diff options
Diffstat (limited to 'arch/x86/pci')
| -rw-r--r-- | arch/x86/pci/acpi.c | 56 | ||||
| -rw-r--r-- | arch/x86/pci/common.c | 10 | ||||
| -rw-r--r-- | arch/x86/pci/irq.c | 81 | ||||
| -rw-r--r-- | arch/x86/pci/mmconfig-shared.c | 250 | ||||
| -rw-r--r-- | arch/x86/pci/mmconfig_32.c | 11 | ||||
| -rw-r--r-- | arch/x86/pci/mmconfig_64.c | 67 | ||||
| -rw-r--r-- | arch/x86/pci/numachip.c | 1 |
7 files changed, 94 insertions, 382 deletions
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c index 3cd69832d7f4..c4d79d2e35f5 100644 --- a/arch/x86/pci/acpi.c +++ b/arch/x86/pci/acpi.c @@ -5,17 +5,13 @@ #include <linux/dmi.h> #include <linux/slab.h> #include <linux/pci-acpi.h> +#include <linux/ecam.h> #include <asm/numa.h> #include <asm/pci_x86.h> struct pci_root_info { struct acpi_pci_root_info common; struct pci_sysdata sd; -#ifdef CONFIG_PCI_MMCONFIG - bool mcfg_added; - u8 start_bus; - u8 end_bus; -#endif }; static bool pci_use_crs = true; @@ -179,16 +175,13 @@ static int check_segment(u16 seg, struct device *dev, char *estr) static int setup_mcfg_map(struct acpi_pci_root_info *ci) { - int result, seg; - struct pci_root_info *info; + int result, seg, start, end; struct acpi_pci_root *root = ci->root; struct device *dev = &ci->bridge->dev; - info = container_of(ci, struct pci_root_info, common); - info->start_bus = (u8)root->secondary.start; - info->end_bus = (u8)root->secondary.end; - info->mcfg_added = false; - seg = info->sd.domain; + seg = root->segment; + start = root->secondary.start; + end = root->secondary.end; /* return success if MMCFG is not in use */ if (raw_pci_ext_ops && raw_pci_ext_ops != &pci_mmcfg) @@ -197,40 +190,22 @@ static int setup_mcfg_map(struct acpi_pci_root_info *ci) if (!(pci_probe & PCI_PROBE_MMCONF)) return check_segment(seg, dev, "MMCONFIG is disabled,"); - result = pci_mmconfig_insert(dev, seg, info->start_bus, info->end_bus, - root->mcfg_addr); + result = pci_mmconfig_insert(dev, seg, start, end, root->mcfg_addr); if (result == 0) { /* enable MMCFG if it hasn't been enabled yet */ if (raw_pci_ext_ops == NULL) raw_pci_ext_ops = &pci_mmcfg; - info->mcfg_added = true; } else if (result != -EEXIST) return check_segment(seg, dev, "fail to add MMCONFIG information,"); return 0; } - -static void teardown_mcfg_map(struct acpi_pci_root_info *ci) -{ - struct pci_root_info *info; - - info = container_of(ci, struct pci_root_info, common); - if (info->mcfg_added) { - pci_mmconfig_delete(info->sd.domain, - info->start_bus, info->end_bus); - info->mcfg_added = false; - } -} #else static int setup_mcfg_map(struct acpi_pci_root_info *ci) { return 0; } - -static void teardown_mcfg_map(struct acpi_pci_root_info *ci) -{ -} #endif static int pci_acpi_root_get_node(struct acpi_pci_root *root) @@ -258,7 +233,7 @@ static int pci_acpi_root_init_info(struct acpi_pci_root_info *ci) static void pci_acpi_root_release_info(struct acpi_pci_root_info *ci) { - teardown_mcfg_map(ci); + pci_mmcfg_teardown_map(ci); kfree(container_of(ci, struct pci_root_info, common)); } @@ -340,7 +315,6 @@ struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root) struct pci_sysdata sd = { .domain = domain, .node = node, - .companion = root->device }; memcpy(bus->sysdata, &sd, sizeof(sd)); @@ -355,7 +329,6 @@ struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root) else { info->sd.domain = domain; info->sd.node = node; - info->sd.companion = root->device; bus = acpi_pci_root_create(root, &acpi_pci_root_ops, &info->common, &info->sd); } @@ -373,21 +346,6 @@ struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root) return bus; } -int pcibios_root_bridge_prepare(struct pci_host_bridge *bridge) -{ - /* - * We pass NULL as parent to pci_create_root_bus(), so if it is not NULL - * here, pci_create_root_bus() has been called by someone else and - * sysdata is likely to be different from what we expect. Let it go in - * that case. - */ - if (!bridge->dev.parent) { - struct pci_sysdata *sd = bridge->bus->sysdata; - ACPI_COMPANION_SET(&bridge->dev, sd->companion); - } - return 0; -} - int __init pci_acpi_init(void) { struct pci_dev *dev = NULL; diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c index eccd4d99e6a4..ed3236dfcb43 100644 --- a/arch/x86/pci/common.c +++ b/arch/x86/pci/common.c @@ -171,16 +171,6 @@ void pcibios_fixup_bus(struct pci_bus *b) pcibios_fixup_device_resources(dev); } -void pcibios_add_bus(struct pci_bus *bus) -{ - acpi_pci_add_bus(bus); -} - -void pcibios_remove_bus(struct pci_bus *bus) -{ - acpi_pci_remove_bus(bus); -} - /* * Only use DMI information to set this if nothing was passed * on the kernel command line (which was parsed earlier). diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c index 32e70343e6fd..cc62226529d8 100644 --- a/arch/x86/pci/irq.c +++ b/arch/x86/pci/irq.c @@ -876,9 +876,8 @@ static struct irq_info *pirq_get_info(struct pci_dev *dev) return NULL; } -static int pcibios_lookup_irq(struct pci_dev *dev, int assign) +static int pcibios_lookup_irq(struct pci_dev *dev, u8 pin, int assign) { - u8 pin; struct irq_info *info; int i, pirq, newirq; int irq = 0; @@ -888,7 +887,6 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign) char *msg = NULL; /* Find IRQ pin */ - pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin); if (!pin) { dev_dbg(&dev->dev, "no interrupt pin\n"); return 0; @@ -1021,47 +1019,38 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign) return 1; } -void __init pcibios_fixup_irqs(void) +int pcibios_fixup_irq(struct pci_dev *dev, u8 pin) { - struct pci_dev *dev = NULL; - u8 pin; - + int irq = dev->irq; DBG(KERN_DEBUG "PCI: IRQ fixup\n"); - for_each_pci_dev(dev) { - /* - * If the BIOS has set an out of range IRQ number, just - * ignore it. Also keep track of which IRQ's are - * already in use. - */ - if (dev->irq >= 16) { - dev_dbg(&dev->dev, "ignoring bogus IRQ %d\n", dev->irq); - dev->irq = 0; - } - /* - * If the IRQ is already assigned to a PCI device, - * ignore its ISA use penalty - */ - if (pirq_penalty[dev->irq] >= 100 && - pirq_penalty[dev->irq] < 100000) - pirq_penalty[dev->irq] = 0; - pirq_penalty[dev->irq]++; + /* + * If the BIOS has set an out of range IRQ number, just + * ignore it. Also keep track of which IRQ's are + * already in use. + */ + if (irq >= 16) { + dev_dbg(&dev->dev, "ignoring bogus IRQ %d\n", irq); + irq = 0; } + /* + * If the IRQ is already assigned to a PCI device, + * ignore its ISA use penalty + */ + if (pirq_penalty[irq] >= 100 && + pirq_penalty[irq] < 100000) + pirq_penalty[irq] = 