From 5086e5f41fd107539911edf62f2d202753ed1980 Mon Sep 17 00:00:00 2001 From: Marc Kleine-Budde 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 Acked-by: Shawn Guo Signed-off-by: Chris Ball --- 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