Re: [PATCH v1 1/2] watchdog: starfive-wdt: Add JH8100 watchdog compatible string

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On Tue, 12 Dec 2023 11:01:21 +0800
Xingyu Wu <xingyu.wu@xxxxxxxxxxxxxxxx> wrote:

> On 2023/12/12 0:47, Ji Sheng Teoh wrote:
> > On Mon, 11 Dec 2023 11:06:42 +0100
> > Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> wrote:
> >   
> >> On 09/12/2023 15:27, Ji Sheng Teoh wrote:  
> >> > Add "starfive,jh8100-wdt" compatible for StarFive's JH8100
> >> > watchdog. JH8100 watchdog reuses JH7110 register mapping.
> >> > 
> >> > Signed-off-by: Ley Foon Tan <leyfoon.tan@xxxxxxxxxxxxxxxx>
> >> > Signed-off-by: Ji Sheng Teoh <jisheng.teoh@xxxxxxxxxxxxxxxx>
> >> > ---
> >> >  drivers/watchdog/starfive-wdt.c | 1 +
> >> >  1 file changed, 1 insertion(+)
> >> > 
> >> > diff --git a/drivers/watchdog/starfive-wdt.c
> >> > b/drivers/watchdog/starfive-wdt.c index
> >> > 5f501b41faf9..31785bb373d5 100644 ---
> >> > a/drivers/watchdog/starfive-wdt.c +++
> >> > b/drivers/watchdog/starfive-wdt.c @@ -581,6 +581,7 @@ static
> >> > const struct dev_pm_ops starfive_wdt_pm_ops = { static const
> >> > struct of_device_id starfive_wdt_match[] = { { .compatible =
> >> > "starfive,jh7100-wdt", .data = &starfive_wdt_jh7100_variant }, {
> >> > .compatible = "starfive,jh7110-wdt", .data =
> >> > &starfive_wdt_jh7110_variant },
> >> > +	{ .compatible = "starfive,jh8100-wdt", .data =
> >> > &starfive_wdt_jh7110_variant },    
> >> 
> >> Device is compatible, so why not expressing it in the bindings and
> >> dropping this change?
> >> 
> >> Best regards,
> >> Krzysztof
> >>   
> > 
> > Ok, will drop this change.
> > 
> > Thanks,
> > Ji Sheng  
> 
> Hi Ji Sheng,
> 
> You can add the compatible "starfive,jh8100-wdt" in the bindings and
> add this:
> 
> 	compatible = "starfive,jh8100-wdt", "starfive,jh7110-wdt";
> 
> in the dts. I think it would be better and does not change the driver.
> 
> Best regards,
> Xingyu Wu

Thanks for the suggestion, will go with this approach.
I have respin a v2 for this, as it only requires small changes.
v2: https://lore.kernel.org/all/20231212031731.2498584-2-jisheng.teoh@xxxxxxxxxxxxxxxx/





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