Messages in this thread Patch in this message | | | From | Milan Stevanovic <> | Subject | [PATCH] mmc: sdhci-of-arasan: Add sdhci_arasan_set_power | Date | Tue, 28 Nov 2017 00:51:57 +0100 |
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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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