[PATCH RFC 03/13] mmc: mtk-sd: fix deferred probing

[AngeloGioacchino Del Regno]

Il 23/12/21 18:11, Sergey Shtylyov ha scritto:
> The driver overrides the error codes returned by platform_get_irq() to
> -EINVAL, so if it returns -EPROBE_DEFER, the driver will fail the probe
> permanently instead of the deferred probing. Switch to propagating the
> error codes upstream.
> 
> Fixes: 208489032bdd ("mmc: mediatek: Add Mediatek MMC driver")
> Signed-off-by: Sergey Shtylyov <s.shtylyov at omp.ru>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>

> ---
>   drivers/mmc/host/mtk-sd.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c
> index 632775217d35..4bd070a458e9 100644
> --- a/drivers/mmc/host/mtk-sd.c
> +++ b/drivers/mmc/host/mtk-sd.c
> @@ -2590,7 +2590,7 @@ static int msdc_drv_probe(struct platform_device *pdev)
>   
>   	host->irq = platform_get_irq(pdev, 0);
>   	if (host->irq < 0) {
> -		ret = -EINVAL;
> +		ret = host->irq;
>   		goto host_free;
>   	}
>   
>