linux-kernel - Re: [PATCH] mmc: sdhci: add static to !OF stub

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Date:   Tue, 14 Mar 2023 21:12:50 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Ulf Hansson <ulf.hansson@...aro.org>
Cc:     Adrian Hunter <adrian.hunter@...el.com>, linux-mmc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mmc: sdhci: add static to !OF stub

On 13/03/2023 13:49, Ulf Hansson wrote:
> On Sat, 11 Mar 2023 at 12:12, Krzysztof Kozlowski
> <krzysztof.kozlowski@...aro.org> wrote:
>>
>> The sdhci_get_compatibility() is not used outside of the unit:
>>
>>   drivers/mmc/host/sdhci-pltfm.c:76:6: error: no previous prototype for ‘sdhci_get_compatibility’ [-Werror=missing-prototypes]
>>
>> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
>> ---
>>  drivers/mmc/host/sdhci-pltfm.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/mmc/host/sdhci-pltfm.c b/drivers/mmc/host/sdhci-pltfm.c
>> index 328b132bbe57..245e56324dff 100644
>> --- a/drivers/mmc/host/sdhci-pltfm.c
>> +++ b/drivers/mmc/host/sdhci-pltfm.c
>> @@ -73,7 +73,7 @@ static void sdhci_get_compatibility(struct platform_device *pdev)
>>                 host->quirks |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL;
>>  }
>>  #else
>> -void sdhci_get_compatibility(struct platform_device *pdev) {}
>> +static void sdhci_get_compatibility(struct platform_device *pdev) {}
>>  #endif /* CONFIG_OF */
> 
> sdhci_get_compatibility() is using OF functions with stubs for !OF.
> 
> Perhaps a cleaner option is to drop the #ifdef CONFIG_OF completely
> around sdhci_get_compatibility(), thus we can drop the stub too.

Works, indeed, better idea. I'll send v2.

Best regards,
Krzysztof