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Commit 52d6a5ee authored by Laurent Pinchart's avatar Laurent Pinchart Committed by Vinod Koul
Browse files

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



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: default avatarLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent 42e4a12a

drivers/dma/sh/shdmac.c

+8 −3
Original line number Diff line number Diff line
@@ -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;