Re: [PATCH] POWER9 PMU stops after idle workaround

2017-08-01 Thread Anton Blanchard
Hi Nick, > POWER9 DD2 PMU can stop after a state-loss idle in some conditions. > > A solution is to set then clear MMCRA[60] after wake from state-loss > idle. Looks good. Acked-by: Anton Blanchard Anton > Signed-off-by: Nicholas Piggin > --- >

Re: [PATCH] POWER9 PMU stops after idle workaround

2017-07-19 Thread Vaidyanathan Srinivasan
* Nicholas Piggin [2017-07-20 11:53:22]: > POWER9 DD2 PMU can stop after a state-loss idle in some conditions. > > A solution is to set then clear MMCRA[60] after wake from state-loss > idle. > > Signed-off-by: Nicholas Piggin Reviewed-by: Vaidyanathan

Re: [PATCH] POWER9 PMU stops after idle workaround

2017-07-19 Thread Madhavan Srinivasan
On Thursday 20 July 2017 07:23 AM, Nicholas Piggin wrote: POWER9 DD2 PMU can stop after a state-loss idle in some conditions. A solution is to set then clear MMCRA[60] after wake from state-loss idle. Acked-by: Madhavan Srinivasan Signed-off-by: Nicholas Piggin

[PATCH] POWER9 PMU stops after idle workaround

2017-07-19 Thread Nicholas Piggin
POWER9 DD2 PMU can stop after a state-loss idle in some conditions. A solution is to set then clear MMCRA[60] after wake from state-loss idle. Signed-off-by: Nicholas Piggin --- arch/powerpc/kernel/idle_book3s.S | 8 +++- 1 file changed, 7 insertions(+), 1 deletion(-)