From: Jens Axboe Date: Wed, 9 May 2007 11:18:54 +0000 (+0200) Subject: aic94xx: sg chaining support X-Git-Tag: firefly_0821_release~25449^2~1^2~32 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=8145bfe463f4dcd644304933e6b80460557daa44;p=firefly-linux-kernel-4.4.55.git aic94xx: sg chaining support Signed-off-by: Jens Axboe --- diff --git a/drivers/scsi/aic94xx/aic94xx_task.c b/drivers/scsi/aic94xx/aic94xx_task.c index f2b23e01401a..ee0a98bffcd4 100644 --- a/drivers/scsi/aic94xx/aic94xx_task.c +++ b/drivers/scsi/aic94xx/aic94xx_task.c @@ -94,7 +94,7 @@ static inline int asd_map_scatterlist(struct sas_task *task, res = -ENOMEM; goto err_unmap; } - for (sc = task->scatter, i = 0; i < num_sg; i++, sc++) { + for_each_sg(task->scatter, sc, num_sg, i) { struct sg_el *sg = &((struct sg_el *)ascb->sg_arr->vaddr)[i]; sg->bus_addr = cpu_to_le64((u64)sg_dma_address(sc)); @@ -103,7 +103,7 @@ static inline int asd_map_scatterlist(struct sas_task *task, sg->flags |= ASD_SG_EL_LIST_EOL; } - for (sc = task->scatter, i = 0; i < 2; i++, sc++) { + for_each_sg(task->scatter, sc, 2, i) { sg_arr[i].bus_addr = cpu_to_le64((u64)sg_dma_address(sc)); sg_arr[i].size = cpu_to_le32((u32)sg_dma_len(sc)); @@ -115,7 +115,7 @@ static inline int asd_map_scatterlist(struct sas_task *task, sg_arr[2].bus_addr=cpu_to_le64((u64)ascb->sg_arr->dma_handle); } else { int i; - for (sc = task->scatter, i = 0; i < num_sg; i++, sc++) { + for_each_sg(task->scatter, sc, num_sg, i) { sg_arr[i].bus_addr = cpu_to_le64((u64)sg_dma_address(sc)); sg_arr[i].size = cpu_to_le32((u32)sg_dma_len(sc));