[PATCH 1/2] mmc: Check for device with a seq number equal to num before checking against index

Jaehoon Chung jh80.chung at samsung.com
Tue Mar 16 22:40:01 CET 2021


On 3/15/21 7:48 PM, Aswath Govindraju wrote:
> First check if there is an alias for the device tree node defined with the
> given num before checking against device index.
> 
> Signed-off-by: Aswath Govindraju <a-govindraju at ti.com>


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

Best Regards,
Jaehoon Chung

> ---
>  drivers/mmc/mmc.c | 8 +++++---
>  1 file changed, 5 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
> index b4c8e7f293bd..1e83007286b2 100644
> --- a/drivers/mmc/mmc.c
> +++ b/drivers/mmc/mmc.c
> @@ -3052,9 +3052,11 @@ int mmc_init_device(int num)
>  	struct mmc *m;
>  	int ret;
>  
> -	ret = uclass_get_device(UCLASS_MMC, num, &dev);
> -	if (ret)
> -		return ret;
> +	if (uclass_get_device_by_seq(UCLASS_MMC, num, &dev)) {
> +		ret = uclass_get_device(UCLASS_MMC, num, &dev);
> +		if (ret)
> +			return ret;
> +	}
>  
>  	m = mmc_get_mmc_dev(dev);
>  	if (!m)
> 



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