diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 5352cd7..2690b64 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -481,6 +481,8 @@ static int mmc_read_ext_csd(struct mmc_card *card, u8 *ext_csd)
 
 	if (card->ext_csd.rev >= 5) {
 		/* check whether the eMMC card supports HPI */
+#if 0
+// comment for emmc HPI patch
 		if (ext_csd[EXT_CSD_HPI_FEATURES] & 0x1) {
 			card->ext_csd.hpi = 1;
 			if (ext_csd[EXT_CSD_HPI_FEATURES] & 0x2)
@@ -495,6 +497,7 @@ static int mmc_read_ext_csd(struct mmc_card *card, u8 *ext_csd)
 				ext_csd[EXT_CSD_OUT_OF_INTERRUPT_TIME] * 10;
 		}
 
+#endif
 		card->ext_csd.rel_param = ext_csd[EXT_CSD_WR_REL_PARAM];
 		card->ext_csd.rst_n_function = ext_csd[EXT_CSD_RST_N_FUNCTION];
 	}