ich777/linux_media
1
0
Fork 0
mirror of https://github.com/tbsdtv/linux_media.git synced 2025-07-23 20:51:03 +02:00
Code Issues Packages Projects Releases Wiki Activity

dma/direct: turn ARCH_ZONE_DMA_BITS into a variable

Browse Source 
Some architectures, notably ARM, are interested in tweaking this
depending on their runtime DMA addressing limitations.

Acked-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Nicolas Saenz Julienne
2019-10-14 20:31:03 +02:00
committed by Catalin Marinas
parent 4686da5140
commit 8b5369ea58
8 changed files with 31 additions and 27 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
include/linux/dma-direct.h
View File

@@ -5,6 +5,8 @@
#include <linux/dma-mapping.h>
#include <linux/mem_encrypt.h>
extern unsigned int zone_dma_bits;
#ifdef CONFIG_ARCH_HAS_PHYS_TO_DMA
#include <asm/dma-direct.h>
#else