korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-12-04 01:24:12 +08:00
Code Issues Packages Projects Releases Wiki Activity

mpc512x_dma: remove useless use of lock

Browse Source 
Accordingly to dma_cookie_status() description locking is not required.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Andy Shevchenko 2013-05-27 15:14:37 +03:00 committed by Vinod Koul
parent 4aa9fe0a1f
commit 108fae842a
1 changed files with 1 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/dma/mpc512x_dma.c
View File

@ -556,15 +556,7 @@ static enum dma_status
mpc_dma_tx_status(struct dma_chan *chan, dma_cookie_t cookie,
struct dma_tx_state *txstate)
{
struct mpc_dma_chan *mchan = dma_chan_to_mpc_dma_chan(chan);
enum dma_status ret;
unsigned long flags;
spin_lock_irqsave(&mchan->lock, flags);
ret = dma_cookie_status(chan, cookie, txstate);
spin_unlock_irqrestore(&mchan->lock, flags);
return ret;
return dma_cookie_status(chan, cookie, txstate);
}
/* Prepare descriptor for memory to memory copy */