2011-06-30 07:11:49

by Scott Ellis

[permalink] [raw]
Subject: [PATCH] DMA: OMAP: Remove extra looping from omap_request_dma

Break from dma channel search when a free one is found.

Signed-off-by: Scott Ellis <[email protected]>
---
arch/arm/plat-omap/dma.c | 5 ++---
1 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index c22217c..3d36fcf 100644
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -678,10 +678,9 @@ int omap_request_dma(int dev_id, const char *dev_name,

spin_lock_irqsave(&dma_chan_lock, flags);
for (ch = 0; ch < dma_chan_count; ch++) {
- if (free_ch == -1 && dma_chan[ch].dev_id == -1) {
+ if (dma_chan[ch].dev_id == -1) {
free_ch = ch;
- if (dev_id == 0)
- break;
+ break;
}
}
if (free_ch == -1) {