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path: root/drivers/mmc/host/sdhci-esdhc-mcf.c
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Diffstat (limited to 'drivers/mmc/host/sdhci-esdhc-mcf.c')
-rw-r--r--drivers/mmc/host/sdhci-esdhc-mcf.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/mmc/host/sdhci-esdhc-mcf.c b/drivers/mmc/host/sdhci-esdhc-mcf.c
index a07f8333cd6b..c97363e2d86c 100644
--- a/drivers/mmc/host/sdhci-esdhc-mcf.c
+++ b/drivers/mmc/host/sdhci-esdhc-mcf.c
@@ -299,9 +299,8 @@ static void esdhc_mcf_pltfm_set_bus_width(struct sdhci_host *host, int width)
static void esdhc_mcf_request_done(struct sdhci_host *host,
struct mmc_request *mrq)
{
- struct scatterlist *sg;
+ struct sg_mapping_iter sgm;
u32 *buffer;
- int i;
if (!mrq->data || !mrq->data->bytes_xfered)
goto exit_done;
@@ -313,10 +312,13 @@ static void esdhc_mcf_request_done(struct sdhci_host *host,
* On mcf5441x there is no hw sdma option/flag to select the dma
* transfer endiannes. A swap after the transfer is needed.
*/
- for_each_sg(mrq->data->sg, sg, mrq->data->sg_len, i) {
- buffer = (u32 *)sg_virt(sg);
- esdhc_mcf_buffer_swap32(buffer, sg->length);
+ sg_miter_start(&sgm, mrq->data->sg, mrq->data->sg_len,
+ SG_MITER_ATOMIC | SG_MITER_TO_SG | SG_MITER_FROM_SG);
+ while (sg_miter_next(&sgm)) {
+ buffer = sgm.addr;
+ esdhc_mcf_buffer_swap32(buffer, sgm.length);
}
+ sg_miter_stop(&sgm);
exit_done:
mmc_request_done(host->mmc, mrq);