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mmc: mxs: use standard flag for cd inverted 

We have a MMC_CAP2_CD_ACTIVE_HIGH flag, so use it rather than a custom
driver specific flag.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
This commit is contained in:
Sascha Hauer 2013-12-05 14:34:49 +01:00 committed by Chris Ball
parent a91fe279ae
commit 6c3331d3ac
1 changed files with 10 additions and 4 deletions
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14
drivers/mmc/host/mxs-mmc.c
View File

@ -71,7 +71,6 @@ struct mxs_mmc_host {
int sdio_irq_en;
int wp_gpio;
bool wp_inverted;
bool cd_inverted;
};
static int mxs_mmc_get_ro(struct mmc_host *mmc)
@ -94,9 +93,15 @@ static int mxs_mmc_get_cd(struct mmc_host *mmc)
{
struct mxs_mmc_host *host = mmc_priv(mmc);
struct mxs_ssp *ssp = &host->ssp;
int present;
return !(readl(ssp->base + HW_SSP_STATUS(ssp)) &
BM_SSP_STATUS_CARD_DETECT) ^ host->cd_inverted;
present = !(readl(ssp->base + HW_SSP_STATUS(ssp)) &
BM_SSP_STATUS_CARD_DETECT);
if (mmc->caps2 & MMC_CAP2_CD_ACTIVE_HIGH)
present = !present;
return present;
}
static int mxs_mmc_reset(struct mxs_mmc_host *host)
@ -658,7 +663,8 @@ static int mxs_mmc_probe(struct platform_device *pdev)
if (flags & OF_GPIO_ACTIVE_LOW)
host->wp_inverted = 1;
host->cd_inverted = of_property_read_bool(np, "cd-inverted");
if (of_property_read_bool(np, "cd-inverted"))
mmc->caps2 |= MMC_CAP2_CD_ACTIVE_HIGH;
mmc->f_min = 400000;
mmc->f_max = 288000000;