From: Viresh Kumar <viresh.kumar@linaro.org>
To: Zihuan Zhang <zhangzihuan@kylinos.cn>
Cc: "Rafael J . wysocki" <rafael@kernel.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
Sean Christopherson <seanjc@google.com>,
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linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 11/18] cpufreq: tegra186: Use __free(put_cpufreq_policy) for policy reference
Date: Fri, 29 Aug 2025 11:59:51 +0530 [thread overview]
Message-ID: <20250829062951.ximauv2so442q4gv@vireshk-i7> (raw)
In-Reply-To: <20250827023202.10310-12-zhangzihuan@kylinos.cn>
On 27-08-25, 10:31, Zihuan Zhang wrote:
> Replace the manual cpufreq_cpu_put() with __free(put_cpufreq_policy)
> annotation for policy references. This reduces the risk of reference
> counting mistakes and aligns the code with the latest kernel style.
>
> No functional change intended.
>
> Signed-off-by: Zihuan Zhang <zhangzihuan@kylinos.cn>
> ---
> drivers/cpufreq/tegra186-cpufreq.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/cpufreq/tegra186-cpufreq.c b/drivers/cpufreq/tegra186-cpufreq.c
> index cbabb726c664..4d71e262a729 100644
> --- a/drivers/cpufreq/tegra186-cpufreq.c
> +++ b/drivers/cpufreq/tegra186-cpufreq.c
> @@ -105,7 +105,7 @@ static unsigned int tegra186_cpufreq_get(unsigned int cpu)
> {
> struct tegra186_cpufreq_data *data = cpufreq_get_driver_data();
> struct tegra186_cpufreq_cluster *cluster;
> - struct cpufreq_policy *policy;
> + struct cpufreq_policy *policy __free(put_cpufreq_policy);
> unsigned int edvd_offset, cluster_id;
> u32 ndiv;
>
> @@ -117,7 +117,6 @@ static unsigned int tegra186_cpufreq_get(unsigned int cpu)
> ndiv = readl(data->regs + edvd_offset) & EDVD_CORE_VOLT_FREQ_F_MASK;
> cluster_id = data->cpus[policy->cpu].bpmp_cluster_id;
> cluster = &data->clusters[cluster_id];
> - cpufreq_cpu_put(policy);
>
> return (cluster->ref_clk_khz * ndiv) / cluster->div;
Merged with:
diff --git a/drivers/cpufreq/tegra186-cpufreq.c b/drivers/cpufreq/tegra186-cpufreq.c
index 4d71e262a729..4270686fc3e3 100644
--- a/drivers/cpufreq/tegra186-cpufreq.c
+++ b/drivers/cpufreq/tegra186-cpufreq.c
@@ -103,13 +103,12 @@ static int tegra186_cpufreq_set_target(struct cpufreq_policy *policy,
static unsigned int tegra186_cpufreq_get(unsigned int cpu)
{
+ struct cpufreq_policy *policy __free(put_cpufreq_policy) = cpufreq_cpu_get(cpu);
struct tegra186_cpufreq_data *data = cpufreq_get_driver_data();
struct tegra186_cpufreq_cluster *cluster;
- struct cpufreq_policy *policy __free(put_cpufreq_policy);
unsigned int edvd_offset, cluster_id;
u32 ndiv;
- policy = cpufreq_cpu_get(cpu);
if (!policy)
return 0;
--
viresh
next prev parent reply other threads:[~2025-08-29 6:29 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-27 2:31 [PATCH v2 00/18] cpufreq: use __free() for all cpufreq_cpu_get() references Zihuan Zhang
2025-08-27 2:31 ` [PATCH v2 01/18] arm64: topology: Use __free(put_cpufreq_policy) for policy reference Zihuan Zhang
2025-08-27 8:30 ` Ben Horgan
2025-08-27 8:55 ` Zihuan Zhang
2025-08-27 9:12 ` Ben Horgan
2025-08-27 9:21 ` Zihuan Zhang
2025-08-27 9:17 ` Sudeep Holla
[not found] ` <1756341899099493.57.seg@mailgw.kylinos.cn>
2025-08-28 2:32 ` Zihuan Zhang
2025-08-27 2:31 ` [PATCH v2 02/18] KVM: x86: " Zihuan Zhang
2025-08-27 14:13 ` Sean Christopherson
2025-08-28 1:17 ` Zihuan Zhang
2025-08-28 17:15 ` Sean Christopherson
2025-08-27 2:31 ` [PATCH v2 03/18] ACPI: processor: thermal: " Zihuan Zhang
2025-08-28 9:40 ` Rafael J. Wysocki
2025-08-29 1:09 ` Zihuan Zhang
2025-08-27 2:31 ` [PATCH v2 04/18] cpufreq: brcmstb-avs-cpufreq: " Zihuan Zhang
2025-08-29 5:59 ` Viresh Kumar
2025-08-29 6:16 ` Zihuan Zhang
2025-08-29 6:26 ` Viresh Kumar
2025-08-29 6:32 ` Zihuan Zhang
2025-08-27 2:31 ` [PATCH v2 05/18] cpufreq: CPPC: " Zihuan Zhang
2025-08-29 6:04 ` Viresh Kumar
2025-08-27 2:31 ` [PATCH v2 06/18] cpufreq: intel_pstate: " Zihuan Zhang
2025-08-27 2:31 ` [PATCH v2 07/18] cpufreq: longhaul: " Zihuan Zhang
2025-08-27 2:31 ` [PATCH v2 08/18] cpufreq: mediatek: " Zihuan Zhang
2025-08-29 6:18 ` Viresh Kumar
2025-08-27 2:31 ` [PATCH v2 09/18] cpufreq: powernv: " Zihuan Zhang
2025-08-27 2:31 ` [PATCