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-rw-r--r--drivers/mmc/host/sdhci.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 62041c7e924..fc96f8cb9c0 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -773,8 +773,14 @@ static void sdhci_prepare_data(struct sdhci_host *host, struct mmc_data *data)
}
if (!(host->flags & SDHCI_REQ_USE_DMA)) {
- sg_miter_start(&host->sg_miter,
- data->sg, data->sg_len, SG_MITER_ATOMIC);
+ int flags;
+
+ flags = SG_MITER_ATOMIC;
+ if (host->data->flags & MMC_DATA_READ)
+ flags |= SG_MITER_TO_SG;
+ else
+ flags |= SG_MITER_FROM_SG;
+ sg_miter_start(&host->sg_miter, data->sg, data->sg_len, flags);
host->blocks = data->blocks;
}