Commit c6b90653 authored by Dirk Behme's avatar Dirk Behme Committed by Will Deacon

drivers/perf: arm_pmu: make info messages more verbose

On a big.LITTLE system e.g. with Cortex A57 and A53 in case not all cores
are online at PMU probe time we might get

hw perfevents: failed to probe PMU!
hw perfevents: failed to register PMU devices!

making it unclear which cores failed, here.

Add the device tree full name which failed and the error value resulting
in a more verbose and helpful message like

hw perfevents: /soc/pmu_a53: failed to probe PMU! Error -6
hw perfevents: /soc/pmu_a53: failed to register PMU devices! Error -6
Signed-off-by: default avatarDirk Behme <dirk.behme@de.bosch.com>
Signed-off-by: default avatarWill Deacon <will.deacon@arm.com>
parent 8d1a0ae7
......@@ -907,7 +907,8 @@ int arm_pmu_device_probe(struct platform_device *pdev,
}
if (ret) {
pr_info("failed to probe PMU!\n");
pr_info("%s: failed to probe PMU! Error %i\n",
node->full_name, ret);
goto out_free;
}
......@@ -927,7 +928,8 @@ int arm_pmu_device_probe(struct platform_device *pdev,
out_destroy:
cpu_pmu_destroy(pmu);
out_free:
pr_info("failed to register PMU devices!\n");
pr_info("%s: failed to register PMU devices! Error %i\n",
node->full_name, ret);
kfree(pmu);
return ret;
}
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment