Subject: [PATCH] ARM: dts: Modify SPI nodes according generic DMA DT bindings

From: [email-masked] (Sylwester Nawrocki)
Date: Tue, 05 Mar 2013 11:24:08 +0100

On 03/05/2013 11:06 AM, Sachin Kamat wrote:
> On 5 March 2013 15:34, Padmavathi Venna <[email-masked]> wrote:
>> This patch removes custom way of adding spi dma channels and
>> adds according to new generic DMA DT bindings on samsung exynos4
>> and exynos5440 platforms.
>>
>> Signed-off-by: Padmavathi Venna <[email-masked]>
>> ---
>>  arch/arm/boot/dts/exynos4.dtsi    |   15 +++++++++------
>>  arch/arm/boot/dts/exynos5440.dtsi |    5 +++--
>>  2 files changed, 12 insertions(+), 8 deletions(-)
>>
>> diff --git a/arch/arm/boot/dts/exynos4.dtsi b/arch/arm/boot/dts/exynos4.dtsi
...
>> @@ -246,8 +247,9 @@
>>                 compatible = "samsung,exynos4210-spi";
>>                 reg = <0x13930000 0x100>;
>>                 interrupts = <0 67 0>;
>> -               tx-dma-channel = <&pdma1 7>; /* preliminary */
>> -               rx-dma-channel = <&pdma1 6>; /* preliminary */
>> +               dmas = <&pdma0 7
>> +                       &pdma0 6>;
> 
> Shouldn't these be pdma1 as was earlier?

Yes, it should. And this is also what the SoC documentation says - SPI1 is
assigned to Peri DMA1.