diff options
Diffstat (limited to 'drivers/pci')
37 files changed, 279 insertions, 104 deletions
diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile index 3d102dd87c9..0b51857fbaf 100644 --- a/drivers/pci/Makefile +++ b/drivers/pci/Makefile @@ -48,6 +48,7 @@ obj-$(CONFIG_PPC) += setup-bus.o obj-$(CONFIG_MIPS) += setup-bus.o setup-irq.o obj-$(CONFIG_X86_VISWS) += setup-irq.o obj-$(CONFIG_MN10300) += setup-bus.o +obj-$(CONFIG_MICROBLAZE) += setup-bus.o # # ACPI Related PCI FW Functions diff --git a/drivers/pci/access.c b/drivers/pci/access.c index db23200c487..2f646fe1260 100644 --- a/drivers/pci/access.c +++ b/drivers/pci/access.c @@ -2,6 +2,7 @@ #include <linux/pci.h> #include <linux/module.h> #include <linux/sched.h> +#include <linux/slab.h> #include <linux/ioport.h> #include <linux/wait.h> diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c index 712250f5874..628ea20a884 100644 --- a/drivers/pci/bus.c +++ b/drivers/pci/bus.c @@ -14,6 +14,7 @@ #include <linux/ioport.h> #include <linux/proc_fs.h> #include <linux/init.h> +#include <linux/slab.h> #include "pci.h" @@ -288,9 +289,9 @@ void pci_walk_bus(struct pci_bus *top, int (*cb)(struct pci_dev *, void *), next = dev->bus_list.next; /* Run device routines with the device locked */ - down(&dev->dev.sem); + device_lock(&dev->dev); retval = cb(dev, userdata); - up(&dev->dev.sem); + device_unlock(&dev->dev); if (retval) break; } diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c index 83aae474759..33ead97f0c4 100644 --- a/drivers/pci/dmar.c +++ b/drivers/pci/dmar.c @@ -35,6 +35,7 @@ #include <linux/interrupt.h> #include <linux/tboot.h> #include <linux/dmi.h> +#include <linux/slab.h> #define PREFIX "DMAR: " diff --git a/drivers/pci/hotplug/acpi_pcihp.c b/drivers/pci/hotplug/acpi_pcihp.c index 3c76fc67cf0..45fcc1e96df 100644 --- a/drivers/pci/hotplug/acpi_pcihp.c +++ b/drivers/pci/hotplug/acpi_pcihp.c @@ -32,6 +32,7 @@ #include <linux/pci_hotplug.h> #include <linux/acpi.h> #include <linux/pci-acpi.h> +#include <linux/slab.h> #define MY_NAME "acpi_pcihp" diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c index cb2fd01edda..cb23aa2ebf9 100644 --- a/drivers/pci/hotplug/acpiphp_glue.c +++ b/drivers/pci/hotplug/acpiphp_glue.c @@ -47,6 +47,7 @@ #include <linux/pci_hotplug.h> #include <linux/pci-acpi.h> #include <linux/mutex.h> +#include <linux/slab.h> #include "../pci.h" #include "acpiphp.h" @@ -749,6 +750,24 @@ static int acpiphp_bus_trim(acpi_handle handle) return retval; } +static void acpiphp_set_acpi_region(struct acpiphp_slot *slot) +{ + struct acpiphp_func *func; + union acpi_object params[2]; + struct acpi_object_list arg_list; + + list_for_each_entry(func, &slot->funcs, sibling) { + arg_list.count = 2; + arg_list.pointer = params; + params[0].type = ACPI_TYPE_INTEGER; + params[0].integer.value = ACPI_ADR_SPACE_PCI_CONFIG; + params[1].type = ACPI_TYPE_INTEGER; + params[1].integer.value = 1; + /* _REG is optional, we don't care about if there is failure */ + acpi_evaluate_object(func->handle, "_REG", &arg_list, NULL); + } +} + /** * enable_device - enable, configure