Free the channel lock before calling __cpdma_chan_process to prevent dead lock.
Signed-off-by: Ilya Yanok <[email protected]> --- drivers/net/ethernet/ti/davinci_cpdma.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/drivers/net/ethernet/ti/davinci_cpdma.c b/drivers/net/ethernet/ti/davinci_cpdma.c index dca9d33..c97d2f5 100644 --- a/drivers/net/ethernet/ti/davinci_cpdma.c +++ b/drivers/net/ethernet/ti/davinci_cpdma.c @@ -836,11 +836,13 @@ int cpdma_chan_stop(struct cpdma_chan *chan) chan_write(chan, cp, CPDMA_TEARDOWN_VALUE); /* handle completed packets */ + spin_unlock_irqrestore(&chan->lock, flags); do { ret = __cpdma_chan_process(chan); if (ret < 0) break; } while ((ret & CPDMA_DESC_TD_COMPLETE) == 0); + spin_lock_irqsave(&chan->lock, flags); /* remaining packets haven't been tx/rx'ed, clean them up */ while (chan->head) { -- 1.7.6.4 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
