[RFC v2 05/20] mmc: call device_probe() after scanning

Jaehoon Chung jh80.chung at samsung.com
Mon Jan 3 11:09:17 CET 2022


Dear AKASHI,

On 12/10/21 3:49 PM, AKASHI Takahiro wrote:
> Every time a mmc bus/port is scanned and a new device is detected,
> we want to call device_probe() as it will give us a chance to run
> additional post-processings for some purposes.
> 
> In particular, support for creating partitions on a device will be added.

If add me and Peng as Cc when you sent the patches related with mmc, it's more helpful to review.

Best Regards,
Jaehoon Chung

> 
> Signed-off-by: AKASHI Takahiro <takahiro.akashi at linaro.org>
> ---
>  drivers/mmc/mmc-uclass.c | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 
> diff --git a/drivers/mmc/mmc-uclass.c b/drivers/mmc/mmc-uclass.c
> index 3ee92d03ca23..6c907b65fde7 100644
> --- a/drivers/mmc/mmc-uclass.c
> +++ b/drivers/mmc/mmc-uclass.c
> @@ -418,6 +418,7 @@ int mmc_bind(struct udevice *dev, struct mmc *mmc, const struct mmc_config *cfg)
>  	bdesc->part_type = cfg->part_type;
>  	mmc->dev = dev;
>  	mmc->user_speed_mode = MMC_MODES_END;
> +
>  	return 0;
>  }
>  
> @@ -467,6 +468,18 @@ static int mmc_blk_probe(struct udevice *dev)
>  		return ret;
>  	}
>  
> +	ret = device_probe(dev);
> +	if (ret) {
> +		debug("Can't probe\n");
> +
> +		if (IS_ENABLED(CONFIG_MMC_UHS_SUPPORT) ||
> +		    IS_ENABLED(CONFIG_MMC_HS200_SUPPORT) ||
> +		    IS_ENABLED(CONFIG_MMC_HS400_SUPPORT))
> +			mmc_deinit(mmc);
> +
> +		return ret;
> +	}
> +
>  	return 0;
>  }
>  
> 



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