omap_hsmmc: add init_card pass-through callback

This will allow us to set up special cards in machine drivers just after
they are detected by MMC core.

Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Cc: Adrian Hunter <adrian.hunter@nokia.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Bob Copeland <me@bobcopeland.com>
Cc: Kalle Valo <kvalo@adurom.com>
Cc: Madhusudhan Chikkature <madhu.cr@ti.com>
Cc: Kishore Kadiyala <kishore.kadiyala@ti.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/arch/arm/plat-omap/include/plat/mmc.h b/arch/arm/plat-omap/include/plat/mmc.h
index c835f1e..9b89ec6 100644 (file)
--- a/arch/arm/plat-omap/include/plat/mmc.h
+++ b/arch/arm/plat-omap/include/plat/mmc.h
@@ -122,6 +122,8 @@ struct omap_mmc_platform_data {
                /* Call back after enabling / disabling regulators */
                void (*after_set_reg)(struct device *dev, int slot,
                                      int power_on, int vdd);
+               /* if we have special card, init it using this callback */
+               void (*init_card)(struct mmc_card *card);
 
                /* return MMC cover switch state, can be NULL if not supported.
                 *

diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index a0c8515..ee1a309 100644 (file)
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -1598,6 +1598,14 @@ static int omap_hsmmc_get_ro(struct mmc_host *mmc)
        return mmc_slot(host).get_ro(host->dev, 0);
 }
 
+static void omap_hsmmc_init_card(struct mmc_host *mmc, struct mmc_card *card)
+{
+       struct omap_hsmmc_host *host = mmc_priv(mmc);
+
+       if (mmc_slot(host).init_card)
+               mmc_slot(host).init_card(card);
+}
+
 static void omap_hsmmc_conf_bus_power(struct omap_hsmmc_host *host)
 {
        u32 hctl, capa, value;
@@ -1869,6 +1877,7 @@ static const struct mmc_host_ops omap_hsmmc_ops = {
        .set_ios = omap_hsmmc_set_ios,
        .get_cd = omap_hsmmc_get_cd,
        .get_ro = omap_hsmmc_get_ro,
+       .init_card = omap_hsmmc_init_card,
        /* NYET -- enable_sdio_irq */
 };
 
@@ -1879,6 +1888,7 @@ static const struct mmc_host_ops omap_hsmmc_ps_ops = {
        .set_ios = omap_hsmmc_set_ios,
        .get_cd = omap_hsmmc_get_cd,
        .get_ro = omap_hsmmc_get_ro,
+       .init_card = omap_hsmmc_init_card,
        /* NYET -- enable_sdio_irq */
 };