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greybus: sdio: add switch voltage operation 

Core sd/mmc needs the start_signal_voltage_switch operation to be
defined to issue a voltage switch command. So, we define it here even
though we do not need to take in action on it, since all voltage control
is done in the Module.

Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Rui Miguel Silva 2016-07-19 15:41:30 +01:00 committed by Greg Kroah-Hartman
parent 484a4d6677
commit d53cc1c37e
1 changed files with 6 additions and 0 deletions
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6
drivers/staging/greybus/sdio.c
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@ -734,11 +734,17 @@ static int gb_mmc_get_cd(struct mmc_host *mmc)
return host->card_present;
}
static int gb_mmc_switch_voltage(struct mmc_host *mmc, struct mmc_ios *ios)
{
return 0;
}
static const struct mmc_host_ops gb_sdio_ops = {
.request = gb_mmc_request,
.set_ios = gb_mmc_set_ios,
.get_ro = gb_mmc_get_ro,
.get_cd = gb_mmc_get_cd,
.start_signal_voltage_switch = gb_mmc_switch_voltage,
};
static int gb_sdio_probe(struct gbphy_device *gbphy_dev,