MLK-14275: regulator: pf1550-regulator-rpmsg: clear 'u32 val' before read value by...

Actually, m4 only fill the least 1byte, so we'd better clear 'val' before
reading by rpmsg, thus the gabage data will not bother us.

Signed-off-by: Robin Gong <yibin.gong@nxp.com>
(cherry picked from commit df3428c6588a00fa153a3b6996cc33b21b69efb6)

diff --git a/drivers/regulator/pf1550-regulator-rpmsg.c b/drivers/regulator/pf1550-regulator-rpmsg.c
index 57404ea..11a8933 100644 (file)
--- a/drivers/regulator/pf1550-regulator-rpmsg.c
+++ b/drivers/regulator/pf1550-regulator-rpmsg.c
@@ -382,6 +382,7 @@ static ssize_t pf1550_registers_show(struct device *dev,
 
                msg.header.cmd = PF1550_GET_REG;
                msg.reg = i;
+               msg.val = 0;
 
                err = pf1550_send_message(&msg, info);
                if (err)