Re: [PATCH v3 3/5] reset: stm32: use the reset-simple driver

From: Andre Przywara
Date: Wed Aug 16 2017 - 09:04:05 EST


Hi,

On 16/08/17 13:52, Eugeniy Paltsev wrote:
> Hi Philipp,
>
> On Wed, 2017-08-16 at 11:46 +0200, Philipp Zabel wrote:
>> The reset-simple driver can be used without changes.
>>
>> Signed-off-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
>> [snip]
>>
>> --- a/drivers/reset/reset-simple.c
>> +++ b/drivers/reset/reset-simple.c
>> @@ -120,6 +120,7 @@ static const struct reset_simple_devdata
>> reset_simple_active_low = {
>>
>> static const struct of_device_id reset_simple_dt_ids[] = {
>> { .compatible = "altr,rst-mgr", .data =
>> &reset_simple_socfpga },
>> + { .compatible = "st,stm32-rcc", },
>> { .compatible = "allwinner,sun6i-a31-clock-reset",
>> .data = &reset_simple_active_low },
>> { /* sentinel */ },
>
> What about adding generic compatible strings for future use?

Exactly ;-) (see my previous email)
But we still need the pre-existing strings in here, of course.

> I mean next:
>
> --------------------->8---------------------
>
> static const struct of_device_id reset_simple_dt_ids[] = {
> { .compatible = "reset-simple-active-low",
> .data = &reset_simple_active_low },
> { .compatible = "reset-simple-active-high",
> .data = &reset_simple_active_high },

Either that or maybe even better define a "simple-reset" string and add
standard properties like "active-low".

Cheers,
Andre.

> /* ... */
> { /* sentinel */ },
> };
>
> static const struct reset_simple_devdata reset_simple_active_high = {
> .active_low = false,
> };
>
> static const struct reset_simple_devdata reset_simple_active_low = {
> .active_low = true,
> };
>
> --------------------->8---------------------
>