diff options
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/acpi_pad.c | 1 | ||||
| -rw-r--r-- | drivers/acpi/apei/bert.c | 20 | ||||
| -rw-r--r-- | drivers/acpi/apei/ghes.c | 1 | ||||
| -rw-r--r-- | drivers/acpi/internal.h | 2 | ||||
| -rw-r--r-- | drivers/acpi/ioapic.c | 22 | ||||
| -rw-r--r-- | drivers/acpi/nfit/core.c | 16 | ||||
| -rw-r--r-- | drivers/acpi/pci_root.c | 4 |
7 files changed, 49 insertions, 17 deletions
diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c index eb76a4c10dbf..754431031282 100644 --- a/drivers/acpi/acpi_pad.c +++ b/drivers/acpi/acpi_pad.c @@ -20,6 +20,7 @@ #include <linux/init.h> #include <linux/types.h> #include <linux/kthread.h> +#include <uapi/linux/sched/types.h> #include <linux/freezer.h> #include <linux/cpu.h> #include <linux/tick.h> diff --git a/drivers/acpi/apei/bert.c b/drivers/acpi/apei/bert.c index a05b5c0cf181..12771fcf0417 100644 --- a/drivers/acpi/apei/bert.c +++ b/drivers/acpi/apei/bert.c @@ -97,6 +97,7 @@ static int __init bert_check_table(struct acpi_table_bert *bert_tab) static int __init bert_init(void) { + struct apei_resources bert_resources; struct acpi_bert_region *boot_error_region; struct acpi_table_bert *bert_tab; unsigned int region_len; @@ -127,13 +128,14 @@ static int __init bert_init(void) } region_len = bert_tab->region_length; - if (!request_mem_region(bert_tab->address, region_len, "APEI BERT")) { - pr_err("Can't request iomem region <%016llx-%016llx>.\n", - (unsigned long long)bert_tab->address, - (unsigned long long)bert_tab->address + region_len - 1); - return -EIO; - } - + apei_resources_init(&bert_resources); + rc = apei_resources_add(&bert_resources, bert_tab->address, + region_len, true); + if (rc) + return rc; + rc = apei_resources_request(&bert_resources, "APEI BERT"); + if (rc) + goto out_fini; boot_error_region = ioremap_cache(bert_tab->address, region_len); if (boot_error_region) { bert_print_all(boot_error_region, region_len); @@ -142,7 +144,9 @@ static int __init bert_init(void) rc = -ENOMEM; } - release_mem_region(bert_tab->address, region_len); + apei_resources_release(&bert_resources); +out_fini: + apei_resources_fini(&bert_resources); return rc; } diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c index e53bef6cf53c..b192b42a8351 100644 --- a/drivers/acpi/apei/ghes.c +++ b/drivers/acpi/apei/ghes.c @@ -44,6 +44,7 @@ #include <linux/pci.h> #include <linux/aer.h> #include <linux/nmi.h> +#include <linux/sched/clock.h> #include <acpi/ghes.h> #include <acpi/apei.h> diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h index 219b90bc0922..f15900132912 100644 --- a/drivers/acpi/internal.h +++ b/drivers/acpi/internal.h @@ -41,8 +41,10 @@ void acpi_gpe_apply_masked_gpes(void); void acpi_container_init(void); void acpi_memory_hotplug_init(void); #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC +void pci_ioapic_remove(struct acpi_pci_root *root); int acpi_ioapic_remove(struct acpi_pci_root *root); #else +static inline void pci_ioapic_remove(struct acpi_pci_root *root) { return; } static inline int acpi_ioapic_remove(struct acpi_pci_root *root) { return 0; } #endif #ifdef CONFIG_ACPI_DOCK diff --git a/drivers/acpi/ioapic.c b/drivers/acpi/ioapic.c index 6d7ce6e12aaa..1120dfd625b8 100644 --- a/drivers/acpi/ioapic.c +++ b/drivers/acpi/ioapic.c @@ -206,24 +206,34 @@ int acpi_ioapic_add(acpi_handle root_handle) return ACPI_SUCCESS(status) && ACPI_SUCCESS(retval) ? 0 : -ENODEV; } -int acpi_ioapic_remove(struct acpi_pci_root *root) +void pci_ioapic_remove(struct acpi_pci_root *root) { - int retval = 0; struct acpi_pci_ioapic *ioapic, *tmp; mutex_lock(&ioapic_list_lock); list_for_each_entry_safe(ioapic, tmp, &ioapic_list, list) { if (root->device->handle != ioapic->root_handle) continue; - - if (acpi_unregister_ioapic(ioapic->handle, ioapic->gsi_base)) - retval = -EBUSY; - if (ioapic->pdev) { pci_release_region(ioapic->pdev, 0); pci_disable_device(ioapic->pdev); pci_dev_put(ioapic->pdev); } + } + mutex_unlock(&ioapic_list_lock); +} + +int acpi_ioapic_remove(struct acpi_pci_root *root) +{ + int retval = 0; + struct acpi_pci_ioapic *ioapic, *tmp; + + mutex_lock(&ioapic_list_lock); + list_for_each_entry_safe(ioapic, tmp, &ioapic_list, list) { + if (root->device->handle != ioapic->root_handle) + continue; + if (acpi_unregister_ioapic(ioapic->handle, ioapic->gsi_base)) + retval = -EBUSY; if (ioapic->res.flags && ioapic->res.parent) release_resource(&ioapic->res); list_del(&ioapic->list); diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c index 7361d00818e2..662036bdc65e 100644 --- a/drivers/acpi/nfit/core.c +++ b/drivers/acpi/nfit/core.c @@ -1603,7 +1603,7 @@ static size_t sizeof_nfit_set_info(int num_mappings) + num_mappings * sizeof(struct nfit_set_info_map); } -static int cmp_map(const void *m0, const void *m1) +static int cmp_map_compat(const void *m0, const void *m1) { const struct nfit_set_info_map *map0 = m0; const struct nfit_set_info_map *map1 = m1; @@ -1612,6 +1612,14 @@ static int cmp_map(const void *m0, const void *m1) sizeof(u64)); } +static int cmp_map(const void *m0, const void *m1) +{ + const struct nfit_set_info_map *map0 = m0; + const struct nfit_set_info_map *map1 = m1; + + return map0->region_offset - map1->region_offset; +} + /* Retrieve the nth entry referencing this spa */ static struct acpi_nfit_memory_map *memdev_from_spa( struct acpi_nfit_desc *acpi_desc, u16 range_index, int n) @@ -1667,6 +1675,12 @@ static int acpi_nfit_init_interleave_set(struct acpi_nfit_desc *acpi_desc, sort(&info->mapping[0], nr, sizeof(struct nfit_set_info_map), cmp_map, NULL); nd_set->cookie = nd_fletcher64(info, sizeof_nfit_set_info(nr), 0); + + /* support namespaces created with the wrong sort order */ + sort(&info->mapping[0], nr, sizeof(struct nfit_set_info_map), + cmp_map_compat, NULL); + nd_set->altcookie = nd_fletcher64(info, sizeof_nfit_set_info(nr), 0); + ndr_desc->nd_set = nd_set; devm_kfree(dev, info); diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index bf601d4df8cf..919be0aa2578 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -648,12 +648,12 @@ static void acpi_pci_root_remove(struct acpi_device *device) pci_stop_root_bus(root->bus); - WARN_ON(acpi_ioapic_remove(root)); - + pci_ioapic_remove(root); device_set_run_wake(root->bus->bridge, false); pci_acpi_remove_bus_pm_notifier(device); pci_remove_root_bus(root->bus); + WARN_ON(acpi_ioapic_remove(root)); dmar_device_remove(device->handle); |
