linux-kernel - [PATCH v6 6/8] scsi: libsas: use sas_phy_match_dev

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Message-ID: <20220928070130.3657183-7-yanaijie@huawei.com>
Date:   Wed, 28 Sep 2022 15:01:28 +0800
From:   Jason Yan <yanaijie@...wei.com>
To:     <martin.petersen@...cle.com>, <jejb@...ux.ibm.com>
CC:     <linux-scsi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <hare@...e.com>, <hch@....de>, <bvanassche@....org>,
        <john.garry@...wei.com>, <jinpu.wang@...ud.ionos.com>,
        <damien.lemoal@...nsource.wdc.com>, Jason Yan <yanaijie@...wei.com>
Subject: [PATCH v6 6/8] scsi: libsas: use sas_phy_match_dev_addr() instead of open coded

The sas address comparison of domain device and expander phy is open
coded. Now we can replace it with sas_phy_match_dev_addr().

Signed-off-by: Jason Yan <yanaijie@...wei.com>
Reviewed-by: Damien Le Moal <damien.lemoal@...nsource.wdc.com>
---
 drivers/scsi/libsas/sas_expander.c | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
index 2caf366b9f74..9393ab83358c 100644
--- a/drivers/scsi/libsas/sas_expander.c
+++ b/drivers/scsi/libsas/sas_expander.c
@@ -738,9 +738,7 @@ static void sas_ex_get_linkrate(struct domain_device *parent,
 		    phy->phy_state == PHY_NOT_PRESENT)
 			continue;
 
-		if (SAS_ADDR(phy->attached_sas_addr) ==
-		    SAS_ADDR(child->sas_addr)) {
-
+		if (sas_phy_match_dev_addr(child, phy)) {
 			child->min_linkrate = min(parent->min_linkrate,
 						  phy->linkrate);
 			child->max_linkrate = max(parent->max_linkrate,
@@ -1012,8 +1010,7 @@ static int sas_ex_discover_dev(struct domain_device *dev, int phy_id)
 		sas_add_parent_port(dev, phy_id);
 		return 0;
 	}
-	if (dev->parent && (SAS_ADDR(ex_phy->attached_sas_addr) ==
-			    SAS_ADDR(dev->parent->sas_addr))) {
+	if (dev->parent && sas_phy_match_dev_addr(dev->parent, ex_phy)) {
 		sas_add_parent_port(dev, phy_id);
 		if (ex_phy->routing_attr == TABLE_ROUTING)
 			sas_configure_phy(dev, phy_id, dev->port->sas_addr, 1);
@@ -1312,7 +1309,7 @@ static int sas_check_parent_topology(struct domain_device *child)
 		    parent_phy->phy_state == PHY_NOT_PRESENT)
 			continue;
 
-		if (SAS_ADDR(parent_phy->attached_sas_addr) != SAS_ADDR(child->sas_addr))
+		if (!sas_phy_match_dev_addr(child, parent_phy))
 			continue;
 
 		child_phy = &child_ex->ex_phy[parent_phy->attached_phy_id];
@@ -1522,8 +1519,7 @@ static int sas_configure_parent(struct domain_device *parent,
 		struct ex_phy *phy = &ex_parent->ex_phy[i];
 
 		if ((phy->routing_attr == TABLE_ROUTING) &&
-		    (SAS_ADDR(phy->attached_sas_addr) ==
-		     SAS_ADDR(child->sas_addr))) {
+		    sas_phy_match_dev_addr(child, phy)) {
 			res = sas_configure_phy(parent, i, sas_addr, include);
 			if (res)
 				return res;
@@ -1858,8 +1854,7 @@ static void sas_unregister_devs_sas_addr(struct domain_device *parent,
 	if (last) {
 		list_for_each_entry_safe(child, n,
 			&ex_dev->children, siblings) {
-			if (SAS_ADDR(child->sas_addr) ==
-			    SAS_ADDR(phy->attached_sas_addr)) {
+			if (sas_phy_match_dev_addr(child, phy)) {
 				set_bit(SAS_DEV_GONE, &child->state);
 				if (dev_is_expander(child->dev_type))
 					sas_unregister_ex_tree(parent->port, child);
@@ -1941,8 +1936,7 @@ static int sas_discover_new(struct domain_device *dev, int phy_id)
 	if (res)
 		return res;
 	list_for_each_entry(child, &dev->ex_dev.children, siblings) {
-		if (SAS_ADDR(child->sas_addr) ==
-		    SAS_ADDR(ex_phy->attached_sas_addr)) {
+		if (sas_phy_match_dev_addr(child, ex_phy)) {
 			if (dev_is_expander(child->dev_type))
 				res = sas_discover_bfs_by_root(child);
 			break;
-- 
2.31.1