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authorThomas Bogendoerfer <tbogendoerfer@suse.de>2019-04-16 05:34:03 -0400
committerAlexandre Belloni <alexandre.belloni@bootlin.com>2019-04-16 12:03:46 -0400
commite330c3d547e8ab722dca23f3dc26c3eba5590e55 (patch)
treeaeaab79049f69eda6e04e818cdb1870e67850960
parent692802d26b3ae3578fe77ada89b58217fe1c3d75 (diff)
rtc: ds1685: remove dead code
ds1685_rtc_begin_ctrl_access/ds1685_rtc_end_ctrl_access aren't used, so get rid of it. Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
-rw-r--r--drivers/rtc/rtc-ds1685.c36
1 files changed, 0 insertions, 36 deletions
diff --git a/drivers/rtc/rtc-ds1685.c b/drivers/rtc/rtc-ds1685.c
index 2f5194df239e..33781be58f16 100644
--- a/drivers/rtc/rtc-ds1685.c
+++ b/drivers/rtc/rtc-ds1685.c
@@ -192,42 +192,6 @@ ds1685_rtc_end_data_access(struct ds1685_priv *rtc)
192} 192}
193 193
194/** 194/**
195 * ds1685_rtc_begin_ctrl_access - prepare the rtc for ctrl access.
196 * @rtc: pointer to the ds1685 rtc structure.
197 * @flags: irq flags variable for spin_lock_irqsave.
198 *
199 * This takes several steps to prepare the rtc for access to read just the
200 * control registers:
201 * - Sets a spinlock on the rtc IRQ.
202 * - Switches the rtc to bank 1. This allows access to the two extended
203 * control registers.
204 *
205 * Only use this where you are certain another lock will not be held.
206 */
207static inline void
208ds1685_rtc_begin_ctrl_access(struct ds1685_priv *rtc, unsigned long *flags)
209{
210 spin_lock_irqsave(&rtc->lock, *flags);
211 ds1685_rtc_switch_to_bank1(rtc);
212}
213
214/**
215 * ds1685_rtc_end_ctrl_access - end ctrl access on the rtc.
216 * @rtc: pointer to the ds1685 rtc structure.
217 * @flags: irq flags variable for spin_unlock_irqrestore.
218 *
219 * This ends what was started by ds1685_rtc_begin_ctrl_access:
220 * - Switches the rtc back to bank 0.
221 * - Unsets the spinlock on the rtc IRQ.
222 */
223static inline void
224ds1685_rtc_end_ctrl_access(struct ds1685_priv *rtc, unsigned long flags)
225{
226 ds1685_rtc_switch_to_bank0(rtc);
227 spin_unlock_irqrestore(&rtc->lock, flags);
228}
229
230/**
231 * ds1685_rtc_get_ssn - retrieve the silicon serial number. 195 * ds1685_rtc_get_ssn - retrieve the silicon serial number.
232 * @rtc: pointer to the ds1685 rtc structure. 196 * @rtc: pointer to the ds1685 rtc structure.
233 * @ssn: u8 array to hold the bits of the silicon serial number. 197 * @ssn: u8 array to hold the bits of the silicon serial number.