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authorAlexandre Belloni <alexandre.belloni@bootlin.com>2019-12-14 23:02:58 +0100
committerAlexandre Belloni <alexandre.belloni@bootlin.com>2019-12-18 10:37:44 +0100
commit894b04320020ee9752c9fffad0fe72ed2ed81e71 (patch)
tree767c6a7feee647e40b6ad8ec833fd145a50e8131 /drivers/rtc
parentbcd17c5082f2feef4b585ae37a471f61f7b0c2f6 (diff)
rtc: rx8010: remove RTC_VL_CLR handling
Remove RTC_VL_CLR handling because it is a disservice to userspace as it removes the important information that the RTC data is invalid. This may lead userspace to set an invalid system time later on. Link: https://lore.kernel.org/r/20191214220259.621996-17-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'drivers/rtc')
-rw-r--r--drivers/rtc/rtc-rx8010.c16
1 files changed, 1 insertions, 15 deletions
diff --git a/drivers/rtc/rtc-rx8010.c b/drivers/rtc/rtc-rx8010.c
index 8102469e27c0..9b106a26c64b 100644
--- a/drivers/rtc/rtc-rx8010.c
+++ b/drivers/rtc/rtc-rx8010.c
@@ -389,9 +389,8 @@ static int rx8010_alarm_irq_enable(struct device *dev,
static int rx8010_ioctl(struct device *dev, unsigned int cmd, unsigned long arg)
{
- struct i2c_client *client = to_i2c_client(dev);
struct rx8010_data *rx8010 = dev_get_drvdata(dev);
- int ret, tmp;
+ int tmp;
int flagreg;
switch (cmd) {
@@ -406,19 +405,6 @@ static int rx8010_ioctl(struct device *dev, unsigned int cmd, unsigned long arg)
return 0;
- case RTC_VL_CLR:
- flagreg = i2c_smbus_read_byte_data(rx8010->client, RX8010_FLAG);
- if (flagreg < 0) {
- return flagreg;
- }
-
- flagreg &= ~RX8010_FLAG_VLF;
- ret = i2c_smbus_write_byte_data(client, RX8010_FLAG, flagreg);
- if (ret < 0)
- return ret;
-
- return 0;
-
default:
return -ENOIOCTLCMD;
}