OMAP4 ES2: HSMMC soft reset change

The omap4 es2 hsmmc has a updated soft reset logic.After the
reset is issued monitor a 0->1 transition first. The reset of
CMD or DATA lines is complete only after a 0->1->0 transition
of SRC or SRD bits.

Signed-off-by: Madhusudhan Chikkature <madhu.cr@ti.com>
Tested-by: Anand Gadiyar <gadiyar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c
index eb92b8107d2c..df1311d93eba 100644
--- a/arch/arm/mach-omap2/hsmmc.c
+++ b/arch/arm/mach-omap2/hsmmc.c
@@ -303,6 +303,9 @@ void __init omap2_hsmmc_init(struct omap2_hsmmc_info *controllers)
                 else
                         mmc->slots[0].features |= HSMMC_HAS_PBIAS;
 
+                if (cpu_is_omap44xx() && (omap_rev() > OMAP4430_REV_ES1_0))
+                        mmc->slots[0].features |= HSMMC_HAS_UPDATED_RESET;
+
                 switch (c->mmc) {
                 case 1:
                         if (mmc->slots[0].features & HSMMC_HAS_PBIAS) {