diff options
Diffstat (limited to 'drivers/acpi/apei/apei-base.c')
| -rw-r--r-- | drivers/acpi/apei/apei-base.c | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/drivers/acpi/apei/apei-base.c b/drivers/acpi/apei/apei-base.c index 2cd7bdd6c8b3..a85ac07f3da3 100644 --- a/drivers/acpi/apei/apei-base.c +++ b/drivers/acpi/apei/apei-base.c @@ -449,7 +449,7 @@ int apei_resources_sub(struct apei_resources *resources1, } EXPORT_SYMBOL_GPL(apei_resources_sub); -static int apei_get_nvs_callback(__u64 start, __u64 size, void *data) +static int apei_get_res_callback(__u64 start, __u64 size, void *data) { struct apei_resources *resources = data; return apei_res_add(&resources->iomem, start, size); @@ -457,7 +457,15 @@ static int apei_get_nvs_callback(__u64 start, __u64 size, void *data) static int apei_get_nvs_resources(struct apei_resources *resources) { - return acpi_nvs_for_each_region(apei_get_nvs_callback, resources); + return acpi_nvs_for_each_region(apei_get_res_callback, resources); +} + +int (*arch_apei_filter_addr)(int (*func)(__u64 start, __u64 size, + void *data), void *data); +static int apei_get_arch_resources(struct apei_resources *resources) + +{ + return arch_apei_filter_addr(apei_get_res_callback, resources); } /* @@ -470,7 +478,7 @@ int apei_resources_request(struct apei_resources *resources, { struct apei_res *res, *res_bak = NULL; struct resource *r; - struct apei_resources nvs_resources; + struct apei_resources nvs_resources, arch_res; int rc; rc = apei_resources_sub(resources, &apei_resources_all); @@ -485,10 +493,20 @@ int apei_resources_request(struct apei_resources *resources, apei_resources_init(&nvs_resources); rc = apei_get_nvs_resources(&nvs_resources); if (rc) - goto res_fini; + goto nvs_res_fini; rc = apei_resources_sub(resources, &nvs_resources); if (rc) - goto res_fini; + goto nvs_res_fini; + + if (arch_apei_filter_addr) { + apei_resources_init(&arch_res); + rc = apei_get_arch_resources(&arch_res); + if (rc) + goto arch_res_fini; + rc = apei_resources_sub(resources, &arch_res); + if (rc) + goto arch_res_fini; + } rc = -EINVAL; list_for_each_entry(res, &resources->iomem, list) { @@ -536,7 +554,9 @@ err_unmap_iomem: break; release_mem_region(res->start, res->end - res->start); } -res_fini: +arch_res_fini: + apei_resources_fini(&arch_res); +nvs_res_fini: apei_resources_fini(&nvs_resources); return rc; } |