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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 03:21:31 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 03:21:31 +0000
commit5dca02f2ee931aef66bb21dd8067c8b1af1e0d3e (patch)
tree6581b770eb1bd6cac1252a5451b89c092ea4c797 /drivers/scsi/ufs/ufshcd-pltfrm.c
parentAdding debian version 4.19.249-2. (diff)
downloadlinux-5dca02f2ee931aef66bb21dd8067c8b1af1e0d3e.tar.xz
linux-5dca02f2ee931aef66bb21dd8067c8b1af1e0d3e.zip
Merging upstream version 4.19.260.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/scsi/ufs/ufshcd-pltfrm.c')
-rw-r--r--drivers/scsi/ufs/ufshcd-pltfrm.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/scsi/ufs/ufshcd-pltfrm.c b/drivers/scsi/ufs/ufshcd-pltfrm.c
index 57985841a..eca6d6db6 100644
--- a/drivers/scsi/ufs/ufshcd-pltfrm.c
+++ b/drivers/scsi/ufs/ufshcd-pltfrm.c
@@ -124,9 +124,20 @@ 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];
@@ -139,7 +150,7 @@ 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;