mirror of https://gitee.com/openkylin/linux.git
rtc-x1205: unconditionally set date when setting clock
All callsites of x1205_set_datetime() want the date to be set as well, so remove the flag parameter and set it unconditionally. Signed-off-by: Johannes Weiner <jw@emlix.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Paul Gortmaker <p_gortmaker@yahoo.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -155,11 +155,11 @@ static int x1205_get_status(struct i2c_client *client, unsigned char *sr)
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}
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static int x1205_set_datetime(struct i2c_client *client, struct rtc_time *tm,
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int datetoo, u8 reg_base, unsigned char alm_enable)
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u8 reg_base, unsigned char alm_enable)
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{
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int i, xfer, nbytes;
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unsigned char buf[8];
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int i, xfer;
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unsigned char rdata[10] = { 0, reg_base };
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unsigned char *buf = rdata + 2;
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static const unsigned char wel[3] = { 0, X1205_REG_SR,
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X1205_SR_WEL };
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@ -170,9 +170,9 @@ static int x1205_set_datetime(struct i2c_client *client, struct rtc_time *tm,
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static const unsigned char diswe[3] = { 0, X1205_REG_SR, 0 };
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dev_dbg(&client->dev,
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"%s: secs=%d, mins=%d, hours=%d\n",
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__func__,
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tm->tm_sec, tm->tm_min, tm->tm_hour);
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"%s: sec=%d min=%d hour=%d mday=%d mon=%d year=%d wday=%d\n",
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__func__, tm->tm_sec, tm->tm_min, tm->tm_hour, tm->tm_mday,
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tm->tm_mon, tm->tm_year, tm->tm_wday);
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buf[CCR_SEC] = bin2bcd(tm->tm_sec);
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buf[CCR_MIN] = bin2bcd(tm->tm_min);
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@ -180,23 +180,15 @@ static int x1205_set_datetime(struct i2c_client *client, struct rtc_time *tm,
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/* set hour and 24hr bit */
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buf[CCR_HOUR] = bin2bcd(tm->tm_hour) | X1205_HR_MIL;
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/* should we also set the date? */
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if (datetoo) {
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dev_dbg(&client->dev,
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"%s: mday=%d, mon=%d, year=%d, wday=%d\n",
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__func__,
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tm->tm_mday, tm->tm_mon, tm->tm_year, tm->tm_wday);
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buf[CCR_MDAY] = bin2bcd(tm->tm_mday);
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buf[CCR_MDAY] = bin2bcd(tm->tm_mday);
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/* month, 1 - 12 */
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buf[CCR_MONTH] = bin2bcd(tm->tm_mon + 1);
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/* month, 1 - 12 */
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buf[CCR_MONTH] = bin2bcd(tm->tm_mon + 1);
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/* year, since the rtc epoch*/
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buf[CCR_YEAR] = bin2bcd(tm->tm_year % 100);
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buf[CCR_WDAY] = tm->tm_wday & 0x07;
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buf[CCR_Y2K] = bin2bcd((tm->tm_year + 1900) / 100);
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}
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/* year, since the rtc epoch*/
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buf[CCR_YEAR] = bin2bcd(tm->tm_year % 100);
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buf[CCR_WDAY] = tm->tm_wday & 0x07;
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buf[CCR_Y2K] = bin2bcd((tm->tm_year + 1900) / 100);
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/* If writing alarm registers, set compare bits on registers 0-4 */
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if (reg_base < X1205_CCR_BASE)
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@ -214,17 +206,8 @@ static int x1205_set_datetime(struct i2c_client *client, struct rtc_time *tm,
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return -EIO;
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}
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/* write register's data */
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if (datetoo)
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nbytes = 8;
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else
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nbytes = 3;
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for (i = 0; i < nbytes; i++)
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rdata[2+i] = buf[i];
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xfer = i2c_master_send(client, rdata, nbytes+2);
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if (xfer != nbytes+2) {
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xfer = i2c_master_send(client, rdata, sizeof(rdata));
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if (xfer != sizeof(rdata)) {
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dev_err(&client->dev,
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"%s: result=%d addr=%02x, data=%02x\n",
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__func__,
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@ -282,7 +265,7 @@ static int x1205_fix_osc(struct i2c_client *client)
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memset(&tm, 0, sizeof(tm));
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err = x1205_set_datetime(client, &tm, 1, X1205_CCR_BASE, 0);
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err = x1205_set_datetime(client, &tm, X1205_CCR_BASE, 0);
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if (err < 0)
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dev_err(&client->dev, "unable to restart the oscillator\n");
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@ -481,7 +464,7 @@ static int x1205_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
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static int x1205_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
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{
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return x1205_set_datetime(to_i2c_client(dev),
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&alrm->time, 1, X1205_ALM0_BASE, alrm->enabled);
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&alrm->time, X1205_ALM0_BASE, alrm->enabled);
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}
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static int x1205_rtc_read_time(struct device *dev, struct rtc_time *tm)
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@ -493,7 +476,7 @@ static int x1205_rtc_read_time(struct device *dev, struct rtc_time *tm)
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static int x1205_rtc_set_time(struct device *dev, struct rtc_time *tm)
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{
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return x1205_set_datetime(to_i2c_client(dev),
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tm, 1, X1205_CCR_BASE, 0);
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tm, X1205_CCR_BASE, 0);
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}
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static int x1205_rtc_proc(struct device *dev, struct seq_file *seq)
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