rtc: s5m: remove undocumented time init on first boot

[karo-tx-linux.git] / drivers / rtc / rtc-s5m.c

diff --git a/drivers/rtc/rtc-s5m.c b/drivers/rtc/rtc-s5m.c
index b37df8c790f2d5738d664156756f7ee2fc52dea8..22137d4dbadfc40b6923d796c4e0951834cf4250 100644 (file)
--- a/drivers/rtc/rtc-s5m.c
+++ b/drivers/rtc/rtc-s5m.c
@@ -517,16 +517,7 @@ static void s5m_rtc_enable_smpl(struct s5m_rtc_info *info, bool enable)
 static int s5m8767_rtc_init_reg(struct s5m_rtc_info *info)
 {
        u8 data[2];
-       unsigned int tp_read;
        int ret;
-       struct rtc_time tm;
-
-       ret = regmap_read(info->regmap, S5M_RTC_UDR_CON, &tp_read);
-       if (ret < 0) {
-               dev_err(info->dev, "%s: fail to read control reg(%d)\n",
-                       __func__, ret);
-               return ret;
-       }
 
        /* Set RTC control register : Binary mode, 24hour mode */
        data[0] = (1 << BCD_EN_SHIFT) | (1 << MODEL24_SHIFT);
@@ -540,27 +531,6 @@ static int s5m8767_rtc_init_reg(struct s5m_rtc_info *info)
                return ret;
        }
 
-       /* In first boot time, Set rtc time to 1/1/2012 00:00:00(SUN) */
-       if ((tp_read & RTC_TCON_MASK) == 0) {
-               dev_dbg(info->dev, "rtc init\n");
-               tm.tm_sec = 0;
-               tm.tm_min = 0;
-               tm.tm_hour = 0;
-               tm.tm_wday = 0;
-               tm.tm_mday = 1;
-               tm.tm_mon = 0;
-               tm.tm_year = 112;
-               tm.tm_yday = 0;
-               tm.tm_isdst = 0;
-               ret = s5m_rtc_set_time(info->dev, &tm);
-       }
-
-       ret = regmap_update_bits(info->regmap, S5M_RTC_UDR_CON,
-                                RTC_TCON_MASK, tp_read | RTC_TCON_MASK);
-       if (ret < 0)
-               dev_err(info->dev, "%s: fail to update TCON reg(%d)\n",
-                       __func__, ret);
-
        return ret;
 }