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>
{
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);