[ARM] rtc-pcf8583: correct month and year offsets

No, today is not 4th April 3907, it's 4th March 2007.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

authored by Russell King and committed by Russell King 0ed8f210 f5e5b734

+6 -5
+6 -5
drivers/rtc/rtc-pcf8583.c
··· 85 dt->tm_min = BCD2BIN(buf[2]); 86 dt->tm_hour = BCD2BIN(buf[3]); 87 dt->tm_mday = BCD2BIN(buf[4]); 88 - dt->tm_mon = BCD2BIN(buf[5]); 89 } 90 91 return ret == 2 ? 0 : -EIO; ··· 106 if (datetoo) { 107 len = 8; 108 buf[6] = BIN2BCD(dt->tm_mday) | (dt->tm_year << 6); 109 - buf[7] = BIN2BCD(dt->tm_mon) | (dt->tm_wday << 5); 110 } 111 112 ret = i2c_master_send(client, (char *)buf, len); ··· 226 */ 227 year_offset += 4; 228 229 - tm->tm_year = real_year + year_offset + year[1] * 100; 230 231 return 0; 232 } ··· 237 unsigned char year[2], chk; 238 struct rtc_mem cmos_year = { CMOS_YEAR, sizeof(year), year }; 239 struct rtc_mem cmos_check = { CMOS_CHECKSUM, 1, &chk }; 240 int ret; 241 242 /* ··· 259 260 chk -= year[1] + year[0]; 261 262 - year[1] = tm->tm_year / 100; 263 - year[0] = tm->tm_year % 100; 264 265 chk += year[1] + year[0]; 266
··· 85 dt->tm_min = BCD2BIN(buf[2]); 86 dt->tm_hour = BCD2BIN(buf[3]); 87 dt->tm_mday = BCD2BIN(buf[4]); 88 + dt->tm_mon = BCD2BIN(buf[5]) - 1; 89 } 90 91 return ret == 2 ? 0 : -EIO; ··· 106 if (datetoo) { 107 len = 8; 108 buf[6] = BIN2BCD(dt->tm_mday) | (dt->tm_year << 6); 109 + buf[7] = BIN2BCD(dt->tm_mon + 1) | (dt->tm_wday << 5); 110 } 111 112 ret = i2c_master_send(client, (char *)buf, len); ··· 226 */ 227 year_offset += 4; 228 229 + tm->tm_year = (real_year + year_offset + year[1] * 100) - 1900; 230 231 return 0; 232 } ··· 237 unsigned char year[2], chk; 238 struct rtc_mem cmos_year = { CMOS_YEAR, sizeof(year), year }; 239 struct rtc_mem cmos_check = { CMOS_CHECKSUM, 1, &chk }; 240 + unsigned int proper_year = tm->tm_year + 1900; 241 int ret; 242 243 /* ··· 258 259 chk -= year[1] + year[0]; 260 261 + year[1] = proper_year / 100; 262 + year[0] = proper_year % 100; 263 264 chk += year[1] + year[0]; 265