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dmaengine: at_hdmac: remove channel status testing in tasklet

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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>
This commit is contained in:
Nicolas Ferre 2011-04-30 16:57:48 +02:00 committed by Vinod Koul
parent cc52a10a04
commit 2f432823ec
1 changed files with 0 additions and 7 deletions
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7
drivers/dma/at_hdmac.c
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@ -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);