diff options
| author | Mark Rutland <mark.rutland@arm.com> | 2015-04-20 17:55:30 +0100 |
|---|---|---|
| committer | Mark Rutland <mark.rutland@arm.com> | 2015-05-27 13:21:40 +0100 |
| commit | 6b99c68cb5dd274d79451e5135f9450f7c01ca52 (patch) | |
| tree | e1d09f95d35d933dc157b1917bc9956705f4aacf /arch/arm64/kernel/psci.c | |
| parent | 6ee3c78cecc795e87de9552baca76ea88292556d (diff) | |
| download | linux-6b99c68cb5dd274d79451e5135f9450f7c01ca52.tar.bz2 | |
arm64: smp: consistently use error codes
cpu_kill currently returns one for success and zero for failure, which
is unlike all the other cpu_operations, which return zero for success
and an error code upon failure. This difference is unnecessarily
confusing.
Make cpu_kill consistent with the other cpu_operations.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org>
Tested-by: Hanjun Guo <hanjun.guo@linaro.org>
Cc: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm64/kernel/psci.c')
| -rw-r--r-- | arch/arm64/kernel/psci.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/arch/arm64/kernel/psci.c b/arch/arm64/kernel/psci.c index efe3480a97a9..17e717c4b1ef 100644 --- a/arch/arm64/kernel/psci.c +++ b/arch/arm64/kernel/psci.c @@ -501,7 +501,7 @@ static int cpu_psci_cpu_kill(unsigned int cpu) int err, i; if (!psci_ops.affinity_info) - return 1; + return 0; /* * cpu_kill could race with cpu_die and we can * potentially end up declaring this cpu undead @@ -512,7 +512,7 @@ static int cpu_psci_cpu_kill(unsigned int cpu) err = psci_ops.affinity_info(cpu_logical_map(cpu), 0); if (err == PSCI_0_2_AFFINITY_LEVEL_OFF) { pr_info("CPU%d killed.\n", cpu); - return 1; + return 0; } msleep(10); @@ -521,8 +521,7 @@ static int cpu_psci_cpu_kill(unsigned int cpu) pr_warn("CPU%d may not have shut down cleanly (AFFINITY_INFO reports %d)\n", cpu, err); - /* Make op_cpu_kill() fail. */ - return 0; + return -ETIMEDOUT; } #endif #endif |