diff options
Diffstat (limited to 'drivers/spi/spi.c')
| -rw-r--r-- | drivers/spi/spi.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index d74d341f9890..ed6b8ae2f1ee 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -722,6 +722,7 @@ static int spi_map_buf(struct spi_master *master, struct device *dev, int desc_len; int sgs; struct page *vm_page; + struct scatterlist *sg; void *sg_buf; size_t min; int i, ret; @@ -740,6 +741,7 @@ static int spi_map_buf(struct spi_master *master, struct device *dev, if (ret != 0) return ret; + sg = &sgt->sgl[0]; for (i = 0; i < sgs; i++) { if (vmalloced_buf || kmap_buf) { @@ -759,16 +761,17 @@ static int spi_map_buf(struct spi_master *master, struct device *dev, sg_free_table(sgt); return -ENOMEM; } - sg_set_page(&sgt->sgl[i], vm_page, + sg_set_page(sg, vm_page, min, offset_in_page(buf)); } else { min = min_t(size_t, len, desc_len); sg_buf = buf; - sg_set_buf(&sgt->sgl[i], sg_buf, min); + sg_set_buf(sg, sg_buf, min); } buf += min; len -= min; + sg = sg_next(sg); } ret = dma_map_sg(dev, sgt->sgl, sgt->nents, dir); |