Am Freitag, 22. März 2019, 20:14:36 CET schrieb Urja Rannikko:
> Fixes the microSD slot on the ASUS C201.
>
> Signed-off-by: Urja Rannikko <urja...@gmail.com>
> ---
> drivers/mmc/dw_mmc.c | 15 +++++++++++++++
> 1 file changed, 15 insertions(+)
>
> diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c
> index 93a836eac3..e1960b213a 100644
> --- a/drivers/mmc/dw_mmc.c
> +++ b/drivers/mmc/dw_mmc.c
> @@ -13,6 +13,7 @@
> #include <mmc.h>
> #include <dwmmc.h>
> #include <wait_bit.h>
> +#include <power/regulator.h>
>
> #define PAGE_SIZE 4096
>
> @@ -440,6 +441,7 @@ static int dwmci_set_ios(struct mmc *mmc)
> #endif
> struct dwmci_host *host = (struct dwmci_host *)mmc->priv;
> u32 ctype, regs;
> + int ret;
>
> debug("Buswidth = %d, clock: %d\n", mmc->bus_width, mmc->clock);
>
> @@ -469,6 +471,19 @@ static int dwmci_set_ios(struct mmc *mmc)
> if (host->clksel)
> host->clksel(host);
>
> +#ifdef CONFIG_DM_REGULATOR
this should be
#if CONFIG_IS_ENABLED(DM_REGULATOR)
because otherwise an SPL-build using the mmc driver may fail with
drivers/mmc/dw_mmc.c: In function ‘dwmci_set_ios’:
drivers/mmc/dw_mmc.c:475:9: error: ‘struct mmc’ has no member named
‘vqmmc_supply’
if (mmc->vqmmc_supply) {
^~
drivers/mmc/dw_mmc.c:477:27: error: ‘struct mmc’ has no member named
‘vqmmc_supply’
regulator_set_value(mmc->vqmmc_supply, 1800000);
^~
drivers/mmc/dw_mmc.c:479:27: error: ‘struct mmc’ has no member named
‘vqmmc_supply’
regulator_set_value(mmc->vqmmc_supply, 3300000);
^~
drivers/mmc/dw_mmc.c:481:44: error: ‘struct mmc’ has no member named
‘vqmmc_supply’
ret = regulator_set_enable_if_allowed(mmc->vqmmc_supply, true);
> + if (mmc->vqmmc_supply) {
> + if (mmc->signal_voltage == MMC_SIGNAL_VOLTAGE_180)
> + regulator_set_value(mmc->vqmmc_supply, 1800000);
> + else
> + regulator_set_value(mmc->vqmmc_supply, 3300000);
> +
> + ret = regulator_set_enable_if_allowed(mmc->vqmmc_supply, true);
> + if (ret)
> + return ret;
> + }
> +#endif
> +
> return 0;
> }
>
>
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