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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2012-09-21 12:05:48 (GMT)
committerVinod Koul <vinod.koul@linux.intel.com>2012-09-27 10:05:23 (GMT)
commita09820043c9e11149145a1ec221eed4a7b42dcce (patch)
tree0561b70b0803aec4b57e41e90fa0ece433f9d59f /arch/arm/mach-spear13xx/spear13xx.c
parent4a63a8b3e8d2e4f56174deb728085010aa3ac2a1 (diff)
downloadlinux-a09820043c9e11149145a1ec221eed4a7b42dcce.tar.xz
dw_dmac: autoconfigure data_width or get it via platform data
Not all of the controllers support the 64 bit data width. Make it configurable via platform data. The driver will try to get a value from the component parameters, otherwise it will use the platform data. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
Diffstat (limited to 'arch/arm/mach-spear13xx/spear13xx.c')
-rw-r--r--arch/arm/mach-spear13xx/spear13xx.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/mach-spear13xx/spear13xx.c b/arch/arm/mach-spear13xx/spear13xx.c
index c64d812..6a7dfe1 100644
--- a/arch/arm/mach-spear13xx/spear13xx.c
+++ b/arch/arm/mach-spear13xx/spear13xx.c
@@ -79,6 +79,8 @@ struct dw_dma_platform_data dmac_plat_data = {
.chan_allocation_order = CHAN_ALLOCATION_DESCENDING,
.chan_priority = CHAN_PRIORITY_DESCENDING,
.block_size = 4095U,
+ .nr_masters = 2,
+ .data_width = { 3, 3, 0, 0 },
};
void __init spear13xx_l2x0_init(void)