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-rw-r--r--drivers/mmc/omap_hsmmc.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/mmc/omap_hsmmc.c b/drivers/mmc/omap_hsmmc.c
index dcbde89..957b987 100644
--- a/drivers/mmc/omap_hsmmc.c
+++ b/drivers/mmc/omap_hsmmc.c
@@ -467,6 +467,14 @@ int omap_mmc_init(int dev_index)
mmc->b_max = 0;
+#if defined(CONFIG_OMAP34XX)
+ /*
+ * Silicon revs 2.1 and older do not support multiblock transfers.
+ */
+ if ((get_cpu_family() == CPU_OMAP34XX) && (get_cpu_rev() <= CPU_3XX_ES21))
+ mmc->b_max = 1;
+#endif
+
mmc_register(mmc);
return 0;