1312,7 +1313,7 @@ static int rp_tiocmset(struct tty_struct *tty, struct file *file, if (clear & TIOCM_DTR) info->channel.TxControl[3] &= ~SET_DTR; - sOutDW(info->channel.IndexAddr, *(DWord_t *) & (info->channel.TxControl[0])); + out32(info->channel.IndexAddr, info->channel.TxControl); return 0; } @@ -1748,7 +1749,7 @@ static int rp_write(struct tty_struct *tty, /* Write remaining data into the port's xmit_buf */ while (1) { - if (info->tty == 0) /* Seemingly obligatory check... */ + if (!info->tty) /* Seemingly obligatory check... */ goto end; c = min(count, min(XMIT_BUF_SIZE - info->xmit_cnt - 1, XMIT_BUF_SIZE - info->xmit_head)); @@ -2798,7 +2799,7 @@ static int sReadAiopNumChan(WordIO_t io) static Byte_t R[4] = { 0x00, 0x00, 0x34, 0x12 }; /* write to chan 0 SRAM */ - sOutDW((DWordIO_t) io + _INDX_ADDR, *((DWord_t *) & R[0])); + out32((DWordIO_t) io + _INDX_ADDR, R); sOutW(io + _INDX_ADDR, 0); /* read from SRAM, chan 0 */ x = sInW(io + _INDX_DATA); sOutW(io + _INDX_ADDR, 0x4000); /* read from SRAM, chan 4 */ @@ -2864,7 +2865,7 @@ static int sInitChan(CONTROLLER_T * CtlP, CHANNEL_T * ChP, int AiopNum, R[1] = RData[i + 1] + 0x10 * ChanNum; R[2] = RData[i + 2]; R[3] = RData[i + 3]; - sOutDW(ChP->IndexAddr, *((DWord_t *) & R[0])); + out32(ChP->IndexAddr, R); } ChR = ChP->R; @@ -2887,43 +2888,43 @@ static int sInitChan(CONTROLLER_T * CtlP, CHANNEL_T * ChP, int AiopNum, ChP->BaudDiv[1] = (Byte_t) ((ChOff + _BAUD) >> 8); ChP->BaudDiv[2] = (Byte_t) brd9600; ChP->BaudDiv[3] = (Byte_t) (brd9600 >> 8); - sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->BaudDiv[0]); + out32(ChP->IndexAddr, ChP->BaudDiv); ChP->TxControl[0] = (Byte_t) (ChOff + _TX_CTRL); ChP->TxControl[1] = (Byte_t) ((ChOff + _TX_CTRL) >> 8); ChP->TxControl[2] = 0; ChP->TxControl[3] = 0; - sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->TxControl[0]); + out32(ChP->IndexAddr, ChP->TxControl); ChP->RxControl[0] = (Byte_t) (ChOff + _RX_CTRL); ChP->RxControl[1] = (Byte_t) ((ChOff + _RX_CTRL) >> 8); ChP->RxControl[2] = 0; ChP->RxControl[3] = 0; - sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->RxControl[0]); + out32(ChP->IndexAddr, ChP->RxControl); ChP->TxEnables[0] = (Byte_t) (ChOff + _TX_ENBLS); ChP->TxEnables[1] = (Byte_t) ((ChOff + _TX_ENBLS) >> 8); ChP->TxEnables[2] = 0; ChP->TxEnables[3] = 0; - sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->TxEnables[0]); + out32(ChP->IndexAddr, ChP->TxEnables); ChP->TxCompare[0] = (Byte_t) (ChOff + _TXCMP1); ChP->TxCompare[1] = (Byte_t) ((ChOff + _TXCMP1) >> 8); ChP->TxCompare[2] = 0; ChP->TxCompare[3] = 0; - sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->TxCompare[0]); + out32(ChP->IndexAddr, ChP->TxCompare); ChP->TxReplace1[0] = (Byte_t) (ChOff + _TXREP1B1); ChP->TxReplace1[1] = (Byte_t) ((ChOff + _TXREP1B1) >> 8); ChP->TxReplace1[2] = 0; ChP->TxReplace1[3] = 0; - sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->TxReplace1[0]); + out32(ChP->IndexAddr, ChP->TxReplace1); ChP->TxReplace2[0] = (Byte_t) (ChOff + _TXREP2); ChP->TxReplace2[1] = (Byte_t) ((ChOff + _TXREP2) >> 8); ChP->TxReplace2[2] = 0; ChP->TxReplace2[3] = 0; - sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->TxReplace2[0]); + out32(ChP->IndexAddr, ChP->TxReplace2); ChP->TxFIFOPtrs = ChOff + _TXF_OUTP; ChP->TxFIFO = ChOff + _TX_FIFO; @@ -2979,7 +2980,7 @@ static void sStopRxProcessor(CHANNEL_T * ChP) R[1] = ChP->R[1]; R[2] = 0x0a; R[3] = ChP->R[3]; - sOutDW(ChP->IndexAddr, *(DWord_t *) & R[0]); + out32(ChP->IndexAddr, R); } /*************************************************************************** @@ -3094,13 +3095,13 @@ static int sWriteTxPrioByte(CHANNEL_T * ChP, Byte_t Data) *WordPtr = ChP->TxPrioBuf; /* data byte address */ DWBuf[2] = Data; /* data byte value */ - sOutDW(IndexAddr, *((DWord_t *) (&DWBuf[0]))); /* write it out */ + out32(IndexAddr, DWBuf); /* write it out */ *WordPtr = ChP->TxPrioCnt; /* Tx priority count address */ DWBuf[2] = PRI_PEND + 1; /* indicate 1 byte pending */ DWBuf[3] = 0; /* priority buffer pointer */ - sOutDW(IndexAddr, *((DWord_t *) (&DWBuf[0]))); /* write it out */ + out32(IndexAddr, DWBuf); /* write it out */ } else { /* write it to Tx FIFO */ sWriteTxByte(sGetTxRxDataIO(ChP), Data); @@ -3147,11 +3148,11 @@ static void sEnInterrupts(CHANNEL_T * ChP, Word_t Flags) ChP->RxControl[2] |= ((Byte_t) Flags & (RXINT_EN | SRCINT_EN | MCINT_EN)); - sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->RxControl[0]); + out32(ChP->IndexAddr, ChP->RxControl); ChP->TxControl[2] |= ((Byte_t) Flags & TXINT_EN); - sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->TxControl[0]); + out32(ChP->IndexAddr, ChP->TxControl); if (Flags & CHANINT_EN) { Mask = sInB(ChP->IntMask) | sBitMapSetTbl[ChP->ChanNum]; @@ -3190,9 +3191,9 @@ static void sDisInterrupts(CHANNEL_T * ChP, Word_t Flags) ChP->RxControl[2] &= ~((Byte_t) Flags & (RXINT_EN | SRCINT_EN | MCINT_EN)); - sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->RxControl[0]); + out32(ChP->IndexAddr, ChP->RxControl); ChP->TxControl[2] &= ~((Byte_t) Flags & TXINT_EN); - sOutDW(ChP->IndexAddr, *(DWord_t *) & ChP->TxControl[0]); + out32(ChP->IndexAddr, ChP->TxControl); if (Flags & CHANINT_EN) { Mask = sInB(ChP->IntMask) & sBitMapClrTbl[ChP->ChanNum]; diff --git a/drivers/char/rocket_int.h b/drivers/char/rocket_int.h index