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authorChristoph Hellwig <hch@lst.de>2018-05-18 19:18:41 +0200
committerUlf Hansson <ulf.hansson@linaro.org>2018-05-21 15:49:19 +0200
commit53d7e098ba085584e9ce083e8a1041284b351878 (patch)
tree5220d693473afc752550bec18e6348823335aa16 /drivers/mmc
parent65f9e20e0d34902e442818760217501f05d17b6c (diff)
mmc: android-goldfish: use sg_copy_{from,to}_buffer
This handles highmem pages, and also cleans up the code. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/host/android-goldfish.c8
1 files changed, 4 insertions, 4 deletions
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);
}
}