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Commit 53d7e098 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Ulf Hansson
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mmc: android-goldfish: use sg_copy_{from,to}_buffer 



This handles highmem pages, and also cleans up the code.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent 65f9e20e

drivers/mmc/host/android-goldfish.c

+4 −4
Original line number Diff line number Diff line
@@ -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);

	}

}