Commit 615c8a7b authored Jan 02, 2018 by Suzuki K Poulose Committed by Raghavendra Rao Ananta Mar 22, 2018

arm_pmu: Use of_cpu_node_to_id helper



Use the new generic helper, of_cpu_node_to_id(), to map a
a phandle to the logical CPU number while parsing the
PMU irq affinity.

Change-Id: Iec4e1d032715838b5a468e1e4de417b72038bb7d
Cc: Will Deacon <will.deacon@arm.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Git-commit: 66582787314ed0bd1dcac3f7a2b98ff71f3fb653
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git


Signed-off-by: Raghavendra Rao Ananta <rananta@codeaurora.org>

parent d9823bfc

drivers/perf/arm_pmu_platform.c

+3 −12

Original line number	Diff line number	Diff line
		@@ -82,19 +82,10 @@ static int pmu_parse_irq_affinity(struct device_node *node, int i)
		return -EINVAL;
		}

		/* Now look up the logical CPU number */
		for_each_possible_cpu(cpu) {
		struct device_node *cpu_dn;

		cpu_dn = of_cpu_device_node_get(cpu);
		of_node_put(cpu_dn);

		if (dn == cpu_dn)
		break;
		}

		if (cpu >= nr_cpu_ids) {
		cpu = of_cpu_node_to_id(dn);
		if (cpu < 0) {
		pr_warn("failed to find logical CPU for %s\n", dn->name);
		cpu = nr_cpu_ids;
		}

		of_node_put(dn);