[PATCH v3 5/5] mmc: sdhci-of-arasan: implement enhanced strobe callback
Shawn Lin
shawn.lin at rock-chips.com
Thu May 19 18:49:11 PDT 2016
Hi
在 2016-5-20 8:11, Doug Anderson 写道:
> Hi,
>
> On Tue, May 10, 2016 at 2:10 AM, Shawn Lin <shawn.lin at rock-chips.com> wrote:
>> Currently sdhci-arasan 5.1 can support enhanced strobe function,
>> and we now limit it just for "arasan,sdhci-5.1". Add
>> mmc-hs400-enhanced-strobe in DT to enable the function if we'r sure
>
> nit:s/we'r/we're/
>
> [ ... ]
>> @@ -79,6 +81,21 @@ static void sdhci_arasan_set_clock(struct sdhci_host *host, unsigned int clock)
>> }
>> }
>>
>> +static void sdhci_arasan_hs400_enhanced_strobe(struct mmc_host *mmc,
>> + struct mmc_ios *ios)
>> +{
>> + u32 vendor;
>> + struct sdhci_host *host = mmc_priv(mmc);
>> +
>> + vendor = readl(host->ioaddr + SDHCI_ARASAN_VENDOR_REGISTER);
>> + if (ios->enhanced_strobe)
>> + vendor |= VENDOR_ENHANCED_STROBE;
>> + else
>> + vendor &= (~VENDOR_ENHANCED_STROBE);
>
> nit: no extra parentheses:
>
> vendor &= ~VENDOR_ENHANCED_STROBE;
>
>
> Other than the nits this patch looks good to me. Feel free to add my
> Reviewed-by when nits fixed.
okay, will fix them.
Thanks for your review!
>
> -Doug
>
>
>
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