scsi: qla4xxx: Switch to attribute groups

struct device supports attribute groups directly but does not support
struct device_attribute directly. Hence switch to attribute groups.

Link: https://lore.kernel.org/r/20211012233558.4066756-42-bvanassche@acm.orgSigned-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/qla4xxx/ql4_attr.c

@@ -330,21 +330,30 @@ static DEVICE_ATTR(fw_ext_timestamp, S_IRUGO, qla4xxx_fw_ext_timestamp_show,
 static DEVICE_ATTR(fw_load_src, S_IRUGO, qla4xxx_fw_load_src_show, NULL);
 static DEVICE_ATTR(fw_uptime, S_IRUGO, qla4xxx_fw_uptime_show, NULL);
 
-struct device_attribute *qla4xxx_host_attrs[] = {
-	&dev_attr_fw_version,
-	&dev_attr_serial_num,
-	&dev_attr_iscsi_version,
-	&dev_attr_optrom_version,
-	&dev_attr_board_id,
-	&dev_attr_fw_state,
-	&dev_attr_phy_port_cnt,
-	&dev_attr_phy_port_num,
-	&dev_attr_iscsi_func_cnt,
-	&dev_attr_hba_model,
-	&dev_attr_fw_timestamp,
-	&dev_attr_fw_build_user,
-	&dev_attr_fw_ext_timestamp,
-	&dev_attr_fw_load_src,
-	&dev_attr_fw_uptime,
+static struct attribute *qla4xxx_host_attrs[] = {
+	&dev_attr_fw_version.attr,
+	&dev_attr_serial_num.attr,
+	&dev_attr_iscsi_version.attr,
+	&dev_attr_optrom_version.attr,
+	&dev_attr_board_id.attr,
+	&dev_attr_fw_state.attr,
+	&dev_attr_phy_port_cnt.attr,
+	&dev_attr_phy_port_num.attr,
+	&dev_attr_iscsi_func_cnt.attr,
+	&dev_attr_hba_model.attr,
+	&dev_attr_fw_timestamp.attr,
+	&dev_attr_fw_build_user.attr,
+	&dev_attr_fw_ext_timestamp.attr,
+	&dev_attr_fw_load_src.attr,
+	&dev_attr_fw_uptime.attr,
 	NULL,
 };
+
+static const struct attribute_group qla4xxx_host_attr_group = {
+	.attrs = qla4xxx_host_attrs
+};
+
+const struct attribute_group *qla4xxx_host_groups[] = {
+	&qla4xxx_host_attr_group,
+	NULL
+};

drivers/scsi/qla4xxx/ql4_glbl.h

@@ -286,5 +286,6 @@ extern int ql4xenablemsix;
 extern int ql4xmdcapmask;
 extern int ql4xenablemd;
 
-extern struct device_attribute *qla4xxx_host_attrs[];
+extern const struct attribute_group *qla4xxx_host_groups[];
+
 #endif /* _QLA4x_GBL_H */

drivers/scsi/qla4xxx/ql4_os.c

@@ -241,7 +241,7 @@ static struct scsi_host_template qla4xxx_driver_template = {
 	.sg_tablesize		= SG_ALL,
 
 	.max_sectors		= 0xFFFF,
-	.shost_attrs		= qla4xxx_host_attrs,
+	.shost_groups		= qla4xxx_host_groups,
 	.host_reset		= qla4xxx_host_reset,
 	.vendor_id		= SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC,
 };