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-rw-r--r--drivers/scsi/ufs/ufshcd-pltfrm.c15
-rw-r--r--drivers/scsi/ufs/ufshcd.c3
2 files changed, 15 insertions, 3 deletions
diff --git a/drivers/scsi/ufs/ufshcd-pltfrm.c b/drivers/scsi/ufs/ufshcd-pltfrm.c
index 10eec501f6b3..bfc589f4baf5 100644
--- a/drivers/scsi/ufs/ufshcd-pltfrm.c
+++ b/drivers/scsi/ufs/ufshcd-pltfrm.c
@@ -125,9 +125,20 @@ out:
return ret;
}
+static bool phandle_exists(const struct device_node *np,
+ const char *phandle_name, int index)
+{
+ struct device_node *parse_np = of_parse_phandle(np, phandle_name, index);
+
+ if (parse_np)
+ of_node_put(parse_np);
+
+ return parse_np != NULL;
+}
+
#define MAX_PROP_SIZE 32
static int ufshcd_populate_vreg(struct device *dev, const char *name,
- struct ufs_vreg **out_vreg)
+ struct ufs_vreg **out_vreg)
{
int ret = 0;
char prop_name[MAX_PROP_SIZE];
@@ -140,7 +151,7 @@ static int ufshcd_populate_vreg(struct device *dev, const char *name,
}
snprintf(prop_name, MAX_PROP_SIZE, "%s-supply", name);
- if (!of_parse_phandle(np, prop_name, 0)) {
+ if (!phandle_exists(np, prop_name, 0)) {
dev_info(dev, "%s: Unable to find %s regulator, assuming enabled\n",
__func__, prop_name);
goto out;
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 670f4c7934f8..363adf489079 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -3265,7 +3265,7 @@ int ufshcd_read_string_desc(struct ufs_hba *hba, u8 desc_index,
*/
ret = utf16s_to_utf8s(uc_str->uc,
uc_str->len - QUERY_DESC_HDR_SIZE,
- UTF16_BIG_ENDIAN, str, ascii_len);
+ UTF16_BIG_ENDIAN, str, ascii_len - 1);
/* replace non-printable or non-ASCII characters with spaces */
for (i = 0; i < ret; i++)
@@ -8530,5 +8530,6 @@ EXPORT_SYMBOL_GPL(ufshcd_init);
MODULE_AUTHOR("Santosh Yaragnavi <santosh.sy@samsung.com>");
MODULE_AUTHOR("Vinayak Holikatti <h.vinayak@samsung.com>");
MODULE_DESCRIPTION("Generic UFS host controller driver Core");
+MODULE_SOFTDEP("pre: governor_simpleondemand");
MODULE_LICENSE("GPL");
MODULE_VERSION(UFSHCD_DRIVER_VERSION);