Re: [PATCH 3/3] ARM: dts: at91: sama5d2: use sama5d2 compatible string for SMC

From: Nicolas Ferre
Date: Tue Jul 11 2017 - 04:06:27 EST


On 11/07/2017 at 09:58, Ludovic Desroches wrote:
> On Tue, Jul 11, 2017 at 09:52:58AM +0200, Nicolas Ferre wrote:
>> On 11/07/2017 at 09:40, Ludovic Desroches wrote:
>>> A new compatible string has been introduced for sama5d2 SMC to allow to
>>> manage the registers mapping change.
>>>
>>> Signed-off-by: Ludovic Desroches <ludovic.desroches@xxxxxxxxxxxxx>
>>> ---
>>> arch/arm/boot/dts/sama5d2.dtsi | 2 +-
>>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>> diff --git a/arch/arm/boot/dts/sama5d2.dtsi b/arch/arm/boot/dts/sama5d2.dtsi
>>> index 4fcd5bb219e3..60e69aeacbdb 100644
>>> --- a/arch/arm/boot/dts/sama5d2.dtsi
>>> +++ b/arch/arm/boot/dts/sama5d2.dtsi
>>> @@ -1048,7 +1048,7 @@
>>> };
>>>
>>> hsmc: hsmc@f8014000 {
>>> - compatible = "atmel,sama5d3-smc", "syscon", "simple-mfd";
>>> + compatible = "atmel,sama5d2-smc", "syscon", "simple-mfd";
>>
>> You'd better use something like:
>> compatible = "atmel,sama5d2-smc", "atmel,sama5d3-smc", "syscon", "simple-mfd";
>
> But it's not true, during data interface setup, we will write values in
> the wrong place if we fallback on "atmel,sama5d3-smc".

Yes, I wrote too quickly: sorry for the noise ;-)

Bye,


>> So that this patch is independent from the rest of the series and
>> we can avoid to having to synchronize with mfd or mtd/nand for this part.
>>
>> Regards,
>>
>>> reg = <0xf8014000 0x1000>;
>>> interrupts = <17 IRQ_TYPE_LEVEL_HIGH 6>;
>>> clocks = <&hsmc_clk>;
>>>
>>
>>
>> --
>> Nicolas Ferre
>


--
Nicolas Ferre