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authorMaxime Ripard <maxime.ripard@free-electrons.com>2014-10-16 11:01:01 +0200
committerVinod Koul <vinod.koul@intel.com>2014-11-06 11:33:07 +0530
commit1e916474a98eced0c2fd7dfeb13636ddf1e20348 (patch)
tree764136d1c23a174d94a6fcd96ae1d3a5698f5567
parent9aa7171157ef452517056e1368459d6f5b4636aa (diff)
downloadlwn-1e916474a98eced0c2fd7dfeb13636ddf1e20348.tar.gz
lwn-1e916474a98eced0c2fd7dfeb13636ddf1e20348.zip
dmaengine: sh: Remove chancnt affectations
chanctnt is already filled by dma_async_device_register, which uses the channel list to know how much channels there is. Since it's already filled, we can safely remove it from the drivers' probe function. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
-rw-r--r--drivers/dma/sh/rcar-audmapp.c2
-rw-r--r--drivers/dma/sh/rcar-hpbdma.c2
-rw-r--r--drivers/dma/sh/shdma-base.c2
-rw-r--r--drivers/dma/sh/shdmac.c2
-rw-r--r--drivers/dma/sh/sudmac.c2
5 files changed, 1 insertions, 9 deletions
diff --git a/drivers/dma/sh/rcar-audmapp.c b/drivers/dma/sh/rcar-audmapp.c
index 80fd2aeb4870..3db6be7d7c28 100644
--- a/drivers/dma/sh/rcar-audmapp.c
+++ b/drivers/dma/sh/rcar-audmapp.c
@@ -253,7 +253,6 @@ static int audmapp_chan_probe(struct platform_device *pdev,
static void audmapp_chan_remove(struct audmapp_device *audev)
{
- struct dma_device *dma_dev = &audev->shdma_dev.dma_dev;
struct shdma_chan *schan;
int i;
@@ -261,7 +260,6 @@ static void audmapp_chan_remove(struct audmapp_device *audev)
BUG_ON(!schan);
shdma_chan_remove(schan);
}
- dma_dev->chancnt = 0;
}
static struct dma_chan *audmapp_of_xlate(struct of_phandle_args *dma_spec,
diff --git a/drivers/dma/sh/rcar-hpbdma.c b/drivers/dma/sh/rcar-hpbdma.c
index b212d9471ab5..5ab921865ffe 100644
--- a/drivers/dma/sh/rcar-hpbdma.c
+++ b/drivers/dma/sh/rcar-hpbdma.c
@@ -619,7 +619,6 @@ error:
static void hpb_dmae_chan_remove(struct hpb_dmae_device *hpbdev)
{
- struct dma_device *dma_dev = &hpbdev->shdma_dev.dma_dev;
struct shdma_chan *schan;
int i;
@@ -628,7 +627,6 @@ static void hpb_dmae_chan_remove(struct hpb_dmae_device *hpbdev)
shdma_chan_remove(schan);
}
- dma_dev->chancnt = 0;
}
static int hpb_dmae_remove(struct platform_device *pdev)
diff --git a/drivers/dma/sh/shdma-base.c b/drivers/dma/sh/shdma-base.c
index 42d497416196..ed5b0993edfa 100644
--- a/drivers/dma/sh/shdma-base.c
+++ b/drivers/dma/sh/shdma-base.c
@@ -951,7 +951,7 @@ void shdma_chan_probe(struct shdma_dev *sdev,
/* Add the channel to DMA device channel list */
list_add_tail(&schan->dma_chan.device_node,
&sdev->dma_dev.channels);
- sdev->schan[sdev->dma_dev.chancnt++] = schan;
+ sdev->schan[id] = schan;
}
EXPORT_SYMBOL(shdma_chan_probe);
diff --git a/drivers/dma/sh/shdmac.c b/drivers/dma/sh/shdmac.c
index 58eb85770eba..b65317c6ea4e 100644
--- a/drivers/dma/sh/shdmac.c
+++ b/drivers/dma/sh/shdmac.c
@@ -572,7 +572,6 @@ err_no_irq:
static void sh_dmae_chan_remove(struct sh_dmae_device *shdev)
{
- struct dma_device *dma_dev = &shdev->shdma_dev.dma_dev;
struct shdma_chan *schan;
int i;
@@ -581,7 +580,6 @@ static void sh_dmae_chan_remove(struct sh_dmae_device *shdev)
shdma_chan_remove(schan);
}
- dma_dev->chancnt = 0;
}
static void sh_dmae_shutdown(struct platform_device *pdev)
diff --git a/drivers/dma/sh/sudmac.c b/drivers/dma/sh/sudmac.c
index 3ce103909896..69a5c7b87ee0 100644
--- a/drivers/dma/sh/sudmac.c
+++ b/drivers/dma/sh/sudmac.c
@@ -295,7 +295,6 @@ err_no_irq:
static void sudmac_chan_remove(struct sudmac_device *su_dev)
{
- struct dma_device *dma_dev = &su_dev->shdma_dev.dma_dev;
struct shdma_chan *schan;
int i;
@@ -304,7 +303,6 @@ static void sudmac_chan_remove(struct sudmac_device *su_dev)
shdma_chan_remove(schan);
}
- dma_dev->chancnt = 0;
}
static dma_addr_t sudmac_slave_addr(struct shdma_chan *schan)