Re: [PATCH v6 3/8] scsi: pm8001: use sas_find_attached_phy_id() instead of open coded

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On 2022/9/28 15:02, Damien Le Moal wrote:
On 9/28/22 16:01, Jason Yan wrote:
The attached phy id finding is open coded. Now we can replace it with
sas_find_attached_phy_id(). To keep consistent, the return value of
pm8001_dev_found_notify() is also changed to -ENODEV after calling
sas_find_attathed_phy_id() failed.

Signed-off-by: Jason Yan <yanaijie@xxxxxxxxxx>
Reviewed-by: Jack Wang <jinpu.wang@xxxxxxxxx>
Reviewed-by: Damien Le Moal <damien.lemoal@xxxxxxxxxxxxxxxxxx>

Looks good.

Note for future patches: if you change a patch, it needs to be reviewed
again. So please drop any review tag from the patch commit message to make
that clear.

OK. Thanks again.

Jason


---
  drivers/scsi/pm8001/pm8001_sas.c | 18 ++++++------------
  1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c
index 8e3f2f9ddaac..b4007c4f157d 100644
--- a/drivers/scsi/pm8001/pm8001_sas.c
+++ b/drivers/scsi/pm8001/pm8001_sas.c
@@ -645,22 +645,16 @@ static int pm8001_dev_found_notify(struct domain_device *dev)
  	pm8001_device->dcompletion = &completion;
  	if (parent_dev && dev_is_expander(parent_dev->dev_type)) {
  		int phy_id;
-		struct ex_phy *phy;
-		for (phy_id = 0; phy_id < parent_dev->ex_dev.num_phys;
-		phy_id++) {
-			phy = &parent_dev->ex_dev.ex_phy[phy_id];
-			if (SAS_ADDR(phy->attached_sas_addr)
-				== SAS_ADDR(dev->sas_addr)) {
-				pm8001_device->attached_phy = phy_id;
-				break;
-			}
-		}
-		if (phy_id == parent_dev->ex_dev.num_phys) {
+
+		phy_id = sas_find_attached_phy_id(&parent_dev->ex_dev, dev);
+		if (phy_id < 0) {
  			pm8001_dbg(pm8001_ha, FAIL,
  				   "Error: no attached dev:%016llx at ex:%016llx.\n",
  				   SAS_ADDR(dev->sas_addr),
  				   SAS_ADDR(parent_dev->sas_addr));
-			res = -1;
+			res = phy_id;
+		} else {
+			pm8001_device->attached_phy = phy_id;
  		}
  	} else {
  		if (dev->dev_type == SAS_SATA_DEV) {




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