Re: [PATCH] mmc: sdhci-of-arasan: Add sdhci_arasan_set_power
From: Adrian Hunter
Date: Thu Nov 30 2017 - 05:32:18 EST
On 28/11/17 02:02, Milan Stevanovic wrote:
> 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@xxxxxxxxx>
Acked-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
> ---
> 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 = {
>