Hi,
It seems that patch never made it to the mainline. Is it still missing
something ?
Regards,
On 17/10/2013 15:56, Ulf Hansson wrote:
> On 17 October 2013 12:46, Alexandre Belloni
> <alexandre.belloni@xxxxxxxxxxxxxxxxxx> wrote:
>> Other MMC hosts handle a regulator named vmmc-supply that allows to power the
>> MMC card or SDIO device before communicating on the bus.
>>
>> Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx>
> Acked-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
>
>> ---
>>
>> Changes in v2:
>> - use mmc_regulator_get_supply instead of devm_regulator_get
>>
>> Changes in v3:
>> - en/disable the regulator in .set_ios using mmc_regulator_set_ocr
>>
>> drivers/mmc/host/atmel-mci.c | 7 +++++++
>> 1 file changed, 7 insertions(+)
>>
>> diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
>> index 69e438e..a9e1ba6 100644
>> --- a/drivers/mmc/host/atmel-mci.c
>> +++ b/drivers/mmc/host/atmel-mci.c
>> @@ -1385,8 +1385,14 @@ static void atmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
>> clk_unprepare(host->mck);
>>
>> switch (ios->power_mode) {
>> + case MMC_POWER_OFF:
>> + if (!IS_ERR(mmc->supply.vmmc))
>> + mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, 0);
>> + break;
>> case MMC_POWER_UP:
>> set_bit(ATMCI_CARD_NEED_INIT, &slot->flags);
>> + if (!IS_ERR(mmc->supply.vmmc))
>> + mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, ios->vdd);
>> break;
>> default:
>> /*
>> @@ -2196,6 +2202,7 @@ static int __init atmci_init_slot(struct atmel_mci *host,
>> }
>>
>> host->slot[id] = slot;
>> + mmc_regulator_get_supply(mmc);
>> mmc_add_host(mmc);
>>
>> if (gpio_is_valid(slot->detect_pin)) {
>> --
>> 1.8.1.2
>>
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--
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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