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SubjectRe: [PATCH 07/14] riscv: dts: canaan: fix the k210's memory node
Date
On 20/06/2022 00:38, Damien Le Moal wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
>
> On 6/18/22 21:30, Conor Dooley wrote:
>> From: Conor Dooley <conor.dooley@microchip.com>
>>
>> The k210 memory node has a compatible string that does not match with
>> any driver or dt-binding & has several non standard properties.
>> Replace the reg names with a comment and delete the rest.
>>
>> Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
>> ---
>> ---
>> arch/riscv/boot/dts/canaan/k210.dtsi | 6 ------
>> 1 file changed, 6 deletions(-)
>>
>> diff --git a/arch/riscv/boot/dts/canaan/k210.dtsi b/arch/riscv/boot/dts/canaan/k210.dtsi
>> index 44d338514761..287ea6eebe47 100644
>> --- a/arch/riscv/boot/dts/canaan/k210.dtsi
>> +++ b/arch/riscv/boot/dts/canaan/k210.dtsi
>> @@ -69,15 +69,9 @@ cpu1_intc: interrupt-controller {
>>
>> sram: memory@80000000 {
>> device_type = "memory";
>> - compatible = "canaan,k210-sram";
>> reg = <0x80000000 0x400000>,
>> <0x80400000 0x200000>,
>> <0x80600000 0x200000>;
>> - reg-names = "sram0", "sram1", "aisram";
>> - clocks = <&sysclk K210_CLK_SRAM0>,
>> - <&sysclk K210_CLK_SRAM1>,
>> - <&sysclk K210_CLK_AI>;
>> - clock-names = "sram0", "sram1", "aisram";
>> };
>
> These are used by u-boot to setup the memory clocks and initialize the
> aisram. Sure the kernel actually does not use this, but to be in sync with
> u-boot DT, I would prefer keeping this as is. Right now, u-boot *and* the
> kernel work fine with both u-boot internal DT and the kernel DT.

Right, but unfortunately that desire alone doesn't do anything about
the dtbs_check complaints.

I guess the alternative approach of actually documenting the compatible
would be more palatable?

Thanks,
Conor.



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