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path: root/drivers/mmc/host/mxs-mmc.c
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Diffstat (limited to 'drivers/mmc/host/mxs-mmc.c')
-rw-r--r--drivers/mmc/host/mxs-mmc.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c
index 4efe3021b217..146a53bfab71 100644
--- a/drivers/mmc/host/mxs-mmc.c
+++ b/drivers/mmc/host/mxs-mmc.c
@@ -72,6 +72,9 @@ struct mxs_mmc_host {
int sdio_irq_en;
int wp_gpio;
bool wp_inverted;
+ bool cd_inverted;
+ bool broken_cd;
+ bool non_removable;
};
static int mxs_mmc_get_ro(struct mmc_host *mmc)
@@ -95,8 +98,9 @@ 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);
+ return host->non_removable || host->broken_cd ||
+ !(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)
@@ -686,11 +690,16 @@ 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->broken_cd = of_property_read_bool(np, "broken-cd");
+ 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;
+ host->cd_inverted = of_property_read_bool(np, "cd-inverted");
+
mmc->f_min = 400000;
mmc->f_max = 288000000;
mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34;