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-rw-r--r--drivers/mmc/fsl_esdhc.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c
index c4719e6..0510bf0 100644
--- a/drivers/mmc/fsl_esdhc.c
+++ b/drivers/mmc/fsl_esdhc.c
@@ -341,6 +341,9 @@ esdhc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
err = esdhc_setup_data(mmc, data);
if(err)
return err;
+
+ if (data->flags & MMC_DATA_READ)
+ check_and_invalidate_dcache_range(cmd, data);
}
/* Figure out the transfer arguments */
@@ -437,6 +440,11 @@ esdhc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
}
} while ((irqstat & DATA_COMPLETE) != DATA_COMPLETE);
+ /*
+ * Need invalidate the dcache here again to avoid any
+ * cache-fill during the DMA operations such as the
+ * speculative pre-fetching etc.
+ */
if (data->flags & MMC_DATA_READ)
check_and_invalidate_dcache_range(cmd, data);
#endif