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authorNicolas Ferre <nicolas.ferre@atmel.com>2011-04-30 16:57:48 +0200
committerVinod Koul <vinod.koul@intel.com>2011-05-02 15:42:09 +0530
commit2f432823ec6e693d7b934e805ce1838f41d66ce7 (patch)
treed3081ac9ae558e05b18f9df49a9c127bf8dc45de /drivers/dma/at_hdmac.c
parentcc52a10a048fc1fbe4ffba58c2f0afc79ae0f56f (diff)
dmaengine: at_hdmac: remove channel status testing in tasklet
There is no need to test if channel is enabled in tasklet: - in error path, channel is disabled in interrupt routine - in normal path, this test is performed in sub functions to report a misuse of the engine. Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma/at_hdmac.c')
-rw-r--r--drivers/dma/at_hdmac.c7
1 files changed, 0 insertions, 7 deletions
diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
index 8f50a0fb79e7..65bd52a84bc3 100644
--- a/drivers/dma/at_hdmac.c
+++ b/drivers/dma/at_hdmac.c
@@ -472,13 +472,6 @@ static void atc_tasklet(unsigned long data)
{
struct at_dma_chan *atchan = (struct at_dma_chan *)data;
- /* Channel cannot be enabled here */
- if (atc_chan_is_enabled(atchan)) {
- dev_err(chan2dev(&atchan->chan_common),
- "BUG: channel enabled in tasklet\n");
- return;
- }
-
spin_lock(&atchan->lock);
if (test_and_clear_bit(ATC_IS_ERROR, &atchan->status))
atc_handle_error(atchan);