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Subject[PATCH] mmc: sdhci-of-arasan: Add sdhci_arasan_set_power
Date
The power register needs to have a valid voltage set
even when the power supply is managed by an external regulator.

Signed-off-by: Milan Stevanovic <milan.o.stevanovic@gmail.com>
---
drivers/mmc/host/sdhci-of-arasan.c | 12 ++++++++++++
1 file changed, 12 insertions(+)

diff --git a/drivers/mmc/host/sdhci-of-arasan.c b/drivers/mmc/host/sdhci-of-arasan.c
index 0720ea7..fb57206 100644
--- a/drivers/mmc/host/sdhci-of-arasan.c
+++ b/drivers/mmc/host/sdhci-of-arasan.c
@@ -262,6 +262,17 @@ static int sdhci_arasan_voltage_switch(struct mmc_host *mmc,
return -EINVAL;
}

+static void sdhci_arasan_set_power(struct sdhci_host *host, unsigned char mode,
+ unsigned short vdd)
+{
+ if (!IS_ERR(host->mmc->supply.vmmc)) {
+ struct mmc_host *mmc = host->mmc;
+
+ mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, vdd);
+ }
+ sdhci_set_power_noreg(host, mode, vdd);
+}
+
static const struct sdhci_ops sdhci_arasan_ops = {
.set_clock = sdhci_arasan_set_clock,
.get_max_clock = sdhci_pltfm_clk_get_max_clock,
@@ -269,6 +280,7 @@ static const struct sdhci_ops sdhci_arasan_ops = {
.set_bus_width = sdhci_set_bus_width,
.reset = sdhci_arasan_reset,
.set_uhs_signaling = sdhci_set_uhs_signaling,
+ .set_power = sdhci_arasan_set_power,
};

static const struct sdhci_pltfm_data sdhci_arasan_pdata = {
--
2.7.4
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