[PATCH V2 3/3] ARM: tegra: document use of standard DMA DT bindings

Stephen Warren swarren at wwwdotorg.org
Mon Nov 25 17:25:44 EST 2013


On 11/25/2013 03:07 PM, Arnd Bergmann wrote:
> On Monday 25 November 2013 15:06:01 Stephen Warren wrote:
>>    See ../reset/reset.txt for details.
>>  - reset-names : Must include the following entries:
>>    - dma
>> +- #iommu-cells : Must be <1>. This dictates the length of DMA specifiers in
>> +  client nodes' dmas properties. The specifier represents the DMA request
>> +  select value for the peripheral. For more details, consult the Tegra TRM's
>> +  documentation of the APB DMA channel control register REQ_SEL field.
>>  
>>  Examples:
>>  
>> @@ -36,4 +40,5 @@ apbdma: dma at 6000a000 {
>>         clocks = <&tegra_car 34>;
>>         resets = <&tegra_car 34>;
>>         reset-names = "dma";
>> +       #iommu-cells = <1>;
> 
> s/iommu-cells/dma-cells/

Thanks.

Uggh. I know you pointed that out before, and I fixed it. I guess I
screwed up a rebase somewhere:-(



More information about the linux-arm-kernel mailing list