From: Girish K S <girish.shivananjappa@linaro.org>
To: linux-mmc@vger.kernel.org
Cc: cjb@laptop.org, patches@linaro.org,
linux-samsung-soc@vger.kernel.org,
Girish K S <girish.shivananjappa@linaro.org>
Subject: Re: [PATCH] mmc: core: Fix Low speed mmc card detection failure
Date: Tue, 31 Jan 2012 09:08:34 +0530 [thread overview]
Message-ID: <CAGxe1ZHmnKAOpSy9X=vSYOPupQNwv2MDUE_DVT+pOYXGPch8qA@mail.gmail.com> (raw)
In-Reply-To: <1326943579-30952-1-git-send-email-girish.shivananjappa@linaro.org>
Hi Chris,
can you consider this patch in your next branch.
regards
Girish K S
On 19 January 2012 08:56, Girish K S <girish.shivananjappa@linaro.org> wrote:
> This patch fixes the failure of low speed mmc card detection
>
> Signed-off-by: Girish K S <girish.shivananjappa@linaro.org>
> ---
> drivers/mmc/core/mmc.c | 5 +++--
> 1 files changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
> index dc03291..2bc586b 100644
> --- a/drivers/mmc/core/mmc.c
> +++ b/drivers/mmc/core/mmc.c
> @@ -1020,7 +1020,8 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
> err = mmc_select_hs200(card);
> else if (host->caps & MMC_CAP_MMC_HIGHSPEED)
> err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
> - EXT_CSD_HS_TIMING, 1, 0);
> + EXT_CSD_HS_TIMING, 1,
> + card->ext_csd.generic_cmd6_time);
>
> if (err && err != -EBADMSG)
> goto free_card;
> @@ -1130,7 +1131,7 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
> * Activate wide bus and DDR (if supported).
> */
> if (!mmc_card_hs200(card) &&
> - (card->csd.mmca_vsn >= CSD_SPEC_VER_3) &&
> + (card->csd.mmca_vsn >= CSD_SPEC_VER_4) &&
> (host->caps & (MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA))) {
> static unsigned ext_csd_bits[][2] = {
> { EXT_CSD_BUS_WIDTH_8, EXT_CSD_DDR_BUS_WIDTH_8 },
> --
> 1.7.1
>
next prev parent reply other threads:[~2012-01-31 3:38 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-19 3:26 [PATCH] mmc: core: Fix Low speed mmc card detection failure Girish K S
2012-01-31 3:38 ` Girish K S [this message]
2012-02-04 22:33 ` Chris Ball
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