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;
>
next prev parent 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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