Commit 04f7e3e5 authored Sep 29, 2014 by Stefan Agner Committed by Daniel Lezcano Sep 29, 2014

clocksource: vf_pit_timer: Support shutdown mode



In order to avoid waking up the system in a low power mode, the
clocksource should not generate interrupts anymore. Disable the PIT
timer interrupt when changing into the CLOCK_EVT_MODE_SHUTDOWN mode.

[dlezcano] : remove superfluous empty line

Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Bill Pringlemeir <bpringlemeir@nbsps.com>

parent e4a6b378

drivers/clocksource/vf_pit_timer.c

+4 −0

Original line number	Original line	Diff line number	Diff line
	@@ -93,6 +93,10 @@ static void pit_set_mode(enum clock_event_mode mode,
	case CLOCK_EVT_MODE_PERIODIC:		case CLOCK_EVT_MODE_PERIODIC:
	pit_set_next_event(cycle_per_jiffy, evt);		pit_set_next_event(cycle_per_jiffy, evt);
	break;		break;
			case CLOCK_EVT_MODE_SHUTDOWN:
			case CLOCK_EVT_MODE_UNUSED:
			pit_timer_disable();
			break;
	default:		default:
	break;		break;
	}		}