diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-05-09 13:20:04 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-05-09 13:20:04 +0200 |
| commit | 4096e645d85d575e7b6e699f470f5519c34fda5d (patch) | |
| tree | 9cfb8e2c1a816e2f7142d20b79c578fdf69dd2f2 /drivers/firmware/efi/arm-init.c | |
| parent | a0ca97b808c06793fd9dfb69243ce945c9fff501 (diff) | |
| parent | 44549e8f5eea4e0a41b487b63e616cb089922b99 (diff) | |
Merge 4.6-rc7 into staging-next
This fixes some merge issues with some iio drivers that were found in
linux-next.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/firmware/efi/arm-init.c')
| -rw-r--r-- | drivers/firmware/efi/arm-init.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/firmware/efi/arm-init.c b/drivers/firmware/efi/arm-init.c index aa1f743152a2..8714f8c271ba 100644 --- a/drivers/firmware/efi/arm-init.c +++ b/drivers/firmware/efi/arm-init.c @@ -203,7 +203,19 @@ void __init efi_init(void) reserve_regions(); early_memunmap(memmap.map, params.mmap_size); - memblock_mark_nomap(params.mmap & PAGE_MASK, - PAGE_ALIGN(params.mmap_size + - (params.mmap & ~PAGE_MASK))); + + if (IS_ENABLED(CONFIG_ARM)) { + /* + * ARM currently does not allow ioremap_cache() to be called on + * memory regions that are covered by struct page. So remove the + * UEFI memory map from the linear mapping. + */ + memblock_mark_nomap(params.mmap & PAGE_MASK, + PAGE_ALIGN(params.mmap_size + + (params.mmap & ~PAGE_MASK))); + } else { + memblock_reserve(params.mmap & PAGE_MASK, + PAGE_ALIGN(params.mmap_size + + (params.mmap & ~PAGE_MASK))); + } } |