On 10/18/18 6:03 AM, Christoph Hellwig wrote:
This also moves the optimization for builds with 32-bit dma_addr_t to
the compiler (where it belongs) instead of opencoding it based on
incorrect assumptions.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
drivers/scsi/qla2xxx/qla_target.c | 8 ++++----
drivers/scsi/qla2xxx/qla_target.h | 8 --------
2 files changed, 4 insertions(+), 12 deletions(-)
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index 39828207bc1d..443711238c0e 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -2660,9 +2660,9 @@ static void qlt_load_cont_data_segments(struct qla_tgt_prm *prm)
cnt < QLA_TGT_DATASEGS_PER_CONT_24XX && prm->seg_cnt;
cnt++, prm->seg_cnt--) {
*dword_ptr++ =
- cpu_to_le32(pci_dma_lo32
+ cpu_to_le32(lower_32_bits
(sg_dma_address(prm->sg)));
- *dword_ptr++ = cpu_to_le32(pci_dma_hi32
+ *dword_ptr++ = cpu_to_le32(upper_32_bits
(sg_dma_address(prm->sg)));
*dword_ptr++ = cpu_to_le32(sg_dma_len(prm->sg));
@@ -2704,9 +2704,9 @@ static void qlt_load_data_segments(struct qla_tgt_prm *prm)
(cnt < QLA_TGT_DATASEGS_PER_CMD_24XX) && prm->seg_cnt;
cnt++, prm->seg_cnt--) {
*dword_ptr++ =
- cpu_to_le32(pci_dma_lo32(sg_dma_address(prm->sg)));
+ cpu_to_le32(lower_32_bits(sg_dma_address(prm->sg)));
- *dword_ptr++ = cpu_to_le32(pci_dma_hi32(
+ *dword_ptr++ = cpu_to_le32(upper_32_bits(
sg_dma_address(prm->sg)));
Hi Christoph,
Have you considered to use put_unaligned_le64() instead of storing the
lower and upper 32 bits separately?
Thanks,
Bart.
