diff options
author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-19 12:59:55 -0800 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-19 12:59:55 -0800 |
commit | 733abe4fff3afa13e301bc8bc5bee9aac4b59fdc (patch) | |
tree | c11f08a401783848deb7f41f65e990333971ba66 /drivers | |
parent | 5fe8252fc3a21666cf19053fbd7ec7bd9664f5d9 (diff) | |
parent | 81bb0e198b4638ac65233b316f4588639dfe1fcd (diff) |
Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6:
PCI: Make PCI device numa-node attribute visible in sysfs
PCI: add systems for automatic breadth-first device sorting
PCI: PCI devices get assigned redundant IRQs
PCI: Make CARDBUS_MEM_SIZE and CARDBUS_IO_SIZE boot options
PCI: pci.txt fix __devexit() usage
PCI/sysfs/kobject kernel-doc fixes
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/pci/pci-driver.c | 1 | ||||
-rw-r--r-- | drivers/pci/pci-sysfs.c | 11 | ||||
-rw-r--r-- | drivers/pci/pci.c | 12 | ||||
-rw-r--r-- | drivers/pci/setup-bus.c | 27 | ||||
-rw-r--r-- | drivers/pci/setup-irq.c | 18 |
5 files changed, 43 insertions, 26 deletions
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index 4438ae1ede4..a3c1755b2f2 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -415,6 +415,7 @@ static struct kobj_type pci_driver_kobj_type = { * __pci_register_driver - register a new pci driver * @drv: the driver structure to register * @owner: owner module of drv + * @mod_name: module name string * * Adds the driver structure to the list of registered drivers. * Returns a negative value on error, otherwise 0. diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index 7a94076752d..cd913a2a416 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -143,6 +143,14 @@ static ssize_t is_enabled_show(struct device *dev, return sprintf (buf, "%u\n", atomic_read(&pdev->enable_cnt)); } +#ifdef CONFIG_NUMA +static ssize_t +numa_node_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + return sprintf (buf, "%d\n", dev->numa_node); +} +#endif + static ssize_t msi_bus_show(struct device *dev, struct device_attribute *attr, char *buf) { @@ -194,6 +202,9 @@ struct device_attribute pci_dev_attrs[] = { __ATTR_RO(irq), __ATTR_RO(local_cpus), __ATTR_RO(modalias), +#ifdef CONFIG_NUMA + __ATTR_RO(numa_node), +#endif __ATTR(enable, 0600, is_enabled_show, is_enabled_store), __ATTR(broken_parity_status,(S_IRUGO|S_IWUSR), broken_parity_status_show,broken_parity_status_store), diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 8b44cff2c17..1e74e1ee8bd 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -21,6 +21,12 @@ unsigned int pci_pm_d3_delay = 10; +#define DEFAULT_CARDBUS_IO_SIZE (256) +#define DEFAULT_CARDBUS_MEM_SIZE (64*1024*1024) +/* pci=cbmemsize=nnM,cbiosize=nn can override this */ +unsigned long pci_cardbus_io_size = DEFAULT_CARDBUS_IO_SIZE; +unsigned long pci_cardbus_mem_size = DEFAULT_CARDBUS_MEM_SIZE; + /** * pci_bus_max_busnr - returns maximum PCI bus number of given bus' children * @bus: pointer to PCI bus structure to search @@ -1300,7 +1306,7 @@ pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask) /** * pci_select_bars - Make BAR mask from the type of resource - * @pdev: the PCI device for which BAR mask is made + * @dev: the PCI device for which BAR mask is made * @flags: resource type mask to be selected * * This helper routine makes bar mask from the type of resource. @@ -1333,6 +1339,10 @@ static int __devinit pci_setup(char *str) if (*str && (str = pcibios_setup(str)) && *str) { if (!strcmp(str, "nomsi")) { pci_no_msi(); + } else if (!strncmp(str, "cbiosize=", 9)) { + pci_cardbus_io_size = memparse(str + 9, &str); + } else if (!strncmp(str, "cbmemsize=", 10)) { + pci_cardbus_mem_size = memparse(str + 10, &str); } else { printk(KERN_ERR "PCI: Unknown option `%s'\n", str); diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c index 89f3036f0de..3554f394881 100644 --- a/drivers/pci/setup-bus.c +++ b/drivers/pci/setup-bus.c @@ -36,13 +36,6 @@ #define ROUND_UP(x, a) (((x) + (a) - 1) & ~((a) - 1)) -/* - * FIXME: IO should be max 256 bytes. However, since we may - * have a P2P bridge below a cardbus bridge, we need 4K. - */ -#define CARDBUS_IO_SIZE (256) -#define CARDBUS_MEM_SIZE (64*1024*1024) - static void __devinit pbus_assign_resources_sorted(struct pci_bus *bus) { @@ -415,12 +408,12 @@ pci_bus_size_cardbus(struct pci_bus *bus) * Reserve some resources for CardBus. We reserve * a fixed amount of bus space for CardBus bridges. */ - b_res[0].start = CARDBUS_IO_SIZE; - b_res[0].end = b_res[0].start + CARDBUS_IO_SIZE - 1; + b_res[0].start = pci_cardbus_io_size; + b_res[0].end = b_res[0].start + pci_cardbus_io_size - 1; b_res[0].flags |= IORESOURCE_IO; - b_res[1].start = CARDBUS_IO_SIZE; - b_res[1].end = b_res[1].start + CARDBUS_IO_SIZE - 1; + b_res[1].start = pci_cardbus_io_size; + b_res[1].end = b_res[1].start + pci_cardbus_io_size - 1; b_res[1].flags |= IORESOURCE_IO; /* @@ -440,16 +433,16 @@ pci_bus_size_cardbus(struct pci_bus *bus) * twice the size. */ if (ctrl & PCI_CB_BRIDGE_CTL_PREFETCH_MEM0) { - b_res[2].start = CARDBUS_MEM_SIZE; - b_res[2].end = b_res[2].start + CARDBUS_MEM_SIZE - 1; + b_res[2].start = pci_cardbus_mem_size; + b_res[2].end = b_res[2].start + pci_cardbus_mem_size - 1; b_res[2].flags |= IORESOURCE_MEM | IORESOURCE_PREFETCH; - b_res[3].start = CARDBUS_MEM_SIZE; - b_res[3].end = b_res[3].start + CARDBUS_MEM_SIZE - 1; + b_res[3].start = pci_cardbus_mem_size; + b_res[3].end = b_res[3].start + pci_cardbus_mem_size - 1; b_res[3].flags |= IORESOURCE_MEM; } else { - b_res[3].start = CARDBUS_MEM_SIZE * 2; - b_res[3].end = b_res[3].start + CARDBUS_MEM_SIZE * 2 - 1; + b_res[3].start = pci_cardbus_mem_size * 2; + b_res[3].end = b_res[3].start + pci_cardbus_mem_size * 2 - 1; b_res[3].flags |= IORESOURCE_MEM; } } diff --git a/drivers/pci/setup-irq.c b/drivers/pci/setup-irq.c index a251289c995..568f1877315 100644 --- a/drivers/pci/setup-irq.c +++ b/drivers/pci/setup-irq.c @@ -24,7 +24,7 @@ pdev_fixup_irq(struct pci_dev *dev, int (*map_irq)(struct pci_dev *, u8, u8)) { u8 pin, slot; - int irq; + int irq = 0; /* If this device is not on the primary bus, we need to figure out which interrupt pin it will come in on. We know which slot it @@ -33,16 +33,18 @@ pdev_fixup_irq(struct pci_dev *dev, apply the swizzle function. */ pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin); - /* Cope with 0 and illegal. */ - if (pin == 0 || pin > 4) + /* Cope with illegal. */ + if (pin > 4) pin = 1; - /* Follow the chain of bridges, swizzling as we go. */ - slot = (*swizzle)(dev, &pin); + if (pin != 0) { + /* Follow the chain of bridges, swizzling as we go. */ + slot = (*swizzle)(dev, &pin); - irq = (*map_irq)(dev, slot, pin); - if (irq == -1) - irq = 0; + irq = (*map_irq)(dev, slot, pin); + if (irq == -1) + irq = 0; + } dev->irq = irq; pr_debug("PCI: fixup irq: (%s) got %d\n", |