From: Laurent Pinchart Date: Wed, 11 Dec 2013 12:43:05 +0000 (+0100) Subject: DMA: shdma: Fix warnings due to declared but unused symbols X-Git-Tag: v3.15-rc1~39^2~19 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=52d6a5ee101bf0e6c1fc5373eebe5c3307e4a0ca;p=karo-tx-linux.git 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 Cc: Vinod Koul Cc: dmaengine@vger.kernel.org Signed-off-by: Laurent Pinchart Signed-off-by: Vinod Koul --- diff --git a/drivers/dma/sh/shdmac.c b/drivers/dma/sh/shdmac.c index 0d765c0e21ec..21509876d459 100644 --- a/drivers/dma/sh/shdmac.c +++ b/drivers/dma/sh/shdmac.c @@ -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;