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DMA: shdma: Fix warnings due to declared but unused symbols

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Several functions and variables are use on SH_CPU4 or ARM only. Guard
their declaration with conditional compilation directives to avoid
warnings.

Cc: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Cc: Vinod Koul <vinod.koul@intel.com>
Cc: dmaengine@vger.kernel.org
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Laurent Pinchart 2013-12-11 13:43:05 +01:00 committed by Vinod Koul
parent 42e4a12a0d
commit 52d6a5ee10
1 changed files with 8 additions and 3 deletions
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11
drivers/dma/sh/shdmac.c
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@ -443,6 +443,7 @@ static bool sh_dmae_reset(struct sh_dmae_device *shdev)
return ret;
}
#if defined(CONFIG_CPU_SH4) || defined(CONFIG_ARM)
static irqreturn_t sh_dmae_err(int irq, void *data)
{
struct sh_dmae_device *shdev = data;
@ -453,6 +454,7 @@ static irqreturn_t sh_dmae_err(int irq, void *data)
sh_dmae_reset(shdev);
return IRQ_HANDLED;
}
#endif
static bool sh_dmae_desc_completed(struct shdma_chan *schan,
struct shdma_desc *sdesc)
@ -685,9 +687,12 @@ MODULE_DEVICE_TABLE(of, sh_dmae_of_match);
static int sh_dmae_probe(struct platform_device *pdev)
{
const struct sh_dmae_pdata *pdata;
unsigned long irqflags = 0,
chan_flag[SH_DMAE_MAX_CHANNELS] = {};
int errirq, chan_irq[SH_DMAE_MAX_CHANNELS];
unsigned long chan_flag[SH_DMAE_MAX_CHANNELS] = {};
int chan_irq[SH_DMAE_MAX_CHANNELS];
#if defined(CONFIG_CPU_SH4) || defined(CONFIG_ARM)
unsigned long irqflags = 0;
int errirq;
#endif
int err, i, irq_cnt = 0, irqres = 0, irq_cap = 0;
struct sh_dmae_device *shdev;
struct dma_device *dma_dev;