1 files changed, 4 insertions, 4 deletions

diff --git a/drivers/sbus/char/envctrl.c b/drivers/sbus/char/envctrl.c
index 2cea4f5d2084..f2be2ead8742 100644
--- a/drivers/sbus/char/envctrl.c
+++ b/drivers/sbus/char/envctrl.c
@@ -726,7 +726,7 @@ static struct miscdevice envctrl_dev = {
  * Return: None.
  */
 static void envctrl_set_mon(struct i2c_child_t *pchild,
-                            char *chnl_desc,
+                            const char *chnl_desc,
                             int chnl_no)
 {
         /* Firmware only has temperature type.  It does not distinguish
@@ -763,8 +763,8 @@ static void envctrl_set_mon(struct i2c_child_t *pchild,
 static void envctrl_init_adc(struct i2c_child_t *pchild, struct device_node *dp)
 {
         int i = 0, len;
-        char *pos;
-        unsigned int *pval;
+        const char *pos;
+        const unsigned int *pval;
 
         /* Firmware describe channels into a stream separated by a '\0'. */
         pos = of_get_property(dp, "channels-description", &len);
@@ -859,7 +859,7 @@ static void envctrl_init_i2c_child(struct linux_ebus_child *edev_child,
 {
         int len, i, tbls_size = 0;
         struct device_node *dp = edev_child->prom_node;
-        void *pval;
+        const void *pval;
 
         /* Get device address. */
         pval = of_get_property(dp, "reg", &len);