Re: [PATCH] mmc: sdhci-msm: Do not reset the controller if no card in the slot

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On Fri 24 Jun 09:24 PDT 2016, Georgi Djakov wrote:

> The controller does not clear the "reset bit" when it is reset without
> a card in the slot. Because of this, the following error message is seen
> while booting with no plugged SD card.
> 
> mmc1: Reset 0x1 never completed.
> 
> Add the SDHCI_QUIRK_NO_CARD_NO_RESET quirk to avoid this.
> 
> Signed-off-by: Ivan T. Ivanov <ivan.ivanov@xxxxxxxxxx>
> Signed-off-by: Georgi Djakov <georgi.djakov@xxxxxxxxxx>

Tested-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>

Regards,
Bjorn

> ---
>  drivers/mmc/host/sdhci-msm.c |    1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c
> index ac5700233e12..c613137ae91e 100644
> --- a/drivers/mmc/host/sdhci-msm.c
> +++ b/drivers/mmc/host/sdhci-msm.c
> @@ -477,6 +477,7 @@ static const struct sdhci_ops sdhci_msm_ops = {
>  
>  static const struct sdhci_pltfm_data sdhci_msm_pdata = {
>  	.quirks = SDHCI_QUIRK_BROKEN_CARD_DETECTION |
> +		  SDHCI_QUIRK_NO_CARD_NO_RESET |
>  		  SDHCI_QUIRK_SINGLE_POWER_WRITE,
>  	.ops = &sdhci_msm_ops,
>  };
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