diff options
author | Dmitry Torokhov <dtor_core@ameritech.net> | 2006-04-02 00:08:05 -0500 |
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committer | Dmitry Torokhov <dtor_core@ameritech.net> | 2006-04-02 00:08:05 -0500 |
commit | 95d465fd750897ab32462a6702fbfe1b122cbbc0 (patch) | |
tree | 65c38b2f11c51bb6932e44dd6c92f15b0091abfe /arch/powerpc/platforms/cell/spu_base.c | |
parent | 642fde17dceceb56c7ba2762733ac688666ae657 (diff) | |
parent | 683aa4012f53b2ada0f430487e05d37b0d94e90a (diff) |
Manual merge with Linus.
Conflicts:
arch/powerpc/kernel/setup-common.c
drivers/input/keyboard/hil_kbd.c
drivers/input/mouse/hil_ptr.c
Diffstat (limited to 'arch/powerpc/platforms/cell/spu_base.c')
-rw-r--r-- | arch/powerpc/platforms/cell/spu_base.c | 39 |
1 files changed, 23 insertions, 16 deletions
diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c index d75ae03df68..269dda4fd0b 100644 --- a/arch/powerpc/platforms/cell/spu_base.c +++ b/arch/powerpc/platforms/cell/spu_base.c @@ -32,7 +32,7 @@ #include <asm/io.h> #include <asm/prom.h> -#include <asm/semaphore.h> +#include <linux/mutex.h> #include <asm/spu.h> #include <asm/mmu_context.h> @@ -111,7 +111,7 @@ static int __spu_trap_data_seg(struct spu *spu, unsigned long ea) extern int hash_page(unsigned long ea, unsigned long access, unsigned long trap); //XXX static int __spu_trap_data_map(struct spu *spu, unsigned long ea, u64 dsisr) { - pr_debug("%s\n", __FUNCTION__); + pr_debug("%s, %lx, %lx\n", __FUNCTION__, dsisr, ea); /* Handle kernel space hash faults immediately. User hash faults need to be deferred to process context. */ @@ -168,7 +168,7 @@ static int __spu_trap_halt(struct spu *spu) static int __spu_trap_tag_group(struct spu *spu) { pr_debug("%s\n", __FUNCTION__); - /* wake_up(&spu->dma_wq); */ + spu->mfc_callback(spu); return 0; } @@ -242,6 +242,8 @@ spu_irq_class_1(int irq, void *data, struct pt_regs *regs) spu_mfc_dsisr_set(spu, 0ul); spu_int_stat_clear(spu, 1, stat); spin_unlock(&spu->register_lock); + pr_debug("%s: %lx %lx %lx %lx\n", __FUNCTION__, mask, stat, + dar, dsisr); if (stat & 1) /* segment fault */ __spu_trap_data_seg(spu, dar); @@ -342,7 +344,7 @@ spu_free_irqs(struct spu *spu) } static LIST_HEAD(spu_list); -static DECLARE_MUTEX(spu_mutex); +static DEFINE_MUTEX(spu_mutex); static void spu_init_channels(struct spu *spu) { @@ -382,7 +384,7 @@ struct spu *spu_alloc(void) { struct spu *spu; - down(&spu_mutex); + mutex_lock(&spu_mutex); if (!list_empty(&spu_list)) { spu = list_entry(spu_list.next, struct spu, list); list_del_init(&spu->list); @@ -391,7 +393,7 @@ struct spu *spu_alloc(void) pr_debug("No SPU left\n"); spu = NULL; } - up(&spu_mutex); + mutex_unlock(&spu_mutex); if (spu) spu_init_channels(spu); @@ -402,9 +404,9 @@ EXPORT_SYMBOL_GPL(spu_alloc); void spu_free(struct spu *spu) { - down(&spu_mutex); + mutex_lock(&spu_mutex); list_add_tail(&spu->list, &spu_list); - up(&spu_mutex); + mutex_unlock(&spu_mutex); } EXPORT_SYMBOL_GPL(spu_free); @@ -484,14 +486,13 @@ int spu_irq_class_1_bottom(struct spu *spu) ea = spu->dar; dsisr = spu->dsisr; - if (dsisr & MFC_DSISR_PTE_NOT_FOUND) { + if (dsisr & (MFC_DSISR_PTE_NOT_FOUND | MFC_DSISR_ACCESS_DENIED)) { access = (_PAGE_PRESENT | _PAGE_USER); access |= (dsisr & MFC_DSISR_ACCESS_PUT) ? _PAGE_RW : 0UL; if (hash_page(ea, access, 0x300) != 0) error |= CLASS1_ENABLE_STORAGE_FAULT_INTR; } - if ((error & CLASS1_ENABLE_STORAGE_FAULT_INTR) || - (dsisr & MFC_DSISR_ACCESS_DENIED)) { + if (error & CLASS1_ENABLE_STORAGE_FAULT_INTR) { if ((ret = spu_handle_mm_fault(spu)) != 0) error |= CLASS1_ENABLE_STORAGE_FAULT_INTR; else @@ -568,6 +569,11 @@ static int __init spu_map_device(struct spu *spu, struct device_node *spe) if (!spu->local_store) goto out; + prop = get_property(spe, "problem", NULL); + if (!prop) + goto out_unmap; + spu->problem_phys = *(unsigned long *)prop; + spu->problem= map_spe_prop(spe, "problem"); if (!spu->problem) goto out_unmap; @@ -632,15 +638,16 @@ static int __init create_spu(struct device_node *spe) spu->ibox_callback = NULL; spu->wbox_callback = NULL; spu->stop_callback = NULL; + spu->mfc_callback = NULL; - down(&spu_mutex); + mutex_lock(&spu_mutex); spu->number = number++; ret = spu_request_irqs(spu); if (ret) goto out_unmap; list_add(&spu->list, &spu_list); - up(&spu_mutex); + mutex_unlock(&spu_mutex); pr_debug(KERN_DEBUG "Using SPE %s %02x %p %p %p %p %d\n", spu->name, spu->isrc, spu->local_store, @@ -648,7 +655,7 @@ static int __init create_spu(struct device_node *spe) goto out; out_unmap: - up(&spu_mutex); + mutex_unlock(&spu_mutex); spu_unmap(spu); out_free: kfree(spu); @@ -668,10 +675,10 @@ static void destroy_spu(struct spu *spu) static void cleanup_spu_base(void) { struct spu *spu, *tmp; - down(&spu_mutex); + mutex_lock(&spu_mutex); list_for_each_entry_safe(spu, tmp, &spu_list, list) destroy_spu(spu); - up(&spu_mutex); + mutex_unlock(&spu_mutex); } module_exit(cleanup_spu_base); |