[U-Boot] [PATCH] mmc: Poll for broken card detection case

[Jaehoon Chung]

Hi,

On 01/02/2018 01:25 PM, Jun Nie wrote:
> Poll for broken card detection case instead of return
> no card detected.

Sorry for late. i didn't see this patch in my mailbox.

Does it need to add the new config?

Best Regards,
Jaehoon Chung

> 
> Signed-off-by: Jun Nie <jun.nie at linaro.org>
> ---
>  drivers/mmc/Kconfig | 5 +++++
>  drivers/mmc/mmc.c   | 4 ++++
>  2 files changed, 9 insertions(+)
> 
> diff --git a/drivers/mmc/Kconfig b/drivers/mmc/Kconfig
> index 8fbeaa7..ed194a3 100644
> --- a/drivers/mmc/Kconfig
> +++ b/drivers/mmc/Kconfig
> @@ -10,6 +10,11 @@ config MMC
>  	  If you want MMC/SD/SDIO support, you should say Y here and
>  	  also to your specific host controller driver.
>  
> +config MMC_BROKEN_CD
> +	bool "Poll for broken card detection case"
> +	help
> +	  If card  detection feature is broken, just poll to detect.
> +
>  config DM_MMC
>  	bool "Enable MMC controllers using Driver Model"
>  	depends on DM
> diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
> index 38d2e07..13c5bf5 100644
> --- a/drivers/mmc/mmc.c
> +++ b/drivers/mmc/mmc.c
> @@ -1650,8 +1650,12 @@ int mmc_start_init(struct mmc *mmc)
>  	bool no_card;
>  	int err;
>  
> +#if !defined(CONFIG_MMC_BROKEN_CD)
>  	/* we pretend there's no card when init is NULL */
>  	no_card = mmc_getcd(mmc) == 0;
> +#else
> +	no_card = 0;
> +#endif
>  #if !CONFIG_IS_ENABLED(DM_MMC)
>  	no_card = no_card || (mmc->cfg->ops->init == NULL);
>  #endif
>