diff options
Diffstat (limited to 'drivers/dma/shdma.c')
| -rw-r--r-- | drivers/dma/shdma.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/dma/shdma.c b/drivers/dma/shdma.c index 28720d3103c..d50da41ac32 100644 --- a/drivers/dma/shdma.c +++ b/drivers/dma/shdma.c @@ -750,7 +750,7 @@ static void sh_chan_xfer_ld_queue(struct sh_dmae_chan *sh_chan) return; } - /* Find the first not transferred desciptor */ + /* Find the first not transferred descriptor */ list_for_each_entry(desc, &sh_chan->ld_queue, node) if (desc->mark == DESC_SUBMITTED) { dev_dbg(sh_chan->dev, "Queue #%d to %d: %u@%x -> %x\n", @@ -865,7 +865,12 @@ static unsigned int sh_dmae_reset(struct sh_dmae_device *shdev) static irqreturn_t sh_dmae_err(int irq, void *data) { - return IRQ_RETVAL(sh_dmae_reset(data)); + struct sh_dmae_device *shdev = data; + + if (dmaor_read(shdev) & DMAOR_AE) + return IRQ_RETVAL(sh_dmae_reset(data)); + else + return IRQ_NONE; } static void dmae_do_tasklet(unsigned long data) |