a slot * @slot: slot to be enabled @@ -805,6 +824,7 @@ static int __ref enable_device(struct acpiphp_slot *slot) pci_bus_assign_resources(bus); acpiphp_sanitize_bus(bus); acpiphp_set_hpp_values(bus); + acpiphp_set_acpi_region(slot); pci_enable_bridges(bus); pci_bus_add_devices(bus); diff --git a/drivers/pci/hotplug/acpiphp_ibm.c b/drivers/pci/hotplug/acpiphp_ibm.c index aa5df485f8c..6ecbfb27db9 100644 --- a/drivers/pci/hotplug/acpiphp_ibm.c +++ b/drivers/pci/hotplug/acpiphp_ibm.c @@ -26,6 +26,7 @@ */ #include <linux/init.h> +#include <linux/slab.h> #include <linux/module.h> #include <linux/kernel.h> #include <acpi/acpi_bus.h> diff --git a/drivers/pci/hotplug/cpqphp_sysfs.c b/drivers/pci/hotplug/cpqphp_sysfs.c index e6089bdb6e5..56215322930 100644 --- a/drivers/pci/hotplug/cpqphp_sysfs.c +++ b/drivers/pci/hotplug/cpqphp_sysfs.c @@ -28,6 +28,7 @@ #include <linux/module.h> #include <linux/kernel.h> +#include <linux/slab.h> #include <linux/types.h> #include <linux/proc_fs.h> #include <linux/workqueue.h> diff --git a/drivers/pci/hotplug/fakephp.c b/drivers/pci/hotplug/fakephp.c index 6151389fd90..5317e4d7d96 100644 --- a/drivers/pci/hotplug/fakephp.c +++ b/drivers/pci/hotplug/fakephp.c @@ -19,6 +19,7 @@ #include <linux/init.h> #include <linux/pci.h> #include <linux/device.h> +#include <linux/slab.h> #include "../pci.h" struct legacy_slot { @@ -73,7 +74,7 @@ static void legacy_release(struct kobject *kobj) } static struct kobj_type legacy_ktype = { - .sysfs_ops = &(struct sysfs_ops){ + .sysfs_ops = &(const struct sysfs_ops){ .store = legacy_store, .show = legacy_show }, .release = &legacy_release, diff --git a/drivers/pci/hotplug/pci_hotplug_core.c b/drivers/pci/hotplug/pci_hotplug_core.c index 728b119f71a..6d2eea93298 100644 --- a/drivers/pci/hotplug/pci_hotplug_core.c +++ b/drivers/pci/hotplug/pci_hotplug_core.c @@ -33,7 +33,6 @@ #include <linux/kobject.h> #include <linux/sysfs.h> #include <linux/pagemap.h> -#include <linux/slab.h> #include <linux/init.h> #include <linux/mount.h> #include <linux/namei.h> diff --git a/drivers/pci/hotplug/pciehp_acpi.c b/drivers/pci/hotplug/pciehp_acpi.c index b09b083011d..1f4000a5a10 100644 --- a/drivers/pci/hotplug/pciehp_acpi.c +++ b/drivers/pci/hotplug/pciehp_acpi.c @@ -26,6 +26,7 @@ #include <linux/acpi.h> #include <linux/pci.h> #include <linux/pci_hotplug.h> +#include <linux/slab.h> #include "pciehp.h" #define PCIEHP_DETECT_PCIE (0) diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c index 920f820edf8..3588ea61b0d 100644 --- a/drivers/pci/hotplug/pciehp_core.c +++ b/drivers/pci/hotplug/pciehp_core.c @@ -30,6 +30,7 @@ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/kernel.h> +#include <linux/slab.h> #include <linux/types.h> #include <linux/pci.h> #include "pciehp.h" diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c index 9a7f247e8ac..8f58148be04 100644 --- a/drivers/pci/hotplug/pciehp_ctrl.c +++ b/drivers/pci/hotplug/pciehp_ctrl.c @@ -30,6 +30,7 @@ #include <linux/module.h> #include <linux/kernel.h> #include <linux/types.h> +#include <linux/slab.h> #include <linux/pci.h> #include <linux/workqueue.h> #include "../pci.h" diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c index 40b48f569b1..0cd42047d89 100644 --- a/drivers/pci/hotplug/pciehp_hpc.c +++ b/drivers/pci/hotplug/pciehp_hpc.c @@ -36,6 +36,7 @@ #include <linux/pci.h> #include <linux/interrupt.h> #include <linux/time.h> +#include <linux/slab.h> #include "../pci.h" #include "pciehp.h" @@ -832,9 +833,8 @@ static inline void dbg_ctrl(struct controller *ctrl) for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { if (!pci_resource_len(pdev, i)) continue; - ctrl_info(ctrl, " PCI resource [%d] : 0x%llx@0x%llx\n", - i, (unsigned long long)pci_resource_len(pdev, i), - (unsigned long long)pci_resource_start(pdev, i)); + ctrl_info(ctrl, " PCI resource [%d] : %pR\n", + i, &pdev->resource[i]); } ctrl_info(ctrl, "Slot Capabilities : 0x%08x\n", ctrl->slot_cap); ctrl_info(ctrl, " Physical Slot Number : %d\n", PSN(ctrl)); diff --git a/drivers/pci/hotplug/rpadlpar_core.c b/drivers/pci/hotplug/rpadlpar_core.c index 4e3e0382c16..083034710fa 100644 --- a/drivers/pci/hotplug/rpadlpar_core.c +++ b/drivers/pci/hotplug/rpadlpar_core.c @@ -20,6 +20,7 @@ #include <linux/init.h> #include <linux/pci.h> #include <linux/string.h> +#include <linux/vmalloc.h> #include <asm/pci-bridge.h> #include <linux/mutex.h> @@ -430,6 +431,8 @@ int dlpar_remove_slot(char *drc_name) rc = dlpar_remove_pci_slot(drc_name, dn); break; } + vm_unmap_aliases(); + printk(KERN_INFO "%s: slot %s removed\n", DLPAR_MODULE_NAME, drc_name); exit: mutex_unlock(&rpadlpar_mutex); diff --git a/drivers/pci/hotplug/rpaphp_core.c b/drivers/pci/hotplug/rpaphp_core.c index dcaae725fd7..ef7411c660b 100644 --- a/drivers/pci/hotplug/rpaphp_core.c +++ b/drivers/pci/hotplug/rpaphp_core.c @@ -27,9 +27,9 @@ #include <linux/moduleparam.h> #include <linux/pci.h> #include <linux/pci_hotplug.h> -#include <linux/slab.h> #include <linux/smp.h> #include <linux/init.h> +#include <linux/vmalloc.h> #include <asm/eeh.h> /* for eeh_add_device() */ #include <asm/rtas.h> /* rtas_call */ #include <asm/pci-bridge.h> /* for pci_controller */ @@ -419,6 +419,8 @@ static int disable_slot(struct hotplug_slot *hotplug_slot) return -EINVAL; pcibios_remove_pci_devices(slot->bus); + vm_unmap_aliases(); + slot->state = NOT_CONFIGURED; return 0; } diff --git a/drivers/pci/hotplug/sgi_hotplug.c b/drivers/pci/hotplug/sgi_hotplug.c index 8aebe1e9d3d..72d507b6a2a 100644 --- a/drivers/pci/hotplug/sgi_hotplug.c +++ b/drivers/pci/hotplug/sgi_hotplug.c @@ -15,6 +15,7 @@ #include <linux/pci.h> #include <linux/pci_hotplug.h> #include <linux/proc_fs.h> +#include <linux/slab.h> #include <linux/types.h> #include <linux/mutex.h> diff --git a/drivers/pci/hotplug/shpchp_core.c b/drivers/pci/hotplug/shpchp_core.c index a5062297f48..a7bd5048396 100644 --- a/drivers/pci/hotplug/shpchp_core.c +++ b/drivers/pci/hotplug/shpchp_core.c @@ -31,6 +31,7 @@ #include <linux/moduleparam.h> #include <linux/kernel.h> #include <linux/types.h> +#include <linux/slab.h> #include <linux/pci.h> #include <linux/workqueue.h> #include "shpchp.h" diff --git