dma: shdma: add checking the DMAOR_AE in sh_dmae_err
The irq numbers of tranfer end and address error are assigned same number
on some CPU. So the sh_dmae_err() should check the AE flag in DMAOR.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/drivers/dma/shdma.c b/drivers/dma/shdma.c
index 6451b58..d50da41 100644
--- a/drivers/dma/shdma.c
+++ b/drivers/dma/shdma.c
@@ -865,7 +865,12 @@
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)