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dmaengine: sh: Remove chancnt affectations

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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>
This commit is contained in:
Maxime Ripard 2014-10-16 11:01:01 +02:00 committed by Vinod Koul
parent 9aa7171157
commit 1e916474a9
5 changed files with 1 additions and 9 deletions
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2
drivers/dma/sh/rcar-audmapp.c
View file

@ -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,

2
drivers/dma/sh/rcar-hpbdma.c
View file

@ -619,7 +619,6 @@ static int hpb_dmae_probe(struct platform_device *pdev)
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)

2
drivers/dma/sh/shdma-base.c
View file

@ -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);

2
drivers/dma/sh/shdmac.c
View file

@ -572,7 +572,6 @@ static int sh_dmae_chan_probe(struct sh_dmae_device *shdev, int id,
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)

2
drivers/dma/sh/sudmac.c
View file

@ -295,7 +295,6 @@ static int sudmac_chan_probe(struct sudmac_device *su_dev, int id, int 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)