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MIPS: kernel: only use i8253 clocksource with periodic clockevent 

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

Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: Paul 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
alistair/sunxi64-5.4-dsi
Thomas Bogendoerfer 2019-05-13 13:47:25 +02:00 committed by Paul Burton
parent e5793cd1b5
commit a07e332453
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GPG Key ID: 3EA79FACB57500DD
1 changed files with 2 additions and 1 deletions
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arch/mips/kernel/i8253.c
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@ -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();