From: timur@codeaurora.org (Timur Tabi)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 3/4] arm64: pmu: Add support for probing with ACPI
Date: Sun, 13 Mar 2016 18:28:38 -0500 [thread overview]
Message-ID: <56E5F7A6.3030905@codeaurora.org> (raw)
In-Reply-To: <1457911398-22412-4-git-send-email-jeremy.linton@arm.com>
Jeremy Linton wrote:
> + int i, count, irq;
> +
> + if (acpi_disabled)
> + return 0;
> +
> + acpi_parse_boot_cpu();
> +
> + /* Must have irq for boot boot cpu, at least */
> + if (pirq->gsi == 0)
> + return -EINVAL;
> +
> + irq = acpi_register_gsi(NULL, pirq->gsi, pirq->trigger,
> + ACPI_ACTIVE_HIGH);
> +
> + if (irq_is_percpu(irq))
> + count = 1;
> + else
> + for (i = 1, count = 1; i < NR_CPUS; i++)
> + if (pmu_irqs[i].gsi)
> + ++count;
You could more simply with:
int count = 1
...
if (!irq_is_percpu(irq))
for (i = 1; i < NR_CPUS; i++)
if (pmu_irqs[i].gsi)
++count;
--
Sent by an employee of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the
Code Aurora Forum, hosted by The Linux Foundation.
next prev parent reply other threads:[~2016-03-13 23:28 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-13 23:23 [RFC 0/4 v3] arm64/perf: Add ACPI support Jeremy Linton
2016-03-13 23:23 ` [PATCH 1/4] arm: pmu: Fix non-devicetree probing Jeremy Linton
2016-03-13 23:23 ` [PATCH 2/4] arm64: pmu: add fallback probe table Jeremy Linton
2016-03-16 21:39 ` nleeder at codeaurora.org
2016-03-13 23:23 ` [PATCH 3/4] arm64: pmu: Add support for probing with ACPI Jeremy Linton
2016-03-13 23:28 ` Timur Tabi [this message]
2016-03-14 1:44 ` Jeremy Linton
2016-03-13 23:23 ` [PATCH 4/4] arm64: pmu: add A72 cpu type, support multiple PMU types Jeremy Linton
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