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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2012-09-21 15:05:48 +0300 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@linux.intel.com> | 2012-09-27 15:35:23 +0530 |
| commit | a09820043c9e11149145a1ec221eed4a7b42dcce (patch) | |
| tree | 0561b70b0803aec4b57e41e90fa0ece433f9d59f /arch | |
| parent | 4a63a8b3e8d2e4f56174deb728085010aa3ac2a1 (diff) | |
| download | linux-stable-a09820043c9e11149145a1ec221eed4a7b42dcce.tar.gz linux-stable-a09820043c9e11149145a1ec221eed4a7b42dcce.tar.bz2 linux-stable-a09820043c9e11149145a1ec221eed4a7b42dcce.zip | |
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')
| -rw-r--r-- | arch/arm/mach-spear13xx/spear13xx.c | 2 | ||||
| -rw-r--r-- | arch/avr32/mach-at32ap/at32ap700x.c | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/mach-spear13xx/spear13xx.c b/arch/arm/mach-spear13xx/spear13xx.c index c64d8123518f..6a7dfe1857b6 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) diff --git a/arch/avr32/mach-at32ap/at32ap700x.c b/arch/avr32/mach-at32ap/at32ap700x.c index 2c4aefeb86b5..b323d8d3185b 100644 --- a/arch/avr32/mach-at32ap/at32ap700x.c +++ b/arch/avr32/mach-at32ap/at32ap700x.c @@ -606,6 +606,8 @@ static void __init genclk_init_parent(struct clk *clk) static struct dw_dma_platform_data dw_dmac0_data = { .nr_channels = 3, .block_size = 4095U, + .nr_masters = 2, + .data_width = { 2, 2, 0, 0 }, }; static struct resource dw_dmac0_resource[] = { |