drivers: qcom: system_pm: Set infinite sleep if sleep time is 0



The LPM driver passes in 0 as wakeup time for suspend. Interpret this as a
infinite sleep and set the wakeup to ~0ULL to prevent PDC from waking up
immediately.

Change-Id: I956fc6c57cbf4910a5f0e307bdf05ec070950ed0
Signed-off-by: Mahesh Sivasubramanian <msivasub@codeaurora.org>

parent 73e234e4

drivers/soc/qcom/system_pm.c

+7 −3

Original line number	Diff line number	Diff line
		@@ -56,9 +56,13 @@ int system_sleep_enter(uint64_t sleep_val)
		* Set up the wake up value offset from the current time.
		* Convert us to ns to allow div by 19.2 Mhz tick timer.
		*/
		if (sleep_val) {
		sleep_val *= NSEC_PER_USEC;
		do_div(sleep_val, NSEC_PER_SEC/ARCH_TIMER_HZ);
		sleep_val += arch_counter_get_cntvct();
		} else {
		sleep_val = ~0ULL;
		}

		return setup_wakeup(sleep_val);
		}