f3a75791b81..b01d38125a8 100644 --- a/drivers/char/rocket_int.h +++ b/drivers/char/rocket_int.h @@ -26,7 +26,6 @@ typedef unsigned int ByteIO_t; typedef unsigned int Word_t; typedef unsigned int WordIO_t; -typedef unsigned long DWord_t; typedef unsigned int DWordIO_t; /* @@ -38,7 +37,6 @@ typedef unsigned int DWordIO_t; * instruction. */ -#ifdef ROCKET_DEBUG_IO static inline void sOutB(unsigned short port, unsigned char value) { #ifdef ROCKET_DEBUG_IO @@ -55,12 +53,13 @@ static inline void sOutW(unsigned short port, unsigned short value) outw_p(value, port); } -static inline void sOutDW(unsigned short port, unsigned long value) +static inline void out32(unsigned short port, Byte_t *p) { + u32 value = le32_to_cpu(get_unaligned((__le32 *)p)); #ifdef ROCKET_DEBUG_IO - printk(KERN_DEBUG "sOutDW(%x, %lx)...\n", port, value); + printk(KERN_DEBUG "out32(%x, %lx)...\n", port, value); #endif - outl_p(cpu_to_le32(value), port); + outl_p(value, port); } static inline unsigned char sInB(unsigned short port) @@ -73,14 +72,6 @@ static inline unsigned short sInW(unsigned short port) return inw_p(port); } -#else /* !ROCKET_DEBUG_IO */ -#define sOutB(a, b) outb_p(b, a) -#define sOutW(a, b) outw_p(b, a) -#define sOutDW(port, value) outl_p(cpu_to_le32(value), port) -#define sInB(a) (inb_p(a)) -#define sInW(a) (inw_p(a)) -#endif /* ROCKET_DEBUG_IO */ - /* This is used to move arrays of bytes so byte swapping isn't appropriate. */ #define sOutStrW(port, addr, count) if (count) outsw(port, addr, count) #define sInStrW(port, addr, count) if (count) insw(port, addr, count) @@ -390,7 +381,7 @@ Call: sClrBreak(ChP) #define sClrBreak(ChP) \ do { \ (ChP)->TxControl[3] &= ~SETBREAK; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** @@ -402,7 +393,7 @@ Call: sClrDTR(ChP) #define sClrDTR(ChP) \ do { \ (ChP)->TxControl[3] &= ~SET_DTR; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** @@ -415,7 +406,7 @@ Call: sClrRTS(ChP) do { \ if ((ChP)->rtsToggle) break; \ (ChP)->TxControl[3] &= ~SET_RTS; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** @@ -489,7 +480,7 @@ Call: sDisCTSFlowCtl(ChP) #define sDisCTSFlowCtl(ChP) \ do { \ (ChP)->TxControl[2] &= ~CTSFC_EN; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** @@ -501,7 +492,7 @@ Call: sDisIXANY(ChP) #define sDisIXANY(ChP) \ do { \ (ChP)->R[0x0e] = 0x86; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0x0c]); \ + out32((ChP)->IndexAddr,&(ChP)->R[0x0c]); \ } while (0) /*************************************************************************** @@ -515,7 +506,7 @@ Comments: Function sSetParity() can be used in place of functions sEnParity(), #define sDisParity(ChP) \ do { \ (ChP)->TxControl[2] &= ~PARITY_EN; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** @@ -527,7 +518,7 @@ Call: sDisRTSToggle(ChP) #define sDisRTSToggle(ChP) \ do { \ (ChP)->TxControl[2] &= ~RTSTOG_EN; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->TxControl); \ (ChP)->rtsToggle = 0; \ } while (0) @@ -540,7 +531,7 @@ Call: sDisRxFIFO(ChP) #define sDisRxFIFO(ChP) \ do { \ (ChP)->R[0x32] = 0x0a; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0x30]); \ + out32((ChP)->IndexAddr,&(ChP)->R[0x30]); \ } while (0) /*************************************************************************** @@ -567,7 +558,7 @@ Call: sDisTransmit(ChP) #define sDisTransmit(ChP) \ do { \ (ChP)->TxControl[3] &= ~TX_ENABLE; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** @@ -579,7 +570,7 @@ Call: sDisTxSoftFlowCtl(ChP) #define sDisTxSoftFlowCtl(ChP) \ do { \ (ChP)->R[0x06] = 0x8a; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0x04]); \ + out32((ChP)->IndexAddr,&(ChP)->R[0x04]); \ } while (0) /*************************************************************************** @@ -604,7 +595,7 @@ Call: sEnCTSFlowCtl(ChP) #define sEnCTSFlowCtl(ChP) \ do { \ (ChP)->TxControl[2] |= CTSFC_EN; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** @@ -616,7 +607,7 @@ Call: sEnIXANY(ChP) #define sEnIXANY(ChP) \ do { \ (ChP)->R[0x0e] = 0x21; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0x0c]); \ + out32((ChP)->IndexAddr,&(ChP)->R[0x0c]); \ } while (0) /*************************************************************************** @@ -633,7 +624,7 @@ Warnings: Before enabling parity odd or even parity should be chosen using #define sEnParity(ChP) \ do { \ (ChP)->TxControl[2] |= PARITY_EN; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** @@ -647,10 +638,10 @@ Comments: This function will disable RTS flow control and clear the RTS #define sEnRTSToggle(ChP) \ do { \ (ChP)->RxControl[2] &= ~RTSFC_EN; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->RxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->RxControl); \ (ChP)->TxControl[2] |= RTSTOG_EN; \ (ChP)->TxControl[3] &= ~SET_RTS; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->TxControl); \ (ChP)->rtsToggle = 1; \ } while (0) @@ -663,7 +654,7 @@ Call: sEnRxFIFO(ChP) #define sEnRxFIFO(ChP) \ do { \ (ChP)->R[0x32] = 0x08; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0x30]); \ + out32((ChP)->IndexAddr,&(ChP)->R[0x30]); \ } while (0) /*************************************************************************** @@ -684,7 +675,7 @@ Warnings: This function must be called after valid microcode has been #define sEnRxProcessor(ChP) \ do { \ (ChP)->RxControl[2] |= RXPROC_EN; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->RxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->RxControl); \ } while (0) /*************************************************************************** @@ -708,7 +699,7 @@ Call: sEnTransmit(ChP) #define sEnTransmit(ChP) \ do { \ (ChP)->TxControl[3] |= TX_ENABLE; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** @@ -720,7 +711,7 @@ Call: sEnTxSoftFlowCtl(ChP) #define sEnTxSoftFlowCtl(ChP) \ do { \ (ChP)->R[0x06] = 0xc5; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0x04]); \ + out32((ChP)->IndexAddr,&(ChP)->R[0x04]); \ } while (0) /*************************************************************************** @@ -927,7 +918,7 @@ Call: sSendBreak(ChP) #define sSendBreak(ChP) \ do { \ (ChP)->TxControl[3] |= SETBREAK; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** @@ -941,7 +932,7 @@ Call: sSetBaud(ChP,Divisor) do { \ (ChP)->BaudDiv[2] = (Byte_t)(DIVISOR); \ (ChP)->BaudDiv[3] = (Byte_t)((DIVISOR) >> 8); \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->BaudDiv[0]); \ + out32((ChP)->IndexAddr,(ChP)->BaudDiv); \ } while (0) /*************************************************************************** @@ -953,7 +944,7 @@ Call: sSetData7(ChP) #define sSetData7(ChP) \ do { \ (ChP)->TxControl[2] &= ~DATA8BIT; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** @@ -965,7 +956,7 @@ Call: sSetData8(ChP) #define sSetData8(ChP) \ do { \ (ChP)->TxControl[2] |= DATA8BIT; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** @@ -977,7 +968,7 @@ Call: sSetDTR(ChP) #define sSetDTR(ChP) \ do { \ (ChP)->TxControl[3] |= SET_DTR; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** @@ -994,7 +985,7 @@ Warnings: This function has no effect unless parity is enabled with function #define sSetEvenParity(ChP) \ do { \ (ChP)->TxControl[2] |= EVEN_PAR; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** @@ -1011,7 +1002,7 @@ Warnings: This function has no effect unless parity is enabled with function #define sSetOddParity(ChP) \ do { \ (ChP)->TxControl[2] &= ~EVEN_PAR; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** @@ -1024,7 +1015,7 @@ Call: sSetRTS(ChP) do { \ if ((ChP)->rtsToggle) break; \ (ChP)->TxControl[3] |= SET_RTS; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** @@ -1050,7 +1041,7 @@ Comments: An interrupt will be generated when the trigger level is reached do { \ (ChP)->RxControl[2] &= ~TRIG_MASK; \ (ChP)->RxControl[2] |= LEVEL; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->RxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->RxControl); \ } while (0) /*************************************************************************** @@ -1062,7 +1053,7 @@ Call: sSetStop1(ChP) #define sSetStop1(ChP) \ do { \ (ChP)->TxControl[2] &= ~STOP2; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** @@ -1074,7 +1065,7 @@ Call: sSetStop2(ChP) #define sSetStop2(ChP) \ do { \ (ChP)->TxControl[2] |= STOP2; \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \ + out32((ChP)->IndexAddr,(ChP)->TxControl); \ } while (0) /*************************************************************************** @@ -1087,7 +1078,7 @@ Call: sSetTxXOFFChar(ChP,Ch) #define sSetTxXOFFChar(ChP,CH) \ do { \ (ChP)->R[0x07] = (CH); \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0x04]); \ + out32((ChP)->IndexAddr,&(ChP)->R[0x04]); \ } while (0) /*************************************************************************** @@ -1100,7 +1091,7 @@ Call: sSetTxXONChar(ChP,Ch) #define sSetTxXONChar(ChP,CH) \ do { \ (ChP)->R[0x0b] = (CH); \ - sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0x08]); \ + out32((ChP)->IndexAddr,&(ChP)->R[0x08]); \ } while (0) /*************************************************************************** @@ -1113,7 +1104,7 @@ Comments: This function is used to start a Rx processor after it was will restart both the Rx processor and software input flow control. */ -#define sStartRxProcessor(ChP) sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0]) +#define sStartRxProcessor(ChP) out32((ChP)->IndexAddr,&(ChP)->R[0]) /*************************************************************************** Function: sWriteTxByte diff --git a/drivers/char/specialix.c b/drivers/char/specialix.c index c0e08c7bca2..5ff83df67b4 100644 --- a/drivers/char/specialix.c +++ b/drivers/char/specialix.c @@ -2109,7 +2109,6 @@ static void sx_throttle(struct tty_struct * tty) sx_out(bp, CD186x_CAR, port_No(port)); spin_unlock_irqrestore(&bp->lock, flags); if (I_IXOFF(tty)) { - spin_unlock_irqrestore(&bp->lock, flags); sx_wait_CCR(bp); spin_lock_irqsave(&bp->lock, flags); sx_out(bp, CD186x_CCR, CCR_SSCH2); diff --git a/drivers/char/vt.c b/drivers/char/vt.c index 367be917506..9b58b894f82 100644 --- a/drivers/char/vt.c +++ b/drivers/char/vt.c @@ -702,6 +702,7 @@ void redraw_screen(struct vc_data *vc, int is_switch) if (is_switch) { set_leds(); compute_shiftstate(); + notify_update(vc); } } diff --git a/drivers/char/xilinx_hwicap/buffer_icap.c b/drivers/char/xilinx_hwicap/buffer_icap.c index dfea2bde162..f577daedb63 100644 --- a/drivers/char/xilinx_hwicap/buffer_icap.c +++ b/drivers/char/xilinx_hwicap/buffer_icap.c @@ -73,8 +73,8 @@ #define XHI_BUFFER_START 0 /** - * buffer_icap_get_status: Get the contents of the status register. - * @parameter base_address: is the base address of the device + * buffer_icap_get_status - Get the contents of the status register. + * @base_address: is the base address of the device * * The status register contains the ICAP status and the done bit. * @@ -94,9 +94,9 @@ static inline u32 buffer_icap_get_status(void __iomem *base_address) } /** - * buffer_icap_get_bram: Reads data from the storage buffer bram. - * @parameter base_address: contains the base address of the component. - * @parameter offset: The word offset from which the data should be read. + * buffer_icap_get_bram - Reads data from the storage buffer bram. + * @base_address: contains the base address of the component. + * @offset: The word offset from which the data should be read. * * A bram is used as a configuration memory cache. One frame of data can * be stored in this "storage buffer". @@ -108,8 +108,8 @@ static inline u32 buffer_icap_get_bram(void __iomem *base_address, } /** - * buffer_icap_busy: Return true if the icap device is busy - * @parameter base_address: is the base address of the device + * buffer_icap_busy - Return true if the icap device is busy + * @base_address: is the base address of the device * * The queries the low order bit of the status register, which * indicates whether the current configuration or readback operation @@ -121,8 +121,8 @@ static inline bool buffer_icap_busy(void __iomem *base_address) } /** - * buffer_icap_busy: Return true if the icap device is not busy - * @parameter base_address: is the base address of the device + * buffer_icap_busy - Return true if the icap device is not busy + * @base_address: is the base address of the device * * The queries the low order bit of the status register, which * indicates whether the current configuration or readback operation @@ -134,9 +134,9 @@ static inline bool buffer_icap_done(void __iomem *base_address) } /** - * buffer_icap_set_size: Set the size register. - * @parameter base_address: is the base address of the device - * @parameter data: The size in bytes. + * buffer_icap_set_size - Set the size register. + * @base_address: is the base address of the device + * @data: The size in bytes. * * The size register holds the number of 8 bit bytes to transfer between * bram and the icap (or icap to bram). @@ -148,9 +148,9 @@ static inline void buffer_icap_set_size(void __iomem *base_address, } /** - * buffer_icap_mSetoffsetReg: Set the bram offset register. - * @parameter base_address: contains the base address of the device. - * @parameter data: is the value to be written to the data register. + * buffer_icap_set_offset - Set the bram offset register. + * @base_address: contains the base address of the device. + * @data: is the value to be written to the data register. * * The bram offset register holds the starting bram address to transfer * data from during configuration or write data to during readback. @@ -162,9 +162,9 @@ static inline void buffer_icap_set_offset(void __iomem *base_address, } /** - * buffer_icap_set_rnc: Set the RNC (Readback not Configure) register. - * @parameter base_address: contains the base address of the device. - * @parameter data: is the value to be written to the data register. + * buffer_icap_set_rnc - Set the RNC (Readback not Configure) register. + * @base_address: contains the base address of the device. + * @data: is the value to be written to the data register. * * The RNC register determines the direction of the data transfer. It * controls whether a configuration or readback take place. Writing to @@ -178,10 +178,10 @@ static inline void buffer_icap_set_rnc(void __iomem *base_address, } /** - * buffer_icap_set_bram: Write data to the storage buffer bram. - * @parameter base_address: contains the base address of the component. - * @parameter offset: The word offset at which the data should be written. - * @parameter data: The value to be written to the bram offset. + * buffer_icap_set_bram - Write data to the storage buffer bram. + * @base_address: contains the base address of the component. + * @offset: The word offset at which the data should be written. + * @data: The value to be written to the bram offset. * * A bram is used as a configuration memory cache. One frame of data can * be stored in this "storage buffer". @@ -193,10 +193,10 @@ static inline void buffer_icap_set_bram(void __iomem *base_address, } /** - * buffer_icap_device_read: Transfer bytes from ICAP to the storage buffer. - * @parameter drvdata: a pointer to the drvdata. - * @parameter offset: The storage buffer start address. - * @parameter count: The number of words (32 bit) to read from the + * buffer_icap_device_read - Transfer bytes from ICAP to the storage buffer. + * @drvdata: a pointer to the drvdata. + * @offset: The storage buffer start address. + * @count: The number of words (32 bit) to read from the * device (ICAP). **/ static int buffer_icap_device_read(struct hwicap_drvdata *drvdata, @@ -227,10 +227,10 @@ static int buffer_icap_device_read(struct hwicap_drvdata *drvdata, }; /** - * buffer_icap_device_write: Transfer bytes from ICAP to the storage buffer. - * @parameter drvdata: a pointer to the drvdata. - * @parameter offset: The storage buffer start address. - * @parameter count: The number of words (32 bit) to read from the + * buffer_icap_device_write - Transfer bytes from ICAP to the storage buffer. + * @drvdata: a pointer to the drvdata. + * @offset: The storage buffer start address. + * @count: The number of words (32 bit) to read from the * device (ICAP). **/ static int buffer_icap_device_write(struct hwicap_drvdata *drvdata, @@ -261,8 +261,8 @@ static int buffer_icap_device_write(struct hwicap_drvdata *drvdata, }; /** - * buffer_icap_reset: Reset the logic of the icap device. - * @parameter drvdata: a pointer to the drvdata. + * buffer_icap_reset - Reset the logic of the icap device. + * @drvdata: a pointer to the drvdata. * * Writing to the status register resets the ICAP logic in an internal * version of the core. For the version of the core published in EDK, @@ -274,10 +274,10 @@ void buffer_icap_reset(struct hwicap_drvdata *drvdata) } /** - * buffer_icap_set_configuration: Load a partial bitstream from system memory. - * @parameter drvdata: a pointer to the drvdata. - * @parameter data: Kernel address of the partial bitstream. - * @parameter size: the size of the partial bitstream in 32 bit words. + * buffer_icap_set_configuration - Load a partial bitstream from system memory. + * @drvdata: a pointer to the drvdata. + * @data: Kernel address of the partial bitstream. + * @size: the size of the partial bitstream in 32 bit words. **/ int buffer_icap_set_configuration(struct hwicap_drvdata *drvdata, u32 *data, u32 size) @@ -333,10 +333,10 @@ int buffer_icap_set_configuration(struct hwicap_drvdata *drvdata, u32 *data, }; /** - * buffer_icap_get_configuration: Read configuration data from the device. - * @parameter drvdata: a pointer to the drvdata. - * @parameter data: Address of the data representing the partial bitstream - * @parameter size: the size of the partial bitstream in 32 bit words. + * buffer_icap_get_configuration - Read configuration data from the device. + * @drvdata: a pointer to the drvdata. + * @data: Address of the data representing the partial bitstream + * @size: the size of the partial bitstream in 32 bit words. **/ int buffer_icap_get_configuration(struct hwicap_drvdata *drvdata, u32 *data, u32 size) diff --git a/drivers/char/xilinx_hwicap/fifo_icap.c b/drivers/char/xilinx_hwicap/fifo_icap.c index 0988314694a..6f45dbd4712 100644 --- a/drivers/char/xilinx_hwicap/fifo_icap.c +++ b/drivers/char/xilinx_hwicap/fifo_icap.c @@ -94,9 +94,9 @@ /** - * fifo_icap_fifo_write: Write data to the write FIFO. - * @parameter drvdata: a pointer to the drvdata. - * @parameter data: the 32-bit value to be written to the FIFO. + * fifo_icap_fifo_write - Write data to the write FIFO. + * @drvdata: a pointer to the drvdata. + * @data: the 32-bit value to be written to the FIFO. * * This function will silently fail if the fifo is full. **/ @@ -108,8 +108,8 @@ static inline void fifo_icap_fifo_write(struct hwicap_drvdata *drvdata, } /** - * fifo_icap_fifo_read: Read data from the Read FIFO. - * @parameter drvdata: a pointer to the drvdata. + * fifo_icap_fifo_read - Read data from the Read FIFO. + * @drvdata: a pointer to the drvdata. * * This function will silently fail if the fifo is empty. **/ @@ -121,9 +121,9 @@ static inline u32 fifo_icap_fifo_read(struct hwicap_drvdata *drvdata) } /** - * fifo_icap_set_read_size: Set the the size register. - * @parameter drvdata: a pointer to the drvdata. - * @parameter data: the size of the following read transaction, in words. + * fifo_icap_set_read_size - Set the the size register. + * @drvdata: a pointer to the drvdata. + * @data: the size of the following read transaction, in words. **/ static inline void fifo_icap_set_read_size(struct hwicap_drvdata *drvdata, u32 data) @@ -132,8 +132,8 @@ static inline void fifo_icap_set_read_size(struct hwicap_drvdata *drvdata, } /** - * fifo_icap_start_config: Initiate a configuration (write) to the device. - * @parameter drvdata: a pointer to the drvdata. + * fifo_icap_start_config - Initiate a configuration (write) to the device. + * @drvdata: a pointer to the drvdata. **/ static inline void fifo_icap_start_config(struct hwicap_drvdata *drvdata) { @@ -142,8 +142,8 @@ static inline void fifo_icap_start_config(struct hwicap_drvdata *drvdata) } /** - * fifo_icap_start_readback: Initiate a readback from the device. - * @parameter drvdata: a pointer to the drvdata. + * fifo_icap_start_readback - Initiate a readback from the device. + * @drvdata: a pointer to the drvdata. **/ static inline void fifo_icap_start_readback(struct hwicap_drvdata *drvdata) { @@ -152,8 +152,8 @@ static inline void fifo_icap_start_readback(struct hwicap_drvdata *drvdata) } /** - * fifo_icap_busy: Return true if the ICAP is still processing a transaction. - * @parameter drvdata: a pointer to the drvdata. + * fifo_icap_busy - Return true if the ICAP is still processing a transaction. + * @drvdata: a pointer to the drvdata. **/ static inline u32 fifo_icap_busy(struct hwicap_drvdata *drvdata) { @@ -163,8 +163,8 @@ static inline u32 fifo_icap_busy(struct hwicap_drvdata *drvdata) } /** - * fifo_icap_write_fifo_vacancy: Query the write fifo available space. - * @parameter drvdata: a pointer to the drvdata. + * fifo_icap_write_fifo_vacancy - Query the write fifo available space. + * @drvdata: a pointer to the drvdata. * * Return the number of words that can be safely pushed into the write fifo. **/ @@ -175,8 +175,8 @@ static inline u32 fifo_icap_write_fifo_vacancy( } /** - * fifo_icap_read_fifo_occupancy: Query the read fifo available data. - * @parameter drvdata: a pointer to the drvdata. + * fifo_icap_read_fifo_occupancy - Query the read fifo available data. + * @drvdata: a pointer to the drvdata. * * Return the number of words that can be safely read from the read fifo. **/ @@ -187,11 +187,11 @@ static inline u32 fifo_icap_read_fifo_occupancy( } /** - * fifo_icap_set_configuration: Send configuration data to the ICAP. - * @parameter drvdata: a pointer to the drvdata. - * @parameter frame_buffer: a pointer to the data to be written to the + * fifo_icap_set_configuration - Send configuration data to the ICAP. + * @drvdata: a pointer to the drvdata. + * @frame_buffer: a pointer to the data to be written to the * ICAP device. - * @parameter num_words: the number of words (32 bit) to write to the ICAP + * @num_words: the number of words (32 bit) to write to the ICAP * device. * This function writes the given user data to the Write FIFO in @@ -266,10 +266,10 @@ int fifo_icap_set_configuration(struct hwicap_drvdata *drvdata, } /** - * fifo_icap_get_configuration: Read configuration data from the device. - * @parameter drvdata: a pointer to the drvdata. - * @parameter data: Address of the data representing the partial bitstream - * @parameter size: the size of the partial bitstream in 32 bit words. + * fifo_icap_get_configuration - Read configuration data from the device. + * @drvdata: a pointer to the drvdata. + * @data: Address of the data representing the partial bitstream + * @size: the size of the partial bitstream in 32 bit words. * * This function reads the specified number of words from the ICAP device in * the polled mode. @@ -335,8 +335,8 @@ int fifo_icap_get_configuration(struct hwicap_drvdata *drvdata, } /** - * buffer_icap_reset: Reset the logic of the icap device. - * @parameter drvdata: a pointer to the drvdata. + * buffer_icap_reset - Reset the logic of the icap device. + * @drvdata: a pointer to the drvdata. * * This function forces the software reset of the complete HWICAP device. * All the registers will return to the default value and the FIFO is also @@ -360,8 +360,8 @@ void fifo_icap_reset(struct hwicap_drvdata *drvdata) } /** - * fifo_icap_flush_fifo: This function flushes the FIFOs in the device. - * @parameter drvdata: a pointer to the drvdata. + * fifo_icap_flush_fifo - This function flushes the FIFOs in the device. + * @drvdata: a pointer to the drvdata. */ void fifo_icap_flush_fifo(struct hwicap_drvdata *drvdata) { diff --git a/drivers/char/xilinx_hwicap/xilinx_hwicap.c b/drivers/char/xilinx_hwicap/xilinx_hwicap.c index 24f6aef0fd3..2284fa2a5a5 100644 --- a/drivers/char/xilinx_hwicap/xilinx_hwicap.c +++ b/drivers/char/xilinx_hwicap/xilinx_hwicap.c @@ -84,7 +84,7 @@ #include <linux/init.h> #include <linux/poll.h> #include <linux/proc_fs.h> -#include <asm/semaphore.h> +#include <linux/mutex.h> #include <linux/sysctl.h> #include <linux/version.h> #include <linux/fs.h> @@ -119,6 +119,7 @@ module_param(xhwicap_minor, int, S_IRUGO); /* An array, which is set to true when the device is registered. */ static bool probed_devices[HWICAP_DEVICES]; +static struct mutex icap_sem; static struct class *icap_class; @@ -199,14 +200,14 @@ static const struct config_registers v5_config_registers = { }; /** - * hwicap_command_desync: Send a DESYNC command to the ICAP port. - * @parameter drvdata: a pointer to the drvdata. + * hwicap_command_desync - Send a DESYNC command to the ICAP port. + * @drvdata: a pointer to the drvdata. * * This command desynchronizes the ICAP After this command, a * bitstream containing a NULL packet, followed by a SYNCH packet is * required before the ICAP will recognize commands. */ -int hwicap_command_desync(struct hwicap_drvdata *drvdata) +static int hwicap_command_desync(struct hwicap_drvdata *drvdata) { u32 buffer[4]; u32 index = 0; @@ -228,51 +229,18 @@ int hwicap_command_desync(struct hwicap_drvdata *drvdata) } /** - * hwicap_command_capture: Send a CAPTURE command to the ICAP port. - * @parameter drvdata: a pointer to the drvdata. - * - * This command captures all of the flip flop states so they will be - * available during readback. One can use this command instead of - * enabling the CAPTURE block in the design. - */ -int hwicap_command_capture(struct hwicap_drvdata *drvdata) -{ - u32 buffer[7]; - u32 index = 0; - - /* - * Create the data to be written to the ICAP. - */ - buffer[index++] = XHI_DUMMY_PACKET; - buffer[index++] = XHI_SYNC_PACKET; - buffer[index++] = XHI_NOOP_PACKET; - buffer[index++] = hwicap_type_1_write(drvdata->config_regs->CMD) | 1; - buffer[index++] = XHI_CMD_GCAPTURE; - buffer[index++] = XHI_DUMMY_PACKET; - buffer[index++] = XHI_DUMMY_PACKET; - - /* - * Write the data to the FIFO and intiate the transfer of data - * present in the FIFO to the ICAP device. - */ - return drvdata->config->set_configuration(drvdata, - &buffer[0], index); - -} - -/** - * hwicap_get_configuration_register: Query a configuration register. - * @parameter drvdata: a pointer to the drvdata. - * @parameter reg: a constant which represents the configuration + * hwicap_get_configuration_register - Query a configuration register. + * @drvdata: a pointer to the drvdata. + * @reg: a constant which represents the configuration * register value to be returned. * Examples: XHI_IDCODE, XHI_FLR. - * @parameter RegData: returns the value of the register. + * @reg_data: returns the value of the register. * * Sends a query packet to the ICAP and then receives the response. * The icap is left in Synched state. */ -int hwicap_get_configuration_register(struct hwicap_drvdata *drvdata, - u32 reg, u32 *RegData) +static int hwicap_get_configuration_register(struct hwicap_drvdata *drvdata, + u32 reg, u32 *reg_data) { int status; u32 buffer[6]; @@ -300,14 +268,14 @@ int hwicap_get_configuration_register(struct hwicap_drvdata *drvdata, /* * Read the configuration register */ - status = drvdata->config->get_configuration(drvdata, RegData, 1); + status = drvdata->config->get_configuration(drvdata, reg_data, 1); if (status) return status; return 0; } -int hwicap_initialize_hwicap(struct hwicap_drvdata *drvdata) +static int hwicap_initialize_hwicap(struct hwicap_drvdata *drvdata) { int status; u32 idcode; @@ -344,7 +312,7 @@ int hwicap_initialize_hwicap(struct hwicap_drvdata *drvdata) } static ssize_t -hwicap_read(struct file *file, char *buf, size_t count, loff_t *ppos) +hwicap_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { struct hwicap_drvdata *drvdata = file->private_data; ssize_t bytes_to_read = 0; @@ -353,8 +321,9 @@ hwicap_read(struct file *file, char *buf, size_t count, loff_t *ppos) u32 bytes_remaining; int status; - if (down_interruptible(&drvdata->sem)) - return -ERESTARTSYS; + status = mutex_lock_interruptible(&drvdata->sem); + if (status) + return status; if (drvdata->read_buffer_in_use) { /* If there are leftover bytes in the buffer, just */ @@ -370,8 +339,9 @@ hwicap_read(struct file *file, char *buf, size_t count, loff_t *ppos) goto error; } drvdata->read_buffer_in_use -= bytes_to_read; - memcpy(drvdata->read_buffer + bytes_to_read, - drvdata->read_buffer, 4 - bytes_to_read); + memmove(drvdata->read_buffer, + drvdata->read_buffer + bytes_to_read, + 4 - bytes_to_read); } else { /* Get new data from the ICAP, and return was was requested. */ kbuf = (u32 *) get_zeroed_page(GFP_KERNEL); @@ -414,18 +384,20 @@ hwicap_read(struct file *file, char *buf, size_t count, loff_t *ppos) status = -EFAULT; goto error; } - memcpy(kbuf, drvdata->read_buffer, bytes_remaining); + memcpy(drvdata->read_buffer, + kbuf, + bytes_remaining); drvdata->read_buffer_in_use = bytes_remaining; free_page((unsigned long)kbuf); } status = bytes_to_read; error: - up(&drvdata->sem); + mutex_unlock(&drvdata->sem); return status; } static ssize_t -hwicap_write(struct file *file, const char *buf, +hwicap_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) { struct hwicap_drvdata *drvdata = file->private_data; @@ -435,8 +407,9 @@ hwicap_write(struct file *file, const char *buf, ssize_t len; ssize_t status; - if (down_interruptible(&drvdata->sem)) - return -ERESTARTSYS; + status = mutex_lock_interruptible(&drvdata->sem); + if (status) + return status; left += drvdata->write_buffer_in_use; @@ -465,7 +438,7 @@ hwicap_write(struct file *file, const char *buf, memcpy(kbuf, drvdata->write_buffer, drvdata->write_buffer_in_use); if (copy_from_user( - (((char *)kbuf) + (drvdata->write_buffer_in_use)), + (((char *)kbuf) + drvdata->write_buffer_in_use), buf + written, len - (drvdata->write_buffer_in_use))) { free_page((unsigned long)kbuf); @@ -508,7 +481,7 @@ hwicap_write(struct file *file, const char *buf, free_page((unsigned long)kbuf); status = written; error: - up(&drvdata->sem); + mutex_unlock(&drvdata->sem); return status; } @@ -519,8 +492,9 @@ static int hwicap_open(struct inode *inode, struct file *file) drvdata = container_of(inode->i_cdev, struct hwicap_drvdata, cdev); - if (down_interruptible(&drvdata->sem)) - return -ERESTARTSYS; + status = mutex_lock_interruptible(&drvdata->sem); + if (status) + return status; if (drvdata->is_open) { status = -EBUSY; @@ -539,7 +513,7 @@ static int hwicap_open(struct inode *inode, struct file *file) drvdata->is_open = 1; error: - up(&drvdata->sem); + mutex_unlock(&drvdata->sem); return status; } @@ -549,8 +523,7 @@ static int hwicap_release(struct inode *inode, struct file *file) int i; int status = 0; - if (down_interruptible(&drvdata->sem)) - return -ERESTARTSYS; + mutex_lock(&drvdata->sem); if (drvdata->write_buffer_in_use) { /* Flush write buffer. */ @@ -569,7 +542,7 @@ static int hwicap_release(struct inode *inode, struct file *file) error: drvdata->is_open = 0; - up(&drvdata->sem); + mutex_unlock(&drvdata->sem); return status; } @@ -592,31 +565,36 @@ static int __devinit hwicap_setup(struct device *dev, int id, dev_info(dev, "Xilinx icap port driver\n"); + mutex_lock(&icap_sem); + if (id < 0) { for (id = 0; id < HWICAP_DEVICES; id++) if (!probed_devices[id]) break; } if (id < 0 || id >= HWICAP_DEVICES) { + mutex_unlock(&icap_sem); dev_err(dev, "%s%i too large\n", DRIVER_NAME, id); return -EINVAL; } if (probed_devices[id]) { + mutex_unlock(&icap_sem); dev_err(dev, "cannot assign to %s%i; it is already in use\n", DRIVER_NAME, id); return -EBUSY; } probed_devices[id] = 1; + mutex_unlock(&icap_sem); devt = MKDEV(xhwicap_major, xhwicap_minor + id); - drvdata = kmalloc(sizeof(struct hwicap_drvdata), GFP_KERNEL); + drvdata = kzalloc(sizeof(struct hwicap_drvdata), GFP_KERNEL); if (!drvdata) { dev_err(dev, "Couldn't allocate device private record\n"); - return -ENOMEM; + retval = -ENOMEM; + goto failed0; } - memset((void *)drvdata, 0, sizeof(struct hwicap_drvdata)); dev_set_drvdata(dev, (void *)drvdata); if (!regs_res) { @@ -648,7 +626,7 @@ static int __devinit hwicap_setup(struct device *dev, int id, drvdata->config = config; drvdata->config_regs = config_regs; - init_MUTEX(&drvdata->sem); + mutex_init(&drvdata->sem); drvdata->is_open = 0; dev_info(dev, "ioremap %lx to %p with size %x\n", @@ -663,7 +641,7 @@ static int __devinit hwicap_setup(struct device *dev, int id, goto failed3; } /* devfs_mk_cdev(devt, S_IFCHR|S_IRUGO|S_IWUGO, DRIVER_NAME); */ - class_device_create(icap_class, NULL, devt, NULL, DRIVER_NAME); + device_create(icap_class, dev, devt, "%s%d", DRIVER_NAME, id); return 0; /* success */ failed3: @@ -675,6 +653,11 @@ static int __devinit hwicap_setup(struct device *dev, int id, failed1: kfree(drvdata); + failed0: + mutex_lock(&icap_sem); + probed_devices[id] = 0; + mutex_unlock(&icap_sem); + return retval; } @@ -699,14 +682,16 @@ static int __devexit hwicap_remove(struct device *dev) if (!drvdata) return 0; - class_device_destroy(icap_class, drvdata->devt); + device_destroy(icap_class, drvdata->devt); cdev_del(&drvdata->cdev); iounmap(drvdata->base_address); release_mem_region(drvdata->mem_start, drvdata->mem_size); kfree(drvdata); dev_set_drvdata(dev, NULL); - probed_devices[MINOR(dev->devt)-xhwicap_minor] = 0; + mutex_lock(&icap_sem); + probed_devices[MINOR(dev->devt)-xhwicap_minor] = 0; + mutex_unlock(&icap_sem); return 0; /* success */ } @@ -821,28 +806,29 @@ static struct of_platform_driver hwicap_of_driver = { }; /* Registration helpers to keep the number of #ifdefs to a minimum */ -static inline int __devinit hwicap_of_register(void) +static inline int __init hwicap_of_register(void) { pr_debug("hwicap: calling of_register_platform_driver()\n"); return of_register_platform_driver(&hwicap_of_driver); } -static inline void __devexit hwicap_of_unregister(void) +static inline void __exit hwicap_of_unregister(void) { of_unregister_platform_driver(&hwicap_of_driver); } #else /* CONFIG_OF */ /* CONFIG_OF not enabled; do nothing helpers */ -static inline int __devinit hwicap_of_register(void) { return 0; } -static inline void __devexit hwicap_of_unregister(void) { } +static inline int __init hwicap_of_register(void) { return 0; } +static inline void __exit hwicap_of_unregister(void) { } #endif /* CONFIG_OF */ -static int __devinit hwicap_module_init(void) +static int __init hwicap_module_init(void) { dev_t devt; int retval; icap_class = class_create(THIS_MODULE, "xilinx_config"); + mutex_init(&icap_sem); if (xhwicap_major) { devt = MKDEV(xhwicap_major, xhwicap_minor); @@ -883,7 +869,7 @@ static int __devinit hwicap_module_init(void) return retval; } -static void __devexit hwicap_module_cleanup(void) +static void __exit hwicap_module_cleanup(void) { dev_t devt = MKDEV(xhwicap_major, xhwicap_minor); diff --git a/drivers/char/xilinx_hwicap/xilinx_hwicap.h b/drivers/char/xilinx_hwicap/xilinx_hwicap.h index ae771cac162..405fee7e189 100644 --- a/drivers/char/xilinx_hwicap/xilinx_hwicap.h +++ b/drivers/char/xilinx_hwicap/xilinx_hwicap.h @@ -48,9 +48,9 @@ struct hwicap_drvdata { u8 write_buffer[4]; u32 read_buffer_in_use; /* Always in [0,3] */ u8 read_buffer[4]; - u32 mem_start; /* phys. address of the control registers */ - u32 mem_end; /* phys. address of the control registers */ - u32 mem_size; + resource_size_t mem_start;/* phys. address of the control registers */ + resource_size_t mem_end; /* phys. address of the control registers */ + resource_size_t mem_size; void __iomem *base_address;/* virt. address of the control registers */ struct device *dev; @@ -61,7 +61,7 @@ struct hwicap_drvdata { const struct config_registers *config_regs; void *private_data; bool is_open; - struct semaphore sem; + struct mutex sem; }; struct hwicap_driver_config { @@ -164,29 +164,29 @@ struct config_registers { #define XHI_DISABLED_AUTO_CRC 0x0000DEFCUL /** - * hwicap_type_1_read: Generates a Type 1 read packet header. - * @parameter: Register is the address of the register to be read back. + * hwicap_type_1_read - Generates a Type 1 read packet header. + * @reg: is the address of the register to be read back. * * Generates a Type 1 read packet header, which is used to indirectly * read registers in the configuration logic. This packet must then * be sent through the icap device, and a return packet received with * the information. **/ -static inline u32 hwicap_type_1_read(u32 Register) +static inline u32 hwicap_type_1_read(u32 reg) { return (XHI_TYPE_1 << XHI_TYPE_SHIFT) | - (Register << XHI_REGISTER_SHIFT) | + (reg << XHI_REGISTER_SHIFT) | (XHI_OP_READ << XHI_OP_SHIFT); } /** - * hwicap_type_1_write: Generates a Type 1 write packet header - * @parameter: Register is the address of the register to be read back. + * hwicap_type_1_write - Generates a Type 1 write packet header + * @reg: is the address of the register to be read back. **/ -static inline u32 hwicap_type_1_write(u32 Register) +static inline u32 hwicap_type_1_write(u32 reg) { return (XHI_TYPE_1 << XHI_TYPE_SHIFT) | - (Register << XHI_REGISTER_SHIFT) | + (reg << XHI_REGISTER_SHIFT) | (XHI_OP_WRITE << XHI_OP_SHIFT); } |