On Aug 25, 2011, at 7:19 AM, Laurentiu Tudor wrote: > Clearing the other TCR bits might break code that sets them (e.g. to setup > the watchdog or fixed interval timer) before start_cpu_decrementer() gets > called.
Can you be more specific about the case you're concerned about. I'm not sure we want to leave the FIT enabled if it was previously. Watchdog I could possibly see leaving alone. > > Signed-off-by: Laurentiu Tudor <laurentiu.tu...@freescale.com> > --- > arch/powerpc/kernel/time.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c > index 03b29a6..e8b5cdc 100644 > --- a/arch/powerpc/kernel/time.c > +++ b/arch/powerpc/kernel/time.c > @@ -721,7 +721,7 @@ void start_cpu_decrementer(void) > mtspr(SPRN_TSR, TSR_ENW | TSR_WIS | TSR_DIS | TSR_FIS); > > /* Enable decrementer interrupt */ > - mtspr(SPRN_TCR, TCR_DIE); > + mtspr(SPRN_TCR, mfspr(SPRN_TCR) | TCR_DIE); > #endif /* defined(CONFIG_BOOKE) || defined(CONFIG_40x) */ > } > > -- > 1.7.1 > > > _______________________________________________ > Linuxppc-dev mailing list > Linuxppc-dev@lists.ozlabs.org > https://lists.ozlabs.org/listinfo/linuxppc-dev _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
