scsi: myrb: 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/20211012233558.4066756-32-bvanassche@acm.orgSigned-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/myrb.c

@@ -2182,22 +2182,26 @@ static ssize_t flush_cache_store(struct device *dev,
 }
 static DEVICE_ATTR_WO(flush_cache);
 
-static struct device_attribute *myrb_sdev_attrs[] = {
-	&dev_attr_rebuild,
-	&dev_attr_consistency_check,
-	&dev_attr_raid_state,
-	&dev_attr_raid_level,
+static struct attribute *myrb_sdev_attrs[] = {
+	&dev_attr_rebuild.attr,
+	&dev_attr_consistency_check.attr,
+	&dev_attr_raid_state.attr,
+	&dev_attr_raid_level.attr,
 	NULL,
 };
 
-static struct device_attribute *myrb_shost_attrs[] = {
-	&dev_attr_ctlr_num,
-	&dev_attr_model,
-	&dev_attr_firmware,
-	&dev_attr_flush_cache,
+ATTRIBUTE_GROUPS(myrb_sdev);
+
+static struct attribute *myrb_shost_attrs[] = {
+	&dev_attr_ctlr_num.attr,
+	&dev_attr_model.attr,
+	&dev_attr_firmware.attr,
+	&dev_attr_flush_cache.attr,
 	NULL,
 };
 
+ATTRIBUTE_GROUPS(myrb_shost);
+
 static struct scsi_host_template myrb_template = {
 	.module			= THIS_MODULE,
 	.name			= "DAC960",
@@ -2209,8 +2213,8 @@ static struct scsi_host_template myrb_template = {
 	.slave_destroy		= myrb_slave_destroy,
 	.bios_param		= myrb_biosparam,
 	.cmd_size		= sizeof(struct myrb_cmdblk),
-	.shost_attrs		= myrb_shost_attrs,
-	.sdev_attrs		= myrb_sdev_attrs,
+	.shost_groups		= myrb_shost_groups,
+	.sdev_groups		= myrb_sdev_groups,
 	.this_id		= -1,
 };