0; + pirq_penalty[irq]++; - if (io_apic_assign_pci_irqs) - return; + if (io_apic_assign_pci_irqs || !pin) + return irq; - dev = NULL; - for_each_pci_dev(dev) { - pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin); - if (!pin) - continue; + /* + * Still no IRQ? Try to lookup one... + */ + if (!irq && pcibios_lookup_irq(dev, pin, 0)) + irq = dev->irq; - /* - * Still no IRQ? Try to lookup one... - */ - if (!dev->irq) - pcibios_lookup_irq(dev, 0); - } + return irq; } /* @@ -1162,6 +1151,12 @@ void __init pcibios_irq_init(void) } } +int pcibios_root_bridge_prepare(struct pci_host_bridge *bridge) +{ + bridge->map_irq = pci_map_irq; + return 0; +} + static void pirq_penalize_isa_irq(int irq, int active) { /* @@ -1186,12 +1181,20 @@ void pcibios_penalize_isa_irq(int irq, int active) pirq_penalize_isa_irq(irq, active); } +int pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin) +{ + dev->irq = pcibios_fixup_irq(dev, pin); + if (pcibios_enable_irq(dev)) + return -1; + return dev->irq; +} + static int pirq_enable_irq(struct pci_dev *dev) { u8 pin = 0; pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin); - if (pin && !pcibios_lookup_irq(dev, 1)) { + if (pin && !pcibios_lookup_irq(dev, pin, 1)) { char *msg = ""; if (!io_apic_assign_pci_irqs && dev->irq) diff --git a/arch/x86/pci/mmconfig-shared.c b/arch/x86/pci/mmconfig-shared.c index dd30b7e08bc2..980f3040530e 100644 --- a/arch/x86/pci/mmconfig-shared.c +++ b/arch/x86/pci/mmconfig-shared.c @@ -18,6 +18,7 @@ #include <linux/slab.h> #include <linux/mutex.h> #include <linux/rculist.h> +#include <linux/ecam.h> #include <asm/e820.h> #include <asm/pci_x86.h> #include <asm/acpi.h> @@ -27,103 +28,11 @@ /* Indicate if the mmcfg resources have been placed into the resource table. */ static bool pci_mmcfg_running_state; static bool pci_mmcfg_arch_init_failed; -static DEFINE_MUTEX(pci_mmcfg_lock); -LIST_HEAD(pci_mmcfg_list); - -static void __init pci_mmconfig_remove(struct pci_mmcfg_region *cfg) -{ - if (cfg->res.parent) - release_resource(&cfg->res); - list_del(&cfg->list); - kfree(cfg); -} - -static void __init free_all_mmcfg(void) -{ - struct pci_mmcfg_region *cfg, *tmp; - - pci_mmcfg_arch_free(); - list_for_each_entry_safe(cfg, tmp, &pci_mmcfg_list, list) - pci_mmconfig_remove(cfg); -} - -static void list_add_sorted(struct pci_mmcfg_region *new) -{ - struct pci_mmcfg_region *cfg; - - /* keep list sorted by segment and starting bus number */ - list_for_each_entry_rcu(cfg, &pci_mmcfg_list, list) { - if (cfg->segment > new->segment || - (cfg->segment == new->segment && - cfg->start_bus >= new->start_bus)) { - list_add_tail_rcu(&new->list, &cfg->list); - return; - } - } - list_add_tail_rcu(&new->list, &pci_mmcfg_list); -} - -static struct pci_mmcfg_region *pci_mmconfig_alloc(int segment, int start, - int end, u64 addr) -{ - struct pci_mmcfg_region *new; - struct resource *res; - - if (addr == 0) - return NULL; - - new = kzalloc(sizeof(*new), GFP_KERNEL); - if (!new) - return NULL; - - new->address = addr; - new->segment = segment; - new->start_bus = start; - new->end_bus = end; - - res = &new->res; - res->start = addr + PCI_MMCFG_BUS_OFFSET(start); - res->end = addr + PCI_MMCFG_BUS_OFFSET(end + 1) - 1; - res->flags = IORESOURCE_MEM | IORESOURCE_BUSY; - snprintf(new->name, PCI_MMCFG_RESOURCE_NAME_LEN, - "PCI