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Commit 326175aa authored by Thomas Bogendoerfer's avatar Thomas Bogendoerfer Committed by Greg Kroah-Hartman
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MIPS: kernel: only use i8253 clocksource with periodic clockevent 



[ Upstream commit a07e3324538a989b7cdbf2c679be6a7f9df2544f ]

i8253 clocksource needs a free running timer. This could only
be used, if i8253 clockevent is set up as periodic.

Signed-off-by: default avatarThomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: default avatarPaul Burton <paul.burton@mips.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent a6067c6e

arch/mips/kernel/i8253.c

+2 −1
Original line number Diff line number Diff line
@@ -32,7 +32,8 @@ void __init setup_pit_timer(void) 


static int __init init_pit_clocksource(void)

{

	if (num_possible_cpus() > 1) /* PIT does not scale! */

	if (num_possible_cpus() > 1 || /* PIT does not scale! */

	    !clockevent_state_periodic(&i8253_clockevent))

		return 0;



	return clocksource_i8253_init();