DMA: shdma: switch to managed resource allocation

Switch shdma to using devm_* managed functions for allocation of memory,
requesting IRQs, mapping IO resources etc.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

1 files changed, 2 insertions, 9 deletions

diff --git a/drivers/dma/sh/shdma-base.c b/drivers/dma/sh/shdma-base.c
index 28ca36121631..c5ea256c2819 100644
--- a/drivers/dma/sh/shdma-base.c
+++ b/drivers/dma/sh/shdma-base.c
@@ -831,8 +831,8 @@ static irqreturn_t chan_irqt(int irq, void *dev)
 int shdma_request_irq(struct shdma_chan *schan, int irq,
                            unsigned long flags, const char *name)
 {
-        int ret = request_threaded_irq(irq, chan_irq, chan_irqt,
-                                       flags, name, schan);
+        int ret = devm_request_threaded_irq(schan->dev, irq, chan_irq,
+                                            chan_irqt, flags, name, schan);
 
         schan->irq = ret < 0 ? ret : irq;
 
@@ -840,13 +840,6 @@ int shdma_request_irq(struct shdma_chan *schan, int irq,
 }
 EXPORT_SYMBOL(shdma_request_irq);
 
-void shdma_free_irq(struct shdma_chan *schan)
-{
-        if (schan->irq >= 0)
-                free_irq(schan->irq, schan);
-}
-EXPORT_SYMBOL(shdma_free_irq);
-
 void shdma_chan_probe(struct shdma_dev *sdev,
                            struct shdma_chan *schan, int id)
 {