ARM: OMAP3xxx: HSMMC: avoid erratum workaround when transceiver is attached

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / arch / arm / mach-omap2 / hsmmc.c

diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c
index 100db6217f39984428ba49df988df65c2307f936..b0268eaffe1353dcba99f46eaf76971ccb94c178 100644 (file)
--- a/arch/arm/mach-omap2/hsmmc.c
+++ b/arch/arm/mach-omap2/hsmmc.c
@@ -506,6 +506,13 @@ static void __init omap_hsmmc_init_one(struct omap2_hsmmc_info *hsmmcinfo,
        if (oh->dev_attr != NULL) {
                mmc_dev_attr = oh->dev_attr;
                mmc_data->controller_flags = mmc_dev_attr->flags;
+               /*
+                * erratum 2.1.1.128 doesn't apply if board has
+                * a transceiver is attached
+                */
+               if (hsmmcinfo->transceiver)
+                       mmc_data->controller_flags &=
+                               ~OMAP_HSMMC_BROKEN_MULTIBLOCK_READ;
        }
 
        pdev = platform_device_alloc(name, ctrl_nr - 1);