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| author | Sudeep Holla <Sudeep.Holla@arm.com> | 2018-06-18 16:34:22 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2018-06-25 09:33:34 +0200 |
| commit | 818489e511a3a38d4c9c120675e0700608925800 (patch) | |
| tree | 095fdbd8f97d1586e4b51c7ba9d27c715b3705e1 /drivers/cpuidle | |
| parent | Linux 4.18-rc2 (diff) | |
| download | linux-818489e511a3a38d4c9c120675e0700608925800.tar.xz linux-818489e511a3a38d4c9c120675e0700608925800.zip | |
ARM: cpuidle: silence error on driver registration failure
It's perfectly fine to have multiple cpuidle driver compiled in the
build configuration. However, it's not good to throw error on driver
registration failure if some other driver is already initialised and
assigned. In such cases, __cpuidle_register_driver returns -EBUSY and
we can check for such error before throwing the error.
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/cpuidle')
| -rw-r--r-- | drivers/cpuidle/cpuidle-arm.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/cpuidle/cpuidle-arm.c b/drivers/cpuidle/cpuidle-arm.c index e07bc7ace774..073557f433eb 100644 --- a/drivers/cpuidle/cpuidle-arm.c +++ b/drivers/cpuidle/cpuidle-arm.c @@ -105,7 +105,8 @@ static int __init arm_idle_init_cpu(int cpu) ret = cpuidle_register_driver(drv); if (ret) { - pr_err("Failed to register cpuidle driver\n"); + if (ret != -EBUSY) + pr_err("Failed to register cpuidle driver\n"); goto out_kfree_drv; } |