diff mbox

[1/7] mmc: android-goldfish: use sg_copy_{from,to}_buffer

Message ID 20180509135525.19885-2-hch@lst.de (mailing list archive)
State New, archived
Headers show

Commit Message

Christoph Hellwig May 9, 2018, 1:55 p.m. UTC 
This handles highmem pages, and also cleans up the code.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 drivers/mmc/host/android-goldfish.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
diff mbox

Patch

diff --git a/drivers/mmc/host/android-goldfish.c b/drivers/mmc/host/android-goldfish.c
index 63d27589cd89..294de177632c 100644
--- a/drivers/mmc/host/android-goldfish.c
+++ b/drivers/mmc/host/android-goldfish.c
@@ -217,8 +217,8 @@  static void goldfish_mmc_xfer_done(struct goldfish_mmc_host *host,
 			 * We don't really have DMA, so we need
 			 * to copy from our platform driver buffer
 			 */
-			uint8_t *dest = (uint8_t *)sg_virt(data->sg);
-			memcpy(dest, host->virt_base, data->sg->length);
+			sg_copy_to_buffer(data->sg, 1, host->virt_base,
+					data->sg->length);
 		}
 		host->data->bytes_xfered += data->sg->length;
 		dma_unmap_sg(mmc_dev(host->mmc), data->sg, host->sg_len,
@@ -393,8 +393,8 @@  static void goldfish_mmc_prepare_data(struct goldfish_mmc_host *host,
 		 * We don't really have DMA, so we need to copy to our
 		 * platform driver buffer
 		 */
-		const uint8_t *src = (uint8_t *)sg_virt(data->sg);
-		memcpy(host->virt_base, src, data->sg->length);
+		sg_copy_from_buffer(data->sg, 1, host->virt_base,
+				data->sg->length);
 	}
 }