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From: Jaehoon Chung <jh80.chung@samsung.com>
To: Zhangfei Gao <zhangfei.gao@linaro.org>
Cc: linux-mmc@vger.kernel.org
Subject: Re: [PATCH] mmc: dw_mmc: dw_mci_get_cd check MMC_CAP_NONREMOVABLE
Date: Wed, 06 May 2015 09:36:55 +0900	[thread overview]
Message-ID: <55496227.9000904@samsung.com> (raw)
In-Reply-To: <1430816089-8857-1-git-send-email-zhangfei.gao@linaro.org>

Hi, Zhangfei.

If you want to check it, use the "broken-cd" and "non-removable" properties into dt-file.
Did you use them?

Best Regards,
Jaehoon Chung

On 05/05/2015 05:54 PM, Zhangfei Gao wrote:
> When non-removable is used for emmc,  MMC_CAP_NONREMOVABLE should
> also be checked, otherwise detection fail since present=0
> 
> Signed-off-by: Zhangfei Gao <zhangfei.gao@linaro.org>
> ---
>  drivers/mmc/host/dw_mmc.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
> index 488a8af..5d327e4 100644
> --- a/drivers/mmc/host/dw_mmc.c
> +++ b/drivers/mmc/host/dw_mmc.c
> @@ -1308,7 +1308,8 @@ static int dw_mci_get_cd(struct mmc_host *mmc)
>  	int gpio_cd = mmc_gpio_get_cd(mmc);
>  
>  	/* Use platform get_cd function, else try onboard card detect */
> -	if (brd->quirks & DW_MCI_QUIRK_BROKEN_CARD_DETECTION)
> +	if ((brd->quirks & DW_MCI_QUIRK_BROKEN_CARD_DETECTION) ||
> +	    (mmc->caps & MMC_CAP_NONREMOVABLE))
>  		present = 1;
>  	else if (!IS_ERR_VALUE(gpio_cd))
>  		present = gpio_cd;
> 


  reply	other threads:[~2015-05-06  0:37 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-05  8:54 [PATCH] mmc: dw_mmc: dw_mci_get_cd check MMC_CAP_NONREMOVABLE Zhangfei Gao
2015-05-06  0:36 ` Jaehoon Chung [this message]
2015-05-06  1:14   ` Zhangfei Gao
2015-05-06  1:26     ` Jaehoon Chung
2015-05-06  1:33       ` zhangfei
2015-05-06  1:39         ` Jaehoon Chung
2015-05-06  1:53           ` zhangfei
2015-05-06  2:16           ` zhangfei
2015-05-06  4:21             ` Jaehoon Chung
2015-05-06  5:30               ` zhangfei
2015-05-06  6:13                 ` Jaehoon Chung
2015-05-06  6:30                   ` zhangfei
2015-05-06  7:23                     ` Arnd Bergmann

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