diff mbox

[054/237] DMA: shdma: make a pointer const

Message ID 1387000406-29111-55-git-send-email-horms+renesas@verge.net.au (mailing list archive)
State New, archived
Headers show

Commit Message

Simon Horman Dec. 14, 2013, 5:50 a.m. UTC 
From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>

Platform data shouldn't be changed at run-time, so, pointers to it should
be const.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
(cherry picked from commit 2833c47e0ecc74b300716e56810143125ad7a3f1)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

Conflicts:
	drivers/dma/sh/shdma.c
---
 drivers/dma/sh/shdma.c | 10 +++++-----
 drivers/dma/sh/shdma.h |  2 +-
 2 files changed, 6 insertions(+), 6 deletions(-)
diff mbox

Patch

diff --git a/drivers/dma/sh/shdma.c b/drivers/dma/sh/shdma.c
index 4f24b9d..19068a5 100644
--- a/drivers/dma/sh/shdma.c
+++ b/drivers/dma/sh/shdma.c
@@ -177,7 +177,7 @@  static bool dmae_is_busy(struct sh_dmae_chan *sh_chan)
 static unsigned int calc_xmit_shift(struct sh_dmae_chan *sh_chan, u32 chcr)
 {
 	struct sh_dmae_device *shdev = to_sh_dev(sh_chan);
-	struct sh_dmae_pdata *pdata = shdev->pdata;
+	const struct sh_dmae_pdata *pdata = shdev->pdata;
 	int cnt = ((chcr & pdata->ts_low_mask) >> pdata->ts_low_shift) |
 		((chcr & pdata->ts_high_mask) >> pdata->ts_high_shift);
 
@@ -190,7 +190,7 @@  static unsigned int calc_xmit_shift(struct sh_dmae_chan *sh_chan, u32 chcr)
 static u32 log2size_to_chcr(struct sh_dmae_chan *sh_chan, int l2size)
 {
 	struct sh_dmae_device *shdev = to_sh_dev(sh_chan);
-	struct sh_dmae_pdata *pdata = shdev->pdata;
+	const struct sh_dmae_pdata *pdata = shdev->pdata;
 	int i;
 
 	for (i = 0; i < pdata->ts_shift_num; i++)
@@ -250,7 +250,7 @@  static int dmae_set_chcr(struct sh_dmae_chan *sh_chan, u32 val)
 static int dmae_set_dmars(struct sh_dmae_chan *sh_chan, u16 val)
 {
 	struct sh_dmae_device *shdev = to_sh_dev(sh_chan);
-	struct sh_dmae_pdata *pdata = shdev->pdata;
+	const struct sh_dmae_pdata *pdata = shdev->pdata;
 	const struct sh_dmae_channel *chan_pdata = &pdata->channel[sh_chan->shdma_chan.id];
 	void __iomem *addr = shdev->dmars;
 	unsigned int shift = chan_pdata->dmars_bit;
@@ -319,7 +319,7 @@  static const struct sh_dmae_slave_config *dmae_find_slave(
 	struct sh_dmae_chan *sh_chan, int match)
 {
 	struct sh_dmae_device *shdev = to_sh_dev(sh_chan);
-	struct sh_dmae_pdata *pdata = shdev->pdata;
+	const struct sh_dmae_pdata *pdata = shdev->pdata;
 	const struct sh_dmae_slave_config *cfg;
 	int i;
 
@@ -665,7 +665,7 @@  static const struct shdma_ops sh_dmae_shdma_ops = {
 
 static int sh_dmae_probe(struct platform_device *pdev)
 {
-	struct sh_dmae_pdata *pdata = dev_get_platdata(&pdev->dev);
+	const struct sh_dmae_pdata *pdata = dev_get_platdata(&pdev->dev);
 	unsigned long irqflags = IRQF_DISABLED,
 		chan_flag[SH_DMAE_MAX_CHANNELS] = {};
 	int errirq, chan_irq[SH_DMAE_MAX_CHANNELS];
diff --git a/drivers/dma/sh/shdma.h b/drivers/dma/sh/shdma.h
index 06aae6e..3d9dca1 100644
--- a/drivers/dma/sh/shdma.h
+++ b/drivers/dma/sh/shdma.h
@@ -36,7 +36,7 @@  struct sh_dmae_chan {
 struct sh_dmae_device {
 	struct shdma_dev shdma_dev;
 	struct sh_dmae_chan *chan[SH_DMAE_MAX_CHANNELS];
-	struct sh_dmae_pdata *pdata;
+	const struct sh_dmae_pdata *pdata;
 	struct list_head node;
 	void __iomem *chan_reg;
 	void __iomem *dmars;