SH: constify multiple DMA related objects and references to them

Lists of DMA channels and slaves are not changed, make them constant. Besides,
SH7724 channel and slave configuration of both DMA controllers is identical,
remove the extra copy of the configuration data.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 7 insertions, 47 deletions

diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7724.c b/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
index 8a0a4a99f86b..89fe16d20fdb 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
@@ -31,7 +31,7 @@
 #include <cpu/sh7724.h>
 
 /* DMA */
-static struct sh_dmae_channel sh7724_dmae0_channels[] = {
+static const struct sh_dmae_channel sh7724_dmae_channels[] = {
         {
                 .offset = 0,
                 .dmars = 0,
@@ -59,51 +59,11 @@ static struct sh_dmae_channel sh7724_dmae0_channels[] = {
         }
 };
 
-static struct sh_dmae_channel sh7724_dmae1_channels[] = {
-        {
-                .offset = 0,
-                .dmars = 0,
-                .dmars_bit = 0,
-        }, {
-                .offset = 0x10,
-                .dmars = 0,
-                .dmars_bit = 8,
-        }, {
-                .offset = 0x20,
-                .dmars = 4,
-                .dmars_bit = 0,
-        }, {
-                .offset = 0x30,
-                .dmars = 4,
-                .dmars_bit = 8,
-        }, {
-                .offset = 0x50,
-                .dmars = 8,
-                .dmars_bit = 0,
-        }, {
-                .offset = 0x60,
-                .dmars = 8,
-                .dmars_bit = 8,
-        }
-};
-
-static unsigned int ts_shift[] = TS_SHIFT;
-
-static struct sh_dmae_pdata dma0_platform_data = {
-        .channel        = sh7724_dmae0_channels,
-        .channel_num    = ARRAY_SIZE(sh7724_dmae0_channels),
-        .ts_low_shift   = CHCR_TS_LOW_SHIFT,
-        .ts_low_mask    = CHCR_TS_LOW_MASK,
-        .ts_high_shift  = CHCR_TS_HIGH_SHIFT,
-        .ts_high_mask   = CHCR_TS_HIGH_MASK,
-        .ts_shift       = ts_shift,
-        .ts_shift_num   = ARRAY_SIZE(ts_shift),
-        .dmaor_init     = DMAOR_INIT,
-};
+static const unsigned int ts_shift[] = TS_SHIFT;
 
-static struct sh_dmae_pdata dma1_platform_data = {
-        .channel        = sh7724_dmae1_channels,
-        .channel_num    = ARRAY_SIZE(sh7724_dmae1_channels),
+static struct sh_dmae_pdata dma_platform_data = {
+        .channel        = sh7724_dmae_channels,
+        .channel_num    = ARRAY_SIZE(sh7724_dmae_channels),
         .ts_low_shift   = CHCR_TS_LOW_SHIFT,
         .ts_low_mask    = CHCR_TS_LOW_MASK,
         .ts_high_shift  = CHCR_TS_HIGH_SHIFT,
@@ -187,7 +147,7 @@ static struct platform_device dma0_device = {
         .resource       = sh7724_dmae0_resources,
         .num_resources  = ARRAY_SIZE(sh7724_dmae0_resources),
         .dev            = {
-                .platform_data  = &dma0_platform_data,
+                .platform_data  = &dma_platform_data,
         },
         .archdata = {
                 .hwblk_id = HWBLK_DMAC0,
@@ -200,7 +160,7 @@ static struct platform_device dma1_device = {
         .resource       = sh7724_dmae1_resources,
         .num_resources  = ARRAY_SIZE(sh7724_dmae1_resources),
         .dev            = {
-                .platform_data  = &dma1_platform_data,
+                .platform_data  = &dma_platform_data,
         },
         .archdata = {
                 .hwblk_id = HWBLK_DMAC1,