diff options
| author | Nicholas Piggin <npiggin@gmail.com> | 2017-06-13 23:05:45 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2017-06-19 19:46:26 +1000 |
| commit | 2201f994a5742c03e660623c385fd6897dd1fa2f (patch) | |
| tree | 92d14aa455d4b11e0dac5eebae8f7a65ae0d9837 /drivers/cpuidle | |
| parent | 42bed042556261b56aa92e05f4f388f0f7ac1210 (diff) | |
| download | linux-2201f994a5742c03e660623c385fd6897dd1fa2f.tar.bz2 | |
powerpc/64s/idle: Move soft interrupt mask logic into C code
This simplifies the asm and fixes irq-off tracing over sleep
instructions.
Also move powersave_nap check for POWER8 into C code, and move
PSSCR register value calculation for POWER9 into C.
Reviewed-by: Gautham R. Shenoy <ego@linux.vnet.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'drivers/cpuidle')
| -rw-r--r-- | drivers/cpuidle/cpuidle-powernv.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/cpuidle/cpuidle-powernv.c b/drivers/cpuidle/cpuidle-powernv.c index 45eaf06462ae..79152676f62b 100644 --- a/drivers/cpuidle/cpuidle-powernv.c +++ b/drivers/cpuidle/cpuidle-powernv.c @@ -73,9 +73,8 @@ static int nap_loop(struct cpuidle_device *dev, struct cpuidle_driver *drv, int index) { - ppc64_runlatch_off(); - power7_idle(); - ppc64_runlatch_on(); + power7_idle_type(PNV_THREAD_NAP); + return index; } @@ -98,7 +97,8 @@ static int fastsleep_loop(struct cpuidle_device *dev, new_lpcr &= ~LPCR_PECE1; mtspr(SPRN_LPCR, new_lpcr); - power7_sleep(); + + power7_idle_type(PNV_THREAD_SLEEP); mtspr(SPRN_LPCR, old_lpcr); @@ -110,10 +110,8 @@ static int stop_loop(struct cpuidle_device *dev, struct cpuidle_driver *drv, int index) { - ppc64_runlatch_off(); - power9_idle_stop(stop_psscr_table[index].val, + power9_idle_type(stop_psscr_table[index].val, stop_psscr_table[index].mask); - ppc64_runlatch_on(); return index; } |