diff options
Diffstat (limited to 'drivers/ata/ahci.c')
| -rw-r--r-- | drivers/ata/ahci.c | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 5eee91c73c90..cffad07c65bf 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -1483,28 +1483,24 @@ static void ahci_tf_read(struct ata_port *ap, struct ata_taskfile *tf) static unsigned int ahci_fill_sg(struct ata_queued_cmd *qc, void *cmd_tbl) { struct scatterlist *sg; - struct ahci_sg *ahci_sg; - unsigned int n_sg = 0; + struct ahci_sg *ahci_sg = cmd_tbl + AHCI_CMD_TBL_HDR_SZ; + unsigned int si; VPRINTK("ENTER\n"); /* * Next, the S/G list. */ - ahci_sg = cmd_tbl + AHCI_CMD_TBL_HDR_SZ; - ata_for_each_sg(sg, qc) { + for_each_sg(qc->sg, sg, qc->n_elem, si) { dma_addr_t addr = sg_dma_address(sg); u32 sg_len = sg_dma_len(sg); - ahci_sg->addr = cpu_to_le32(addr & 0xffffffff); - ahci_sg->addr_hi = cpu_to_le32((addr >> 16) >> 16); - ahci_sg->flags_size = cpu_to_le32(sg_len - 1); - - ahci_sg++; - n_sg++; + ahci_sg[si].addr = cpu_to_le32(addr & 0xffffffff); + ahci_sg[si].addr_hi = cpu_to_le32((addr >> 16) >> 16); + ahci_sg[si].flags_size = cpu_to_le32(sg_len - 1); } - return n_sg; + return si; } static void ahci_qc_prep(struct ata_queued_cmd *qc) |