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-rw-r--r--arch/x86/platform/efi/efi-bgrt.c39
1 files changed, 14 insertions, 25 deletions
diff --git a/arch/x86/platform/efi/efi-bgrt.c b/arch/x86/platform/efi/efi-bgrt.c
index 9a52b5c4438f..bf51f4c02562 100644
--- a/arch/x86/platform/efi/efi-bgrt.c
+++ b/arch/x86/platform/efi/efi-bgrt.c
@@ -31,8 +31,7 @@ struct bmp_header {
void __init efi_bgrt_init(void)
{
acpi_status status;
- void __iomem *image;
- bool ioremapped = false;
+ void *image;
struct bmp_header bmp_header;
if (acpi_disabled)
@@ -73,20 +72,14 @@ void __init efi_bgrt_init(void)
return;
}
- image = efi_lookup_mapped_addr(bgrt_tab->image_address);
+ image = early_memremap(bgrt_tab->image_address, sizeof(bmp_header));
if (!image) {
- image = early_ioremap(bgrt_tab->image_address,
- sizeof(bmp_header));
- ioremapped = true;
- if (!image) {
- pr_err("Ignoring BGRT: failed to map image header memory\n");
- return;
- }
+ pr_err("Ignoring BGRT: failed to map image header memory\n");
+ return;
}
- memcpy_fromio(&bmp_header, image, sizeof(bmp_header));
- if (ioremapped)
- early_iounmap(image, sizeof(bmp_header));
+ memcpy(&bmp_header, image, sizeof(bmp_header));
+ early_memunmap(image, sizeof(bmp_header));
bgrt_image_size = bmp_header.size;
bgrt_image = kmalloc(bgrt_image_size, GFP_KERNEL | __GFP_NOWARN);
@@ -96,18 +89,14 @@ void __init efi_bgrt_init(void)
return;
}
- if (ioremapped) {
- image = early_ioremap(bgrt_tab->image_address,
- bmp_header.size);
- if (!image) {
- pr_err("Ignoring BGRT: failed to map image memory\n");
- kfree(bgrt_image);
- bgrt_image = NULL;
- return;
- }
+ image = early_memremap(bgrt_tab->image_address, bmp_header.size);
+ if (!image) {
+ pr_err("Ignoring BGRT: failed to map image memory\n");
+ kfree(bgrt_image);
+ bgrt_image = NULL;
+ return;
}
- memcpy_fromio(bgrt_image, image, bgrt_image_size);
- if (ioremapped)
- early_iounmap(image, bmp_header.size);
+ memcpy(bgrt_image, image, bgrt_image_size);
+ early_memunmap(image, bmp_header.size);
}
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