mmc: add two capability flags for CD and WP signal polarity

To handle CD and WP SD/MMC slot pins we need generic flags to specify their
polarity.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>

diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 90b6a38..c1a03ee 100644 (file)
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -256,6 +256,8 @@ struct mmc_host {
 #define MMC_CAP2_BROKEN_VOLTAGE        (1 << 7)        /* Use the broken voltage */
 #define MMC_CAP2_DETECT_ON_ERR (1 << 8)        /* On I/O err check card removal */
 #define MMC_CAP2_HC_ERASE_SZ   (1 << 9)        /* High-capacity erase size */
+#define MMC_CAP2_CD_ACTIVE_HIGH        (1 << 10)       /* Card-detect signal active high */
+#define MMC_CAP2_RO_ACTIVE_HIGH        (1 << 11)       /* Write-protect signal active high */
 
        mmc_pm_flag_t           pm_caps;        /* supported pm features */
        unsigned int        power_notify_type;