xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
複製 0
程式碼 問題管理 合併請求 Actions Packages Projects 版本發佈 Wiki Activity

[ARM] Move ISA DMA bus_to_virt() out of set_dma_addr()

瀏覽代碼 
Allow the compiler to optimise the bus_to_virt(virt_to_bus())
transformation in the ARM ISA DMA interface.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King
2006-01-04 14:41:29 +00:00
committed by Russell King
父節點 109a937880
當前提交 333c9624b7
共有 2 個文件被更改，包括 7 次插入 和 5 次删除
Download Patch File Download Diff File Expand all files Collapse all files

8
arch/arm/kernel/dma.c
查看文件

@@ -131,7 +131,7 @@ void set_dma_sg (dmach_t channel, struct scatterlist *sg, int nr_sg)
*
* Copy address to the structure, and set the invalid bit
*/
void set_dma_addr (dmach_t channel, unsigned long physaddr)
void __set_dma_addr (dmach_t channel, void *addr)
{
dma_t *dma = dma_chan + channel;
@@ -141,7 +141,7 @@ void set_dma_addr (dmach_t channel, unsigned long physaddr)
dma->sg = &dma->buf;
dma->sgcount = 1;
dma->buf.__address = bus_to_virt(physaddr);
dma->buf.__address = addr;
dma->using_sg = 0;
dma->invalid = 1;
}
@@ -278,7 +278,7 @@ GLOBAL_ALIAS(get_dma_list, get_dma_residue);
GLOBAL_ALIAS(set_dma_mode, get_dma_residue);
GLOBAL_ALIAS(set_dma_page, get_dma_residue);
GLOBAL_ALIAS(set_dma_count, get_dma_residue);
GLOBAL_ALIAS(set_dma_addr, get_dma_residue);
GLOBAL_ALIAS(__set_dma_addr, get_dma_residue);
GLOBAL_ALIAS(set_dma_sg, get_dma_residue);
GLOBAL_ALIAS(set_dma_speed, get_dma_residue);
GLOBAL_ALIAS(init_dma, get_dma_residue);
@@ -289,7 +289,7 @@ EXPORT_SYMBOL(request_dma);
EXPORT_SYMBOL(free_dma);
EXPORT_SYMBOL(enable_dma);
EXPORT_SYMBOL(disable_dma);
EXPORT_SYMBOL(set_dma_addr);
EXPORT_SYMBOL(__set_dma_addr);
EXPORT_SYMBOL(set_dma_count);
EXPORT_SYMBOL(set_dma_mode);
EXPORT_SYMBOL(set_dma_page);