scsi: ufs: sysfs: Make HID attributes visible

Call sysfs_update_group() after reading the device descriptor to ensure
the HID sysfs attributes are visible when the feature is supported.

Fixes: ae7795a ("scsi: ufs: core: Add HID support")
Signed-off-by: Daniel Lee <chullee@google.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

Author: Daniel Lee

drivers/ufs/core/ufs-sysfs.c

@@ -1949,7 +1949,7 @@ static umode_t ufs_sysfs_hid_is_visible(struct kobject *kobj,
 	return	hba->dev_info.hid_sup ? attr->mode : 0;
 }
 
-static const struct attribute_group ufs_sysfs_hid_group = {
+const struct attribute_group ufs_sysfs_hid_group = {
 	.name = "hid",
 	.attrs = ufs_sysfs_hid,
 	.is_visible = ufs_sysfs_hid_is_visible,

drivers/ufs/core/ufs-sysfs.h

@@ -14,5 +14,6 @@ void ufs_sysfs_remove_nodes(struct device *dev);
 
 extern const struct attribute_group ufs_sysfs_unit_descriptor_group;
 extern const struct attribute_group ufs_sysfs_lun_attributes_group;
+extern const struct attribute_group ufs_sysfs_hid_group;
 
 #endif

drivers/ufs/core/ufshcd.c

@@ -8480,6 +8480,8 @@ static int ufs_get_device_desc(struct ufs_hba *hba)
 				DEVICE_DESC_PARAM_EXT_UFS_FEATURE_SUP) &
 				UFS_DEV_HID_SUPPORT;
 
+	sysfs_update_group(&hba->dev->kobj, &ufs_sysfs_hid_group);
+
 	model_index = desc_buf[DEVICE_DESC_PARAM_PRDCT_NAME];
 
 	err = ufshcd_read_string_desc(hba, model_index,