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author | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2019-12-14 23:02:58 +0100 |
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committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2019-12-18 10:37:44 +0100 |
commit | 894b04320020ee9752c9fffad0fe72ed2ed81e71 (patch) | |
tree | 767c6a7feee647e40b6ad8ec833fd145a50e8131 /drivers | |
parent | bcd17c5082f2feef4b585ae37a471f61f7b0c2f6 (diff) | |
download | linux-stable-894b04320020ee9752c9fffad0fe72ed2ed81e71.tar.gz linux-stable-894b04320020ee9752c9fffad0fe72ed2ed81e71.tar.bz2 linux-stable-894b04320020ee9752c9fffad0fe72ed2ed81e71.zip |
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')
-rw-r--r-- | drivers/rtc/rtc-rx8010.c | 16 |
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; } |