BackPup/Linux
1
0 Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-10-07 05:31:08 -04:00
Code Issues Packages Projects Releases Wiki Activity

rtc: ds1685: remove dead code

Browse Source 
ds1685_rtc_begin_ctrl_access/ds1685_rtc_end_ctrl_access aren't used,
so get rid of it.

Signed-off-by: Thomas Bogendoerfer <[email protected]>
Signed-off-by: Alexandre Belloni <[email protected]>
This commit is contained in:
Thomas Bogendoerfer authored and Alexandre Belloni committed 2019-04-16 18:03:46 +02:00
1 parent 692802d26b
commit e330c3d547
1 file changed
-36
Download Patch File Download Diff File Expand all files Collapse all files
drivers/rtc/rtc-ds1685.c
-36
View File
@@ -191,42 +191,6 @@ ds1685_rtc_end_data_access(struct ds1685_priv *rtc)
(rtc->read(rtc, RTC_CTRL_B) & ~(RTC_CTRL_B_SET)));
}
/**
* ds1685_rtc_begin_ctrl_access - prepare the rtc for ctrl access.
* @rtc: pointer to the ds1685 rtc structure.
* @flags: irq flags variable for spin_lock_irqsave.
*
* This takes several steps to prepare the rtc for access to read just the
* control registers:
* - Sets a spinlock on the rtc IRQ.
* - Switches the rtc to bank 1. This allows access to the two extended
* control registers.
*
* Only use this where you are certain another lock will not be held.
*/
static inline void
ds1685_rtc_begin_ctrl_access(struct ds1685_priv *rtc, unsigned long *flags)
{
spin_lock_irqsave(&rtc->lock, *flags);
ds1685_rtc_switch_to_bank1(rtc);
}
/**
* ds1685_rtc_end_ctrl_access - end ctrl access on the rtc.
* @rtc: pointer to the ds1685 rtc structure.
* @flags: irq flags variable for spin_unlock_irqrestore.
*
* This ends what was started by ds1685_rtc_begin_ctrl_access:
* - Switches the rtc back to bank 0.
* - Unsets the spinlock on the rtc IRQ.
*/
static inline void
ds1685_rtc_end_ctrl_access(struct ds1685_priv *rtc, unsigned long flags)
{
ds1685_rtc_switch_to_bank0(rtc);
spin_unlock_irqrestore(&rtc->lock, flags);
}
/**
* ds1685_rtc_get_ssn - retrieve the silicon serial number.
* @rtc: pointer to the ds1685 rtc structure.