fsldma: check for NO_IRQ in fsl_dma_chan_remove()
There's no per-channel IRQ on mpc83xx, so only call free_irq if we have one.
Acked-by: Timur Tabi <timur@freescale.com>
Acked-by: Li Yang <leoli@freescale.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index 748e140..b1b45eb 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -890,7 +890,8 @@
static void fsl_dma_chan_remove(struct fsl_dma_chan *fchan)
{
- free_irq(fchan->irq, fchan);
+ if (fchan->irq != NO_IRQ)
+ free_irq(fchan->irq, fchan);
list_del(&fchan->common.device_node);
iounmap(fchan->reg_base);
kfree(fchan);