a/drivers/pci/hotplug/shpchp_ctrl.c b/drivers/pci/hotplug/shpchp_ctrl.c index 3bba0c0888f..3387fbfb0c5 100644 --- a/drivers/pci/hotplug/shpchp_ctrl.c +++ b/drivers/pci/hotplug/shpchp_ctrl.c @@ -30,6 +30,7 @@ #include <linux/module.h> #include <linux/kernel.h> #include <linux/types.h> +#include <linux/slab.h> #include <linux/pci.h> #include <linux/workqueue.h> #include "../pci.h" diff --git a/drivers/pci/htirq.c b/drivers/pci/htirq.c index 737a1c44b07..98abf8b9129 100644 --- a/drivers/pci/htirq.c +++ b/drivers/pci/htirq.c @@ -10,7 +10,6 @@ #include <linux/pci.h> #include <linux/spinlock.h> #include <linux/slab.h> -#include <linux/gfp.h> #include <linux/htirq.h> /* Global ht irq lock. diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c index 95b849130ad..6ee98a56946 100644 --- a/drivers/pci/intr_remapping.c +++ b/drivers/pci/intr_remapping.c @@ -1,6 +1,7 @@ #include <linux/interrupt.h> #include <linux/dmar.h> #include <linux/spinlock.h> +#include <linux/slab.h> #include <linux/jiffies.h> #include <linux/hpet.h> #include <linux/pci.h> diff --git a/drivers/pci/ioapic.c b/drivers/pci/ioapic.c index 3e0d7b5dd1b..203508b227b 100644 --- a/drivers/pci/ioapic.c +++ b/drivers/pci/ioapic.c @@ -18,6 +18,7 @@ #include <linux/pci.h> #include <linux/acpi.h> +#include <linux/slab.h> #include <acpi/acpi_bus.h> struct ioapic { @@ -31,9 +32,9 @@ static int ioapic_probe(struct pci_dev *dev, const struct pci_device_id *ent) acpi_status status; unsigned long long gsb; struct ioapic *ioapic; - u64 addr; int ret; char *type; + struct resource *res; handle = DEVICE_ACPI_HANDLE(&dev->dev); if (!handle) @@ -69,13 +70,12 @@ static int ioapic_probe(struct pci_dev *dev, const struct pci_device_id *ent) if (pci_request_region(dev, 0, type)) goto exit_disable; - addr = pci_resource_start(dev, 0); - if (acpi_register_ioapic(ioapic->handle, addr, ioapic->gsi_base)) + res = &dev->resource[0]; + if (acpi_register_ioapic(ioapic->handle, res->start, ioapic->gsi_base)) goto exit_release; pci_set_drvdata(dev, ioapic); - dev_info(&dev->dev, "%s at %#llx, GSI %u\n", type, addr, - ioapic->gsi_base); + dev_info(&dev->dev, "%s at %pR, GSI %u\n", type, res, ioapic->gsi_base); return 0; exit_release: diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c index 3e5ab2bf6a5..ce6a3666b3d 100644 --- a/drivers/pci/iov.c +++ b/drivers/pci/iov.c @@ -9,6 +9,7 @@ */ #include <linux/pci.h> +#include <linux/slab.h> #include <linux/mutex.h> #include <linux/string.h> #include <linux/delay.h> diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index f9cf3173b23..77b68eaf021 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -18,6 +18,7 @@ #include <linux/smp.h> #include <linux/errno.h> #include <linux/io.h> +#include <linux/slab.h> #include "pci.h" #include "msi.h" diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index 807224ec835..fad93983bfe 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -23,6 +23,7 @@ #include <linux/mm.h> #include <linux/capability.h> #include <linux/pci-aspm.h> +#include <linux/slab.h> #include "pci.h" static int sysfs_initialized; /* = 0 */ @@ -642,6 +643,7 @@ void pci_create_legacy_files(struct pci_bus *b) if (!b->legacy_io) goto kzalloc_err; + sysfs_bin_attr_init(b->legacy_io); b->legacy_io->attr.name = "legacy_io"; b->legacy_io->size = 0xffff; b->legacy_io->attr.mode = S_IRUSR | S_IWUSR; @@ -655,6 +657,7 @@ void pci_create_legacy_files(struct pci_bus *b) /* Allocated above after the legacy_io struct */ b->legacy_mem = b->legacy_io + 1; + sysfs_bin_attr_init(b->legacy_mem); b->legacy_mem->attr.name = "legacy_mem"; b->legacy_mem->size = 1024*1024; b->legacy_mem->attr.mode = S_IRUSR | S_IWUSR; @@ -800,6 +803,7 @@ static int pci_create_attr(struct pci_dev *pdev, int num, int write_combine) if (res_attr) { char *res_attr_name = (char *)(res_attr + 1); + sysfs_bin_attr_init(res_attr); if (write_combine) { pdev->res_attr_wc[num] = res_attr; sprintf(res_attr_name, "resource%d_wc", num); @@ -972,6 +976,7 @@ static int pci_create_capabilities_sysfs(struct pci_dev *dev) if (!attr) return -ENOMEM; + sysfs_bin_attr_init(attr); attr->size = dev->vpd->len; attr->attr.name = "vpd"; attr->attr.mode = S_IRUSR | S_IWUSR; @@ -1038,6 +1043,7 @@ int __must_check pci_create_sysfs_dev_files (struct pci_dev *pdev) retval = -ENOMEM; goto err_resource_files; } + sysfs_bin_attr_init(attr); attr->size = rom_size; attr->attr.name = "rom"; attr->attr.mode = S_IRUSR; diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 5b548aee9cb..37499127c80 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -12,6 +12,7 @@ #include <linux/init.h> #include <linux/pci.h> #include <linux/pm.h> +#include <linux/slab.h> #include <linux/module.h> #include <linux/spinlock.h> #include <linux/string.h> @@ -303,6 +304,49 @@ int pci_find_ext_capability(struct pci_dev *dev, int cap) } EXPORT_SYMBOL_GPL(pci_find_ext_capability); +/** + * pci_bus_find_ext_capability - find an extended capability + * @bus: the PCI bus to query + * @devfn: PCI device to query + * @cap: capability code + * + * Like pci_find_ext_capability() but works for pci devices that do not have a + * pci_dev structure set up yet. + * + * Returns the address of the requested capability structure within the + * device's PCI configuration space or 0 in case the device does not + * support it. + */ +int pci_bus_find_ext_capability(struct pci_bus *bus, unsigned int devfn, + int cap) +{ + u32 header; + int ttl; + int pos = PCI_CFG_SPACE_SIZE; + + /* minimum 8 bytes per capability */ + ttl = (PCI_CFG_SPACE_EXP_SIZE - PCI_CFG_SPACE_SIZE) / 8; + + if (!pci_bus_read_config_dword(bus, devfn, pos, &header)) + return 0; + if (header == 0xffffffff || header == 0) + return 0; + + while (ttl-- > 0) { + if (PCI_EXT_CAP_ID(header) == cap) + return pos; + + pos = PCI_EXT_CAP_NEXT(header); + if (pos < PCI_CFG_SPACE_SIZE) + break; + + if (!pci_bus_read_config_dword(bus, devfn, pos, &header)) + break; + } + + return 0; +} + static int __pci_find_next_ht_cap(struct pci_dev *dev, int pos, int ht_cap) { int rc, ttl = PCI_FIND_CAP_TTL; @@ -635,7 +679,7 @@ static void __pci_start_power_transition(struct pci_dev *dev, pci_power_t state) */ int __pci_complete_power_transition(struct pci_dev *dev, pci_power_t state) { - return state > PCI_D0 ? + return state >= PCI_D0 ? pci_platform_power_transition(dev, state) : -EINVAL; } EXPORT_SYMBOL_GPL(__pci_complete_power_transition); @@ -672,10 +716,6 @@ int pci_set_power_state(struct pci_dev *dev, pci_power_t state) */ return 0; - /* Check if we're already there */ - if (dev->current_state == state) - return 0; - __pci_start_power_transition(dev, state); /* This device is quirked not to be put into D3, so @@ -1540,8 +1580,10 @@ void pci_pm_init(struct pci_dev *dev) int pm; u16 pmc; + pm_runtime_forbid(&dev->dev); device_enable_async_suspend(&dev->dev); dev->wakeup_prepared = false; + dev->pm_cap = 0; /* find PCI PM capability in list */ @@ -2253,35 +2295,6 @@ void pci_msi_off(struct pci_dev *dev) } } -#ifndef HAVE_ARCH_PCI_SET_DMA_MASK -/* - * These can be overridden by arch-specific implementations - */ -int -pci_set_dma_mask(struct pci_dev *dev, u64 mask) -{ - if (!pci_dma_supported(dev, mask)) - return -EIO; - - dev->dma_mask = mask; - dev_dbg(&dev->dev, "using %dbit DMA mask\n", fls64(mask)); - - return 0; -} - -int -pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask) -{ - if (!pci_dma_supported(dev, mask)) - return -EIO; - - dev->dev.coherent_dma_mask = mask; - dev_dbg(&dev->dev, "using %dbit consistent DMA mask\n", fls64(mask)); - - return 0; -} -#endif - #ifndef HAVE_ARCH_PCI_SET_DMA_MAX_SEGMENT_SIZE int pci_set_dma_max_seg_size(struct pci_dev *dev, unsigned int size) { @@ -2443,7 +2456,7 @@ static int pci_dev_reset(struct pci_dev *dev, int probe) if (!probe) { pci_block_user_cfg_access(dev); /* block PM suspend, driver probe, etc. */ - down(&dev->dev.sem); + device_lock(&dev->dev); } rc = pci_dev_specific_reset(dev, probe); @@ -2465,7 +2478,7 @@ static int pci_dev_reset(struct pci_dev *dev, int probe) rc = pci_parent_bus_reset(dev, probe); done: if (!probe) { - up(&dev->dev.sem); + device_unlock(&dev->dev); pci_unblock_user_cfg_access(dev); } @@ -2560,18 +2573,17 @@ EXPORT_SYMBOL_GPL(pci_reset_function); */ int pcix_get_max_mmrbc(struct pci_dev *dev) { - int err, cap; + int cap; u32 stat; cap = pci_find_capability(dev, PCI_CAP_ID_PCIX); if (!cap) return -EINVAL; - err = pci_read_config_dword(dev, cap + PCI_X_STATUS, &stat); - if (err) + if (pci_read_config_dword(dev, cap + PCI_X_STATUS, &stat)) return -EINVAL; - return (stat & PCI_X_STATUS_MAX_READ) >> 12; + return 512 << ((stat & PCI_X_STATUS_MAX_READ) >> 21); } EXPORT_SYMBOL(pcix_get_max_mmrbc); @@ -2584,18 +2596,17 @@ EXPORT_SYMBOL(pcix_get_max_mmrbc); */ int pcix_get_mmrbc(struct pci_dev *dev) { - int ret, cap; - u32 cmd; + int cap; + u16 cmd; cap = pci_find_capability(dev, PCI_CAP_ID_PCIX); if (!cap) return -EINVAL; - ret = pci_read_config_dword(dev, cap + PCI_X_CMD, &cmd); - if (!ret) - ret = 512 << ((cmd & PCI_X_CMD_MAX_READ) >> 2); + if (pci_read_config_word(dev, cap + PCI_X_CMD, &cmd)) + return -EINVAL; - return ret; + return 512 << ((cmd & PCI_X_CMD_MAX_READ) >> 2); } EXPORT_SYMBOL(pcix_get_mmrbc); @@ -2610,28 +2621,27 @@ EXPORT_SYMBOL(pcix_get_mmrbc); */ int pcix_set_mmrbc(struct pci_dev *dev, int mmrbc) { - int cap, err = -EINVAL; - u32 stat, cmd, v, o; + int cap; + u32 stat, v, o; + u16 cmd; if (mmrbc < 512 || mmrbc > 4096 || !is_power_of_2(mmrbc)) - goto out; + return -EINVAL; v = ffs(mmrbc) - 10; cap = pci_find_capability(dev, PCI_CAP_ID_PCIX); if (!cap) - goto out; + return -EINVAL; - err = pci_read_config_dword(dev, cap + PCI_X_STATUS, &stat); - if (err) - goto out; + if (pci_read_config_dword(dev, cap + PCI_X_STATUS, &stat)) + return -EINVAL; if (v > (stat & PCI_X_STATUS_MAX_READ) >> 21) return -E2BIG; - err = pci_read_config_dword(dev, cap + PCI_X_CMD, &cmd); - if (err) - goto out; + if (pci_read_config_word(dev, cap + PCI_X_CMD, &cmd)) + return -EINVAL; o = (cmd & PCI_X_CMD_MAX_READ) >> 2; if (o != v) { @@ -2641,10 +2651,10 @@ int pcix_set_mmrbc(struct pci_dev *dev, int mmrbc) cmd &= ~PCI_X_CMD_MAX_READ; cmd |= v << 2; - err = pci_write_config_dword(dev, cap + PCI_X_CMD, cmd); + if (pci_write_config_word(dev, cap + PCI_X_CMD, cmd)) + return -EIO; } -out: - return err; + return 0; } EXPORT_SYMBOL(pcix_set_mmrbc); @@ -3007,7 +3017,6 @@ EXPORT_SYMBOL(pcim_pin_device); EXPORT_SYMBOL(pci_disable_device); EXPORT_SYMBOL(pci_find_capability); EXPORT_SYMBOL(pci_bus_find_capability); -EXPORT_SYMBOL(pci_register_set_vga_state); EXPORT_SYMBOL(pci_release_regions); EXPORT_SYMBOL(pci_request_regions); EXPORT_SYMBOL(pci_request_regions_exclusive); @@ -3023,8 +3032,6 @@ EXPORT_SYMBOL(pci_set_mwi); EXPORT_SYMBOL(pci_try_set_mwi); EXPORT_SYMBOL(pci_clear_mwi); EXPORT_SYMBOL_GPL(pci_intx); -EXPORT_SYMBOL(pci_set_dma_mask); -EXPORT_SYMBOL(pci_set_consistent_dma_mask); EXPORT_SYMBOL(pci_assign_resource); EXPORT_SYMBOL(pci_find_parent_resource); EXPORT_SYMBOL(pci_select_bars); diff --git a/drivers/pci/pcie/aer/aer_inject.c b/drivers/pci/pcie/aer/aer_inject.c index 223052b7356..f8f425b8731 100644 --- a/drivers/pci/pcie/aer/aer_inject.c +++ b/drivers/pci/pcie/aer/aer_inject.c @@ -21,6 +21,7 @@ #include <linux/init.h> #include <linux/miscdevice.h> #include <linux/pci.h> +#include <linux/slab.h> #include <linux/fs.h> #include <linux/uaccess.h> #include <linux/stddef.h> diff --git a/drivers/pci/pcie/aer/aerdrv.c b/drivers/pci/pcie/aer/aerdrv.c index 21f215f4daa..7a711ee314b 100644 --- a/drivers/pci/pcie/aer/aerdrv.c +++ b/drivers/pci/pcie/aer/aerdrv.c @@ -25,6 +25,7 @@ #include <linux/interrupt.h> #include <linux/delay.h> #include <linux/pcieport_if.h> +#include <linux/slab.h> #include "aerdrv.h" #include "../../pci.h" @@ -243,11 +244,17 @@ static pci_ers_result_t aer_root_reset(struct pci_dev *dev) /* Assert Secondary Bus Reset */ pci_read_config_word(dev, PCI_BRIDGE_CONTROL, &p2p_ctrl); - p2p_ctrl |= PCI_CB_BRIDGE_CTL_CB_RESET; + p2p_ctrl |= PCI_BRIDGE_CTL_BUS_RESET; pci_write_config_word(dev, PCI_BRIDGE_CONTROL, p2p_ctrl); + /* + * we should send hot reset message for 2ms to allow it time to + * propogate to all downstream ports + */ + msleep(2); + /* De-assert Secondary Bus Reset */ - p2p_ctrl &= ~PCI_CB_BRIDGE_CTL_CB_RESET; + p2p_ctrl &= ~PCI_BRIDGE_CTL_BUS_RESET; pci_write_config_word(dev, PCI_BRIDGE_CONTROL, p2p_ctrl); |