[BUG] Re: [PATCH v2 2/2] mmc: mmc-uclass: Use dev_seq() to read aliases node's index

Heinrich Schuchardt xypron.glpk at gmx.de
Thu May 20 18:32:38 CEST 2021


On 25.03.21 08:18, Aswath Govindraju wrote:
> Use dev_seq() to read aliases node's index and pass it as device number
> for creating bulk device.
>
> Suggested-by: Grygorii Strashko <grygorii.strashko at ti.com>
> Signed-off-by: Aswath Govindraju <a-govindraju at ti.com>
> Reviewed-by: Jaehoon Chung <jh80.chung at samsung.com>

Since this patch merged as commit 2243d19e5618122 SD cards on
orangepi_pc_defconfig are not detected anymore.

=> mmc rescan
MMC Device 0 not found
no mmc device at slot 0
=>

Best regards

Heinrich

> ---
>  drivers/mmc/mmc-uclass.c | 12 +++++-------
>  1 file changed, 5 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/mmc/mmc-uclass.c b/drivers/mmc/mmc-uclass.c
> index 53eabc9e612d..d36aae367e7c 100644
> --- a/drivers/mmc/mmc-uclass.c
> +++ b/drivers/mmc/mmc-uclass.c
> @@ -383,18 +383,16 @@ int mmc_bind(struct udevice *dev, struct mmc *mmc, const struct mmc_config *cfg)
>  {
>  	struct blk_desc *bdesc;
>  	struct udevice *bdev;
> -	int ret, devnum = -1;
> +	int ret;
>
>  	if (!mmc_get_ops(dev))
>  		return -ENOSYS;
> -#ifndef CONFIG_SPL_BUILD
> -	/* Use the fixed index with aliase node's index */
> -	ret = dev_read_alias_seq(dev, &devnum);
> -	debug("%s: alias ret=%d, devnum=%d\n", __func__, ret, devnum);
> -#endif
> +
> +	/* Use the fixed index with aliases node's index */
> +	debug("%s: alias devnum=%d\n", __func__, dev_seq(dev));
>
>  	ret = blk_create_devicef(dev, "mmc_blk", "blk", IF_TYPE_MMC,
> -			devnum, 512, 0, &bdev);
> +			dev_seq(dev), 512, 0, &bdev);
>  	if (ret) {
>  		debug("Cannot create block device\n");
>  		return ret;
>



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