MMCONFIG %04x [bus %02x-%02x]", segment, start, end); - res->name = new->name; - - return new; -} - -static struct pci_mmcfg_region *__init pci_mmconfig_add(int segment, int start, - int end, u64 addr) -{ - struct pci_mmcfg_region *new; - - new = pci_mmconfig_alloc(segment, start, end, addr); - if (new) { - mutex_lock(&pci_mmcfg_lock); - list_add_sorted(new); - mutex_unlock(&pci_mmcfg_lock); - - pr_info(PREFIX - "MMCONFIG for domain %04x [bus %02x-%02x] at %pR " - "(base %#lx)\n", - segment, start, end, &new->res, (unsigned long)addr); - } - - return new; -} - -struct pci_mmcfg_region *pci_mmconfig_lookup(int segment, int bus) -{ - struct pci_mmcfg_region *cfg; - - list_for_each_entry_rcu(cfg, &pci_mmcfg_list, list) - if (cfg->segment == segment && - cfg->start_bus <= bus && bus <= cfg->end_bus) - return cfg; - - return NULL; -} +const struct pci_raw_ops pci_mmcfg = { + .read = pci_mmcfg_read, + .write = pci_mmcfg_write, +}; static const char *__init pci_mmcfg_e7520(void) { @@ -543,8 +452,8 @@ static void __init pci_mmcfg_reject_broken(int early) } } -static int __init acpi_mcfg_check_entry(struct acpi_table_mcfg *mcfg, - struct acpi_mcfg_allocation *cfg) +int __init acpi_mcfg_check_entry(struct acpi_table_mcfg *mcfg, + struct acpi_mcfg_allocation *cfg) { int year; @@ -566,50 +475,6 @@ static int __init acpi_mcfg_check_entry(struct acpi_table_mcfg *mcfg, return -EINVAL; } -static int __init pci_parse_mcfg(struct acpi_table_header *header) -{ - struct acpi_table_mcfg *mcfg; - struct acpi_mcfg_allocation *cfg_table, *cfg; - unsigned long i; - int entries; - - if (!header) - return -EINVAL; - - mcfg = (struct acpi_table_mcfg *)header; - - /* how many config structures do we have */ - free_all_mmcfg(); - entries = 0; - i = header->length - sizeof(struct acpi_table_mcfg); - while (i >= sizeof(struct acpi_mcfg_allocation)) { - entries++; - i -= sizeof(struct acpi_mcfg_allocation); - } - if (entries == 0) { - pr_err(PREFIX "MMCONFIG has no entries\n"); - return -ENODEV; - } - - cfg_table = (struct acpi_mcfg_allocation *) &mcfg[1]; - for (i = 0; i < entries; i++) { - cfg = &cfg_table[i]; - if (acpi_mcfg_check_entry(mcfg, cfg)) { - free_all_mmcfg(); - return -ENODEV; - } - - if (pci_mmconfig_add(cfg->pci_segment, cfg->start_bus_number, - cfg->end_bus_number, cfg->address) == NULL) { - pr_warn(PREFIX "no memory for MCFG entries\n"); - free_all_mmcfg(); - return -ENOMEM; - } - } - - return 0; -} - #ifdef CONFIG_ACPI_APEI extern int (*arch_apei_filter_addr)(int (*func)(__u64 start, __u64 size, void *data), void *data); @@ -652,9 +517,10 @@ static void __init __pci_mmcfg_init(int early) } } - if (pci_mmcfg_arch_init()) + if (pci_mmcfg_arch_init()) { + raw_pci_ext_ops = &pci_mmcfg; pci_probe = (pci_probe & ~PCI_PROBE_MASK) | PCI_PROBE_MMCONF; - else { + } else { free_all_mmcfg(); pci_mmcfg_arch_init_failed = true; } @@ -668,7 +534,7 @@ void __init pci_mmcfg_early_init(void) if (pci_mmcfg_check_hostbridge()) known_bridge = 1; else - acpi_sfi_table_parse(ACPI_SIG_MCFG, pci_parse_mcfg); + acpi_sfi_table_parse(ACPI_SIG_MCFG, acpi_parse_mcfg); __pci_mmcfg_init(1); set_apei_filter(); @@ -686,7 +552,7 @@ void __init pci_mmcfg_late_init(void) /* MMCONFIG hasn't been enabled yet, try again */ if (pci_probe & PCI_PROBE_MASK & ~PCI_PROBE_MMCONF) { - acpi_sfi_table_parse(ACPI_SIG_MCFG, pci_parse_mcfg); + acpi_sfi_table_parse(ACPI_SIG_MCFG, acpi_parse_mcfg); __pci_mmcfg_init(0); } } @@ -734,85 +600,45 @@ int pci_mmconfig_insert(struct device *dev, u16 seg, u8 start, u8 end, if (start > end) return -EINVAL; - mutex_lock(&pci_mmcfg_lock); + rcu_read_lock(); cfg = pci_mmconfig_lookup(seg, start); - if (cfg) { - if (cfg->end_bus < end) - dev_info(dev, FW_INFO - "MMCONFIG for " - "domain %04x [bus %02x-%02x] " - "only partially covers this bridge\n", - cfg->segment, cfg->start_bus, cfg->end_bus); - mutex_unlock(&pci_mmcfg_lock); + rcu_read_unlock(); + if (cfg) return -EEXIST; - } - if (!addr) { - mutex_unlock(&pci_mmcfg_lock); + if (!addr) return -EINVAL; - } - rc = -EBUSY; cfg = pci_mmconfig_alloc(seg, start, end, addr); - if (cfg == NULL) { + if (!cfg) { dev_warn(dev, "fail to add MMCONFIG (out of memory)\n"); - rc = -ENOMEM; - } else if (!pci_mmcfg_check_reserved(dev, cfg, 0)) { + return -ENOMEM; + } + + rc = -EBUSY; + if (!pci_mmcfg_check_reserved(dev, cfg, 0)) { dev_warn(dev, FW_BUG "MMCONFIG %pR isn't reserved\n", &cfg->res); - } else { - /* Insert resource if it's not in boot stage */ - if (pci_mmcfg_running_state) - tmp = insert_resource_conflict(&iomem_resource, - &cfg->res); - - if (tmp) { - dev_warn(dev, - "MMCONFIG %pR conflicts with " - "%s %pR\n", - &cfg->res, tmp->name, tmp); - } else if (pci_mmcfg_arch_map(cfg)) { - dev_warn(dev, "fail to map MMCONFIG %pR.\n", - &cfg->res); - } else { - list_add_sorted(cfg); - dev_info(dev, "MMCONFIG at %pR (base %#lx)\n", - &cfg->res, (unsigned long)addr); - cfg = NULL; - rc = 0; - } + goto error; } - if (cfg) { - if (cfg->res.parent) - release_resource(&cfg->res); - kfree(cfg); + /* Insert resource if it's not in boot stage */ + if (pci_mmcfg_running_state) + tmp = insert_resource_conflict(&iomem_resource, &cfg->res); + + if (tmp) { + dev_warn(dev, "MMCONFIG %pR conflicts with %s %pR\n", + &cfg->res, tmp->name, tmp); + goto error; } - mutex_unlock(&pci_mmcfg_lock); + rc = pci_mmconfig_inject(cfg); + if (!rc) + return 0; +error: + if (cfg->res.parent) + release_resource(&cfg->res); + kfree(cfg); return rc; } - -/* Delete MMCFG information for host bridges */ -int pci_mmconfig_delete(u16 seg, u8 start, u8 end) -{ - struct pci_mmcfg_region *cfg; - - mutex_lock(&pci_mmcfg_lock); - list_for_each_entry_rcu(cfg, &pci_mmcfg_list, list) - if (cfg->segment == seg && cfg->start_bus == start && - cfg->end_bus == end) { - list_del_rcu(&cfg->list); - synchronize_rcu(); - pci_mmcfg_arch_unmap(cfg); - if (cfg->res.parent) - release_resource(&cfg->res); - mutex_unlock(&pci_mmcfg_lock); - kfree(cfg); - return 0; - } - mutex_unlock(&pci_mmcfg_lock); - - return -ENOENT; -} diff --git a/arch/x86/pci/mmconfig_32.c b/arch/x86/pci/mmconfig_32.c index 43984bc1665a..2ded56f091a7 100644 --- a/arch/x86/pci/mmconfig_32.c +++ b/arch/x86/pci/mmconfig_32.c @@ -12,6 +12,7 @@ #include <linux/pci.h> #include <linux/init.h> #include <linux/rcupdate.h> +#include <linux/ecam.h> #include <asm/e820.h> #include <asm/pci_x86.h> @@ -49,7 +50,7 @@ static void pci_exp_set_dev_base(unsigned int base, int bus, int devfn) } } -static int pci_mmcfg_read(unsigned int seg, unsigned int