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authorVinod Koul <vinod.koul@intel.com>2016-07-03 00:00:55 +0530
committerVinod Koul <vinod.koul@intel.com>2016-07-16 20:19:02 +0530
commit5bb9dbb5ae0931fa3c6780a45f651755266f9b6d (patch)
tree381151747520b46e52e9c21f57c750b90c180258 /drivers/dma/imx-sdma.c
parent71c6b663492c5da78c94d3405c0e8044b8290d00 (diff)
dmaengine: imx-sdma: explicitly freeup irq
dmaengine device should explicitly call devm_free_irq() when using devm_request_irq(). The irq is still ON when devices remove is executed and irq should be quiesced before remove is completed. Signed-off-by: Vinod Koul <vinod.koul@intel.com> Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Fabio Estevam <fabio.estevam@freescale.com>
Diffstat (limited to 'drivers/dma/imx-sdma.c')
-rw-r--r--drivers/dma/imx-sdma.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index ce865f68a8c7..18bcf556a652 100644
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma/imx-sdma.c
@@ -386,6 +386,7 @@ struct sdma_engine {
const struct sdma_driver_data *drvdata;
u32 spba_start_addr;
u32 spba_end_addr;
+ unsigned int irq;
};
static struct sdma_driver_data sdma_imx31 = {
@@ -1708,6 +1709,8 @@ static int sdma_probe(struct platform_device *pdev)
if (ret)
return ret;
+ sdma->irq = irq;
+
sdma->script_addrs = kzalloc(sizeof(*sdma->script_addrs), GFP_KERNEL);
if (!sdma->script_addrs)
return -ENOMEM;
@@ -1833,6 +1836,7 @@ static int sdma_remove(struct platform_device *pdev)
struct sdma_engine *sdma = platform_get_drvdata(pdev);
int i;
+ devm_free_irq(&pdev->dev, sdma->irq, sdma);
dma_async_device_unregister(&sdma->dma_device);
kfree(sdma->script_addrs);
/* Kill the tasklet */