hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

mmc: omap: use for_each_sg() for scatterlist parsing 

See Documentation/DMA-API.txt - Part Id

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Fabian Frederick 2015-06-16 21:15:15 +02:00 committed by Ulf Hansson
parent 2d532d458b
commit 8292adc6ba
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/mmc/host/omap.c
View File

@ -948,6 +948,7 @@ mmc_omap_prepare_data(struct mmc_omap_host *host, struct mmc_request *req)
{
struct mmc_data *data = req->data;
int i, use_dma = 1, block_size;
struct scatterlist *sg;
unsigned sg_len;
host->data = data;
@ -972,8 +973,8 @@ mmc_omap_prepare_data(struct mmc_omap_host *host, struct mmc_request *req)
sg_len = (data->blocks == 1) ? 1 : data->sg_len;
/* Only do DMA for entire blocks */
for (i = 0; i < sg_len; i++) {
if ((data->sg[i].length % block_size) != 0) {
for_each_sg(data->sg, sg, sg_len, i) {
if ((sg->length % block_size) != 0) {
use_dma = 0;
break;
}