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mfd/rtc/gpio: twl: No need to allocate bigger buffer for write

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Since the twl-core has been converted to use regmap it is no longer needed
to allocate bigger buffer for data when writing to twl.

CC: Grant Likely <[email protected]>
CC: Alessandro Zummo <[email protected]>
Acked-by: Linus Walleij <[email protected]>
Acked-by: Tero Kristo <[email protected]>
Signed-off-by: Peter Ujfalusi <[email protected]>
Signed-off-by: Samuel Ortiz <[email protected]>
This commit is contained in:
Peter Ujfalusi 2012-11-13 09:28:45 +01:00 • committed by Samuel Ortiz
commit 14591d888e
5 changed files with 29 additions and 34 deletions
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32
drivers/rtc/rtc-twl.c
View file

@ -233,7 +233,7 @@ static int twl_rtc_alarm_irq_enable(struct device *dev, unsigned enabled)
*/
static int twl_rtc_read_time(struct device *dev, struct rtc_time *tm)
{
unsigned char rtc_data[ALL_TIME_REGS + 1];
unsigned char rtc_data[ALL_TIME_REGS];
int ret;
u8 save_control;
u8 rtc_control;
@ -300,15 +300,15 @@ static int twl_rtc_read_time(struct device *dev, struct rtc_time *tm)
static int twl_rtc_set_time(struct device *dev, struct rtc_time *tm)
{
unsigned char save_control;
unsigned char rtc_data[ALL_TIME_REGS + 1];
unsigned char rtc_data[ALL_TIME_REGS];
int ret;
rtc_data[1] = bin2bcd(tm->tm_sec);
rtc_data[2] = bin2bcd(tm->tm_min);
rtc_data[3] = bin2bcd(tm->tm_hour);
rtc_data[4] = bin2bcd(tm->tm_mday);
rtc_data[5] = bin2bcd(tm->tm_mon + 1);
rtc_data[6] = bin2bcd(tm->tm_year - 100);
rtc_data[0] = bin2bcd(tm->tm_sec);
rtc_data[1] = bin2bcd(tm->tm_min);
rtc_data[2] = bin2bcd(tm->tm_hour);
rtc_data[3] = bin2bcd(tm->tm_mday);
rtc_data[4] = bin2bcd(tm->tm_mon + 1);
rtc_data[5] = bin2bcd(tm->tm_year - 100);
/* Stop RTC while updating the TC registers */
ret = twl_rtc_read_u8(&save_control, REG_RTC_CTRL_REG);
@ -341,7 +341,7 @@ out:
*/
static int twl_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alm)
{
unsigned char rtc_data[ALL_TIME_REGS + 1];
unsigned char rtc_data[ALL_TIME_REGS];
int ret;
ret = twl_i2c_read(TWL_MODULE_RTC, rtc_data,
@ -368,19 +368,19 @@ static int twl_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alm)
static int twl_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm)
{
unsigned char alarm_data[ALL_TIME_REGS + 1];
unsigned char alarm_data[ALL_TIME_REGS];
int ret;
ret = twl_rtc_alarm_irq_enable(dev, 0);
if (ret)
goto out;
alarm_data[1] = bin2bcd(alm->time.tm_sec);
alarm_data[2] = bin2bcd(alm->time.tm_min);
alarm_data[3] = bin2bcd(alm->time.tm_hour);
alarm_data[4] = bin2bcd(alm->time.tm_mday);
alarm_data[5] = bin2bcd(alm->time.tm_mon + 1);
alarm_data[6] = bin2bcd(alm->time.tm_year - 100);
alarm_data[0] = bin2bcd(alm->time.tm_sec);
alarm_data[1] = bin2bcd(alm->time.tm_min);
alarm_data[2] = bin2bcd(alm->time.tm_hour);
alarm_data[3] = bin2bcd(alm->time.tm_mday);
alarm_data[4] = bin2bcd(alm->time.tm_mon + 1);
alarm_data[5] = bin2bcd(alm->time.tm_year - 100);
/* update all the alarm registers in one shot */
ret = twl_i2c_write(TWL_MODULE_RTC, alarm_data,