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Commit 0cb3b79e authored by Rafael J. Wysocki's avatar Rafael J. Wysocki
Browse files

Merge branch 'acpi-apei' 

* acpi-apei:
  ACPI: APEI: Fix BERT resources conflict with ACPI NVS area
parents 43e31e40 41139ac3

drivers/acpi/apei/bert.c

+12 −8
Original line number Diff line number Diff line
@@ -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;

}