diff options
Diffstat (limited to 'board/olimex/imx233_olinuxino/linux-02-mmc-mxs-mmc-add-non-removable-property.patch')
| -rw-r--r-- | board/olimex/imx233_olinuxino/linux-02-mmc-mxs-mmc-add-non-removable-property.patch | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/board/olimex/imx233_olinuxino/linux-02-mmc-mxs-mmc-add-non-removable-property.patch b/board/olimex/imx233_olinuxino/linux-02-mmc-mxs-mmc-add-non-removable-property.patch new file mode 100644 index 000000000..f7446cada --- /dev/null +++ b/board/olimex/imx233_olinuxino/linux-02-mmc-mxs-mmc-add-non-removable-property.patch @@ -0,0 +1,53 @@ +From 5086e5f41fd107539911edf62f2d202753ed1980 Mon Sep 17 00:00:00 2001 +From: Marc Kleine-Budde <mkl@pengutronix.de> +Date: Wed, 10 Apr 2013 11:13:44 +0200 +Subject: [PATCH 2/3] mmc: mxs-mmc: add non-removable property + +Some boards have non removable cards like eMMC. Handle such case. + +Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> +Acked-by: Shawn Guo <shawn.guo@linaro.org> +Signed-off-by: Chris Ball <cjb@laptop.org> +--- + drivers/mmc/host/mxs-mmc.c | 10 +++++++--- + 1 file changed, 7 insertions(+), 3 deletions(-) + +diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c +index 0cdf1f6..c231881 100644 +--- a/drivers/mmc/host/mxs-mmc.c ++++ b/drivers/mmc/host/mxs-mmc.c +@@ -73,6 +73,7 @@ struct mxs_mmc_host { + int wp_gpio; + bool wp_inverted; + bool cd_inverted; ++ bool non_removable; + }; + + static int mxs_mmc_get_ro(struct mmc_host *mmc) +@@ -96,8 +97,9 @@ static int mxs_mmc_get_cd(struct mmc_host *mmc) + struct mxs_mmc_host *host = mmc_priv(mmc); + struct mxs_ssp *ssp = &host->ssp; + +- return !(readl(ssp->base + HW_SSP_STATUS(ssp)) & +- BM_SSP_STATUS_CARD_DETECT)) ^ host->cd_inverted; ++ return host->non_removable || ++ !(readl(ssp->base + HW_SSP_STATUS(ssp)) & ++ BM_SSP_STATUS_CARD_DETECT) ^ host->cd_inverted; + } + + static void mxs_mmc_reset(struct mxs_mmc_host *host) +@@ -687,8 +689,10 @@ static int mxs_mmc_probe(struct platform_device *pdev) + mmc->caps |= MMC_CAP_4_BIT_DATA; + else if (bus_width == 8) + mmc->caps |= MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA; ++ host->non_removable = of_property_read_bool(np, "non-removable"); ++ if (host->non_removable) ++ mmc->caps |= MMC_CAP_NONREMOVABLE; + host->wp_gpio = of_get_named_gpio_flags(np, "wp-gpios", 0, &flags); +- + if (flags & OF_GPIO_ACTIVE_LOW) + host->wp_inverted = 1; + +-- +1.8.1.5 + |