rtc: pcf85063: remove useless century handling (ba270bbb) · Commits · 戴 / test

drivers/rtc/rtc-pcf85063.c

+0 −7

Original line number	Diff line number	Diff line
		@@ -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 */
		};

		@@ -72,7 +69,6 @@ static int pcf85063_stop_clock(struct i2c_client client, u8 ctrl1)
		static int pcf85063_get_datetime(struct i2c_client client, struct rtc_time tm)
		{
		int rc;
		struct pcf85063 *pcf85063 = i2c_get_clientdata(client);
		u8 regs[7];

		/*
		@@ -103,9 +99,6 @@ 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);
		}