[PATCH v2 03/15] mmc: mmci: Don't pretend all variants to have OPENDRAIN bit
Patrice CHOTARD
patrice.chotard at st.com
Thu Jan 18 05:24:52 PST 2018
Hi Ulf
On 01/17/2018 10:33 AM, Ulf Hansson wrote:
> [...]
>
>> /* Busy detection for the ST Micro variant */
>> @@ -1455,16 +1465,13 @@ static void mmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
>> ~MCI_ST_DATA2DIREN);
>> }
>>
>> - if (ios->bus_mode == MMC_BUSMODE_OPENDRAIN) {
>> - if (host->hw_designer != AMBA_VENDOR_ST)
>> - pwr |= MCI_ROD;
>> - else {
>> - /*
>> - * The ST Micro variant use the ROD bit for something
>> - * else and only has OD (Open Drain).
>> - */
>> - pwr |= MCI_OD;
>> - }
>> + if (ios->bus_mode == MMC_BUSMODE_OPENDRAIN &&
>> + host->variant->opendrain) {
>
> A few nitpicks (because I anyway had some comment on patch4):
>
> The above can be written on one line and the brackets isn't needed.
>
> Replace host->variant->opendrain with variant->opendrain. The same
> applies to the below change.
Ah yes, i will fix it
>
>> + /*
>> + * The ST Micro variant use the ROD bit for
>> + * something else and only has OD (Open Drain).
>> + */
>
> I think we can remove this comment, as this information becomes
> implicit when we start using the variant data.
Ok
Thanks
Patrice
>
>> + pwr |= host->variant->opendrain;
>> }
>>
>> /*
>> --
>> 1.9.1
>>
>
> Kind regards
> Uffe
>
More information about the linux-arm-kernel
mailing list