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alistair23-linux
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Merge branch 'acpi-apei' 

* acpi-apei:
  ACPI: APEI: Fix BERT resources conflict with ACPI NVS area
hifive-unleashed-5.1
Rafael J. Wysocki 2017-03-03 00:45:22 +01:00
parent 43e31e4047 41139ac3cd
commit 0cb3b79efa
1 changed files with 12 additions and 8 deletions
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20
drivers/acpi/apei/bert.c
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@ -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;
}