Re: fsl,p2020-esdhc sdhci quirks

From: Adrian Hunter
Date: Tue Dec 03 2019 - 06:16:57 EST


On 3/12/19 12:49 pm, Rasmus Villemoes wrote:
> On 03/12/2019 11.15, Rasmus Villemoes wrote:
>> Hi
>>
>> Commits
>>
>> 05cb6b2a66fa - mmc: sdhci-of-esdhc: add erratum eSDHC-A001 and A-008358
>> support
>> a46e42712596 - mmc: sdhci-of-esdhc: add erratum eSDHC5 support
>>
>> seem a bit odd, in that they set bits from the SDHCI_* namespace in the
>> ->quirks2 member:
>>
>> host->quirks2 |= SDHCI_QUIRK_RESET_AFTER_REQUEST;
>> host->quirks2 |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL;
>
> FWIW, with something like the patch below, sparse (make C=1) would complain
>
> drivers/mmc/host/sdhci-of-esdhc.c:1306:31: warning: invalid assignment: |=
> drivers/mmc/host/sdhci-of-esdhc.c:1306:31: left side has type
> restricted sdhci_quirk2_t
> drivers/mmc/host/sdhci-of-esdhc.c:1306:31: right side has type
> restricted sdhci_quirk_t
> drivers/mmc/host/sdhci-of-esdhc.c:1307:31: warning: invalid assignment: |=
> drivers/mmc/host/sdhci-of-esdhc.c:1307:31: left side has type
> restricted sdhci_quirk2_t
> drivers/mmc/host/sdhci-of-esdhc.c:1307:31: right side has type
> restricted sdhci_quirk_t
>
> But maybe that's too much churn, dunno.

Presumably testing would have caught this, so I think it would be better if
people tested their patches.