[PATCH] mmc: msm_sdhci: Use mmc_of_parse for setting host_caps

[Jaehoon Chung]

On 7/16/20 6:07 PM, Manivannan Sadhasivam wrote:
> Since the introduction of 'get_cd' callback in sdhci core,
> dragonboard410c's MMC interface is broken. It turns out that 'get_cd'
> callback checks for the host_caps for validating the chip select. And
> since the msm_sdhci driver is not parsing the host_caps from DT, not
> all of the cababilities are parsed properly. This results in the MMC
> interfaces to be broken.
> 
> Hence, fix this by adding a call to 'mmc_of_parse' during driver probe.
> 
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam at linaro.org>

Reviewed-by: Jaehoon Chung <jh80.chung at samsung.com>

Best Regards,
Jaehoon Chung

> ---
>  drivers/mmc/msm_sdhci.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/mmc/msm_sdhci.c b/drivers/mmc/msm_sdhci.c
> index da3ae2ec35..23e2e0fbc3 100644
> --- a/drivers/mmc/msm_sdhci.c
> +++ b/drivers/mmc/msm_sdhci.c
> @@ -142,6 +142,10 @@ static int msm_sdc_probe(struct udevice *dev)
>  		writel(caps, host->ioaddr + SDHCI_VENDOR_SPEC_CAPABILITIES0);
>  	}
>  
> +	ret = mmc_of_parse(dev, &plat->cfg);
> +	if (ret)
> +		return ret;
> +
>  	host->mmc = &plat->mmc;
>  	host->mmc->dev = dev;
>  	ret = sdhci_setup_cfg(&plat->cfg, host, 0, 0);
>