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drivers/rtc/rtc-ab8500.c: remove fix for AB8500 ED version
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AB8500 ED (Early Drop) is no longer supported by the kernel.

Signed-off-by: Bengt Jonsson <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
Cc: Alessandro Zummo <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Bengt Jonsson authored and torvalds committed Jul 31, 2012
1 parent dc43d4a commit 064407f
Showing 1 changed file with 11 additions and 16 deletions.
27 changes: 11 additions & 16 deletions drivers/rtc/rtc-ab8500.c
Original file line number Diff line number Diff line change
Expand Up @@ -89,22 +89,17 @@ static int ab8500_rtc_read_time(struct device *dev, struct rtc_time *tm)
if (retval < 0)
return retval;

/* Early AB8500 chips will not clear the rtc read request bit */
if (abx500_get_chip_id(dev) == 0) {
usleep_range(1000, 1000);
} else {
/* Wait for some cycles after enabling the rtc read in ab8500 */
while (time_before(jiffies, timeout)) {
retval = abx500_get_register_interruptible(dev,
AB8500_RTC, AB8500_RTC_READ_REQ_REG, &value);
if (retval < 0)
return retval;

if (!(value & RTC_READ_REQUEST))
break;

usleep_range(1000, 5000);
}
/* Wait for some cycles after enabling the rtc read in ab8500 */
while (time_before(jiffies, timeout)) {
retval = abx500_get_register_interruptible(dev,
AB8500_RTC, AB8500_RTC_READ_REQ_REG, &value);
if (retval < 0)
return retval;

if (!(value & RTC_READ_REQUEST))
break;

usleep_range(1000, 5000);
}

/* Read the Watchtime registers */
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