[PATCH 1/2] sdhci-esdhc-imx: fix timeout on i.MX's sdhci
Wolfram Sang
w.sang at pengutronix.de
Fri Oct 22 02:15:37 EDT 2010
On Thu, Oct 21, 2010 at 11:20:27PM +0200, Eric Bénard wrote:
> this patch fix timeout problems on i.MX's sdhci as suggested by
> Richard Zhu.
>
> Tested on :
> - i.MX257 : not needed
> - i.MX357 : needed
> - i.MX515 : needed
>
> more details can be found here :
> http://lists.infradead.org/pipermail/linux-arm-kernel/2010-October/029748.html
>
> Signed-off-by: Eric Bénard <eric at eukrea.com>
> Tested-by: Shawn Guo <shawn.gsc at gmail.com>
> ---
> drivers/mmc/host/sdhci-esdhc-imx.c | 6 ++++++
> 1 files changed, 6 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
> index afbac9a..11e1ae1 100644
> --- a/drivers/mmc/host/sdhci-esdhc-imx.c
> +++ b/drivers/mmc/host/sdhci-esdhc-imx.c
> @@ -130,6 +130,12 @@ static int esdhc_pltfm_init(struct sdhci_host *host, struct sdhci_pltfm_data *pd
> gpio_request(boarddata->wp_gpio, "SD_WP");
> gpio_direction_input(boarddata->wp_gpio);
> }
> +
> + if (cpu_is_mx35() || cpu_is_mx51()) {
> + dev_info(mmc_dev(host->mmc), "using broken timeout quirk\n");
Please drop this line. The boot log is full enough IMO :)
Other than that:
Acked-by: Wolfram Sang <w.sang at pengutronix.de>
> + host->quirks |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL;
> + }
> +
> return 0;
> }
>
> --
> 1.7.0.4
>
--
Pengutronix e.K. | Wolfram Sang |
Industrial Linux Solutions | http://www.pengutronix.de/ |
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 197 bytes
Desc: Digital signature
URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20101022/ed08e96b/attachment.sig>
More information about the linux-arm-kernel
mailing list