power: reset: ltc2952: Remove bogus hrtimer_start() return value checks

The return value of hrtimer_start() tells whether the timer was
inactive or active already when hrtimer_start() was called.

The code emits a bogus warning if the timer was active already
claiming that the timer could not be started.

Remove it along with the bogus comment in the else path.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Frans Klaver <frans.klaver@xsens.com>
Cc: Sebastian Reichel <sre@kernel.org>
Cc: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Wolfram Sang <wsa@the-dreams.de>
Cc: linux-pm@vger.kernel.org

1 files changed, 3 insertions, 16 deletions

diff --git a/drivers/power/reset/ltc2952-poweroff.c b/drivers/power/reset/ltc2952-poweroff.c
index 7ef193b6f7fe..5f855f99bdfc 100644
--- a/drivers/power/reset/ltc2952-poweroff.c
+++ b/drivers/power/reset/ltc2952-poweroff.c
@@ -120,18 +120,7 @@ static enum hrtimer_restart ltc2952_poweroff_timer_wde(struct hrtimer *timer)
 
 static void ltc2952_poweroff_start_wde(struct ltc2952_poweroff *data)
 {
-        if (hrtimer_start(&data->timer_wde, data->wde_interval,
-                          HRTIMER_MODE_REL)) {
-                /*
-                 * The device will not toggle the watchdog reset,
-                 * thus shut down is only safe if the PowerPath controller
-                 * has a long enough time-off before triggering a hardware
-                 * power-off.
-                 *
-                 * Only sending a warning as the system will power-off anyway
-                 */
-                dev_err(data->dev, "unable to start the timer\n");
-        }
+        hrtimer_start(&data->timer_wde, data->wde_interval, HRTIMER_MODE_REL);
 }
 
 static enum hrtimer_restart
@@ -165,12 +154,10 @@ static irqreturn_t ltc2952_poweroff_handler(int irq, void *dev_id)
         }
 
         if (gpiod_get_value(data->gpio_trigger)) {
-                if (hrtimer_start(&data->timer_trigger, data->trigger_delay,
-                                  HRTIMER_MODE_REL))
-                        dev_err(data->dev, "unable to start the wait timer\n");
+                hrtimer_start(&data->timer_trigger, data->trigger_delay,
+                              HRTIMER_MODE_REL);
         } else {
                 hrtimer_cancel(&data->timer_trigger);
-                /* omitting return value check, timer should have been valid */
         }
         return IRQ_HANDLED;
 }