Hi Takashi,
On Wed, Dec 22, 2010 at 09:59:44AM +0100, Takashi Iwai wrote:
> Subject: [PATCH] mmc: fix mmc_set_bus_width_ddr() call without bus-width-test cap
>
> With the bus-width test patch, mmc_set_bus_width*() isn't called properly
> when the driver doesn't set MMC_CAP_BUS_WIDTH and no DDR mode.
> This patch fixes the regression by moving the call up before the cap test.
>
> Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
> ---
> drivers/mmc/core/mmc.c | 4 ++--
> 1 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
> index 1d8409f..c86dd73 100644
> --- a/drivers/mmc/core/mmc.c
> +++ b/drivers/mmc/core/mmc.c
> @@ -558,6 +558,8 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
> EXT_CSD_BUS_WIDTH,
> ext_csd_bits[idx][0]);
> if (!err) {
> + mmc_set_bus_width_ddr(card->host,
> + bus_width, MMC_SDR_MODE);
> /*
> * If controller can't handle bus width test,
> * use the highest bus width to maintain
> @@ -565,8 +567,6 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
> */
> if (!(host->caps & MMC_CAP_BUS_WIDTH_TEST))
> break;
> - mmc_set_bus_width_ddr(card->host,
> - bus_width, MMC_SDR_MODE);
> err = mmc_bus_test(card, bus_width);
> if (!err)
> break;
Thanks, I've pushed this fix to mmc-next now.
--
Chris Ball <cjb@xxxxxxxxxx> <http://printf.net/>
One Laptop Per Child
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