From: Paul Kocialkowski paul.kocialkowski@bootlin.com
[ Upstream commit f236a2a2ebabad0848ad0995af7ad1dc7029e895 ]
The current code returns -EPERM when the voltage loss bit is set. Since the bit indicates that the time value is not valid, return -EINVAL instead, which is the appropriate error code for this situation.
Fixes: dcaf03849352 ("rtc: add hym8563 rtc-driver") Signed-off-by: Paul Kocialkowski paul.kocialkowski@bootlin.com Link: https://lore.kernel.org/r/20191212153111.966923-1-paul.kocialkowski@bootlin.... Signed-off-by: Alexandre Belloni alexandre.belloni@bootlin.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/rtc/rtc-hym8563.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/rtc/rtc-hym8563.c b/drivers/rtc/rtc-hym8563.c index b1b4746a0eab5..dbec596494ebe 100644 --- a/drivers/rtc/rtc-hym8563.c +++ b/drivers/rtc/rtc-hym8563.c @@ -105,7 +105,7 @@ static int hym8563_rtc_read_time(struct device *dev, struct rtc_time *tm)
if (!hym8563->valid) { dev_warn(&client->dev, "no valid clock/calendar values available\n"); - return -EPERM; + return -EINVAL; }
ret = i2c_smbus_read_i2c_block_data(client, HYM8563_SEC, 7, buf);