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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>
This commit is contained in:
Alexandre Belloni 2019-12-14 23:02:58 +01:00
parent bcd17c5082
commit 894b043200
1 changed files with 1 additions and 15 deletions
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16
drivers/rtc/rtc-rx8010.c
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@ -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) 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); struct rx8010_data *rx8010 = dev_get_drvdata(dev);
int ret, tmp; int tmp;
int flagreg; int flagreg;
switch (cmd) { switch (cmd) {
@ -406,19 +405,6 @@ static int rx8010_ioctl(struct device *dev, unsigned int cmd, unsigned long arg)
return 0; 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: default:
return -ENOIOCTLCMD; return -ENOIOCTLCMD;
} }