[U-Boot] [PATCH] omap_hsmmc: Allow for board-specific MMC power init

[Paul Kocialkowski]

Some devices may use non-standard combinations of regulators to power MMC:
this allows these devices to provide a board-specific MMC power init function
to set everything up in their own way.

Signed-off-by: Paul Kocialkowski <contact at paulk.fr>
---
 arch/arm/include/asm/omap_mmc.h |    4 +++-
 drivers/mmc/omap_hsmmc.c        |    4 +++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/arch/arm/include/asm/omap_mmc.h b/arch/arm/include/asm/omap_mmc.h
index 617e22f..b6a8325 100644
--- a/arch/arm/include/asm/omap_mmc.h
+++ b/arch/arm/include/asm/omap_mmc.h
@@ -164,5 +164,7 @@ struct hsmmc {
 int omap_mmc_init(int dev_index, uint host_caps_mask, uint f_max, int cd_gpio,
 		int wp_gpio);
 
-
+#ifdef CONFIG_OMAP_HSMMC_BOARD_POWER_INIT
+void omap_hsmmc_board_power_init(void);
+#endif
 #endif /* OMAP_MMC_H_ */
diff --git a/drivers/mmc/omap_hsmmc.c b/drivers/mmc/omap_hsmmc.c
index ef2cbf9..ef4c5cf 100644
--- a/drivers/mmc/omap_hsmmc.c
+++ b/drivers/mmc/omap_hsmmc.c
@@ -136,7 +136,9 @@ static unsigned char mmc_board_init(struct mmc *mmc)
 	pbias_lite &= ~(PBIASLITEPWRDNZ1 | PBIASLITEPWRDNZ0);
 	writel(pbias_lite, &t2_base->pbias_lite);
 #endif
-#if defined(CONFIG_TWL4030_POWER)
+#if defined(CONFIG_OMAP_HSMMC_BOARD_POWER_INIT)
+	omap_hsmmc_board_power_init();
+#elif defined(CONFIG_TWL4030_POWER)
 	twl4030_power_mmc_init();
 	mdelay(100);	/* ramp-up delay from Linux code */
 #endif
-- 
1.7.9.5