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: Dirk Behme <dirk.behme@de.bosch.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
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@ -907,7 +907,8 @@ int arm_pmu_device_probe(struct platform_device *pdev,
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}
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if (ret) {
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pr_info("failed to probe PMU!\n");
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pr_info("%s: failed to probe PMU! Error %i\n",
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node->full_name, ret);
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goto out_free;
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}
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@ -927,7 +928,8 @@ int arm_pmu_device_probe(struct platform_device *pdev,
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out_destroy:
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cpu_pmu_destroy(pmu);
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out_free:
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pr_info("failed to register PMU devices!\n");
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pr_info("%s: failed to register PMU devices! Error %i\n",
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node->full_name, ret);
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kfree(pmu);
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return ret;
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}
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