ARM: cpuidle: Remove overzealous error logging
CPUidle back-end operations are not implemented in some platforms but this should not be considered an error serious enough to be logged. Check the arm_cpuidle_init() return value to detect whether the failure must be reported or not in the kernel log and do not log it if the platform does not support CPUidle operations. Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org> Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org> Reviewed-by: Sudeep Holla <sudeep.holla@arm.com> Cc: Ulf Hansson <ulf.hansson@linaro.org> Cc: Sudeep Holla <sudeep.holla@arm.com> Cc: Daniel Lezcano <daniel.lezcano@linaro.org> Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net> Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
parent
63e3ee6154
commit
6460d7ba48
|
@ -105,11 +105,17 @@ static int __init arm_idle_init_cpu(int cpu)
|
|||
ret = arm_cpuidle_init(cpu);
|
||||
|
||||
/*
|
||||
* Allow the initialization to continue for other CPUs, if the reported
|
||||
* failure is a HW misconfiguration/breakage (-ENXIO).
|
||||
* Allow the initialization to continue for other CPUs, if the
|
||||
* reported failure is a HW misconfiguration/breakage (-ENXIO).
|
||||
*
|
||||
* Some platforms do not support idle operations
|
||||
* (arm_cpuidle_init() returning -EOPNOTSUPP), we should
|
||||
* not flag this case as an error, it is a valid
|
||||
* configuration.
|
||||
*/
|
||||
if (ret) {
|
||||
pr_err("CPU %d failed to init idle CPU ops\n", cpu);
|
||||
if (ret != -EOPNOTSUPP)
|
||||
pr_err("CPU %d failed to init idle CPU ops\n", cpu);
|
||||
ret = ret == -ENXIO ? 0 : ret;
|
||||
goto out_kfree_drv;
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue