On Wednesday 24 February 2016 00:05:28 Alexandre Belloni wrote:
> pcf85063_get_datetime() tries to handle a century bit but that bit is not
> documented and the final value is never used anywhere else in the kernel.
>
> Signed-off-by: Alexandre Belloni <alexandre.bell...@free-electrons.com>
> ---
> drivers/rtc/rtc-pcf85063.c | 6 ------
> 1 file changed, 6 deletions(-)
>
> diff --git a/drivers/rtc/rtc-pcf85063.c b/drivers/rtc/rtc-pcf85063.c
> index c5db231f14de..2b3b99b094b5 100644
> --- a/drivers/rtc/rtc-pcf85063.c
> +++ b/drivers/rtc/rtc-pcf85063.c
> @@ -31,13 +31,10 @@
> #define PCF85063_REG_MO 0x09
> #define PCF85063_REG_YR 0x0A
>
> -#define PCF85063_MO_C 0x80 /* century */
> -
> static struct i2c_driver pcf85063_driver;
>
> struct pcf85063 {
> struct rtc_device *rtc;
> - int c_polarity; /* 0: MO_C=1 means 19xx, otherwise MO_C=1 means 20xx */
> int voltage_low; /* indicates if a low_voltage was detected */
> };
>
> @@ -103,9 +100,6 @@ static int pcf85063_get_datetime(struct i2c_client
> *client, struct rtc_time *tm) tm->tm_year = bcd2bin(regs[6]);
> if (tm->tm_year < 70)
> tm->tm_year += 100; /* assume we are in 1970...2069 */
> - /* detect the polarity heuristically. see note above. */
> - pcf85063->c_polarity = (regs[5] & PCF85063_MO_C) ?
> - (tm->tm_year >= 100) : (tm->tm_year < 100);
>
> return rtc_valid_tm(tm);
> }
Reviewed-by: Juergen Borleis <j...@pengutronix.de>
Tested-by: Ulrich Ölmann <u.oelm...@pengutronix.de>
Regards,
Juergen