bus, +int pci_mmcfg_read(unsigned int seg, unsigned int bus, unsigned int devfn, int reg, int len, u32 *value) { unsigned long flags; @@ -88,7 +89,7 @@ err: *value = -1; return 0; } -static int pci_mmcfg_write(unsigned int seg, unsigned int bus, +int pci_mmcfg_write(unsigned int seg, unsigned int bus, unsigned int devfn, int reg, int len, u32 value) { unsigned long flags; @@ -125,15 +126,9 @@ static int pci_mmcfg_write(unsigned int seg, unsigned int bus, return 0; } -const struct pci_raw_ops pci_mmcfg = { - .read = pci_mmcfg_read, - .write = pci_mmcfg_write, -}; - int __init pci_mmcfg_arch_init(void) { printk(KERN_INFO "PCI: Using MMCONFIG for extended config space\n"); - raw_pci_ext_ops = &pci_mmcfg; return 1; } diff --git a/arch/x86/pci/mmconfig_64.c b/arch/x86/pci/mmconfig_64.c index bea52496aea6..fd356cc0a43c 100644 --- a/arch/x86/pci/mmconfig_64.c +++ b/arch/x86/pci/mmconfig_64.c @@ -10,6 +10,7 @@ #include <linux/acpi.h> #include <linux/bitmap.h> #include <linux/rcupdate.h> +#include <linux/ecam.h> #include <asm/e820.h> #include <asm/pci_x86.h> @@ -24,7 +25,7 @@ static char __iomem *pci_dev_base(unsigned int seg, unsigned int bus, unsigned i return NULL; } -static int pci_mmcfg_read(unsigned int seg, unsigned int bus, +int pci_mmcfg_read(unsigned int seg, unsigned int bus, unsigned int devfn, int reg, int len, u32 *value) { char __iomem *addr; @@ -58,7 +59,7 @@ err: *value = -1; return 0; } -static int pci_mmcfg_write(unsigned int seg, unsigned int bus, +int pci_mmcfg_write(unsigned int seg, unsigned int bus, unsigned int devfn, int reg, int len, u32 value) { char __iomem *addr; @@ -89,65 +90,3 @@ static int pci_mmcfg_write(unsigned int seg, unsigned int bus, return 0; } - -const struct pci_raw_ops pci_mmcfg = { - .read = pci_mmcfg_read, - .write = pci_mmcfg_write, -}; - -static void __iomem *mcfg_ioremap(struct pci_mmcfg_region *cfg) -{ - void __iomem *addr; - u64 start, size; - int num_buses; - - start = cfg->address + PCI_MMCFG_BUS_OFFSET(cfg->start_bus); - num_buses = cfg->end_bus - cfg->start_bus + 1; - size = PCI_MMCFG_BUS_OFFSET(num_buses); - addr = ioremap_nocache(start, size); - if (addr) - addr -= PCI_MMCFG_BUS_OFFSET(cfg->start_bus); - return addr; -} - -int __init pci_mmcfg_arch_init(void) -{ - struct pci_mmcfg_region *cfg; - - list_for_each_entry(cfg, &pci_mmcfg_list, list) - if (pci_mmcfg_arch_map(cfg)) { - pci_mmcfg_arch_free(); - return 0; - } - - raw_pci_ext_ops = &pci_mmcfg; - - return 1; -} - -void __init pci_mmcfg_arch_free(void) -{ - struct pci_mmcfg_region *cfg; - - list_for_each_entry(cfg, &pci_mmcfg_list, list) - pci_mmcfg_arch_unmap(cfg); -} - -int pci_mmcfg_arch_map(struct pci_mmcfg_region *cfg) -{ - cfg->virt = mcfg_ioremap(cfg); - if (!cfg->virt) { - pr_err(PREFIX "can't map MMCONFIG at %pR\n", &cfg->res); - return -ENOMEM; - } - - return 0; -} - -void pci_mmcfg_arch_unmap(struct pci_mmcfg_region *cfg) -{ - if (cfg && cfg->virt) { - iounmap(cfg->virt + PCI_MMCFG_BUS_OFFSET(cfg->start_bus)); - cfg->virt = NULL; - } -} diff --git a/arch/x86/pci/numachip.c b/arch/x86/pci/numachip.c index 2e565e65c893..55fbd18e22e5 100644 --- a/arch/x86/pci/numachip.c +++ b/arch/x86/pci/numachip.c @@ -13,6 +13,7 @@ * */ +#include <linux/ecam.h> #include <linux/pci.h> #include <asm/pci_x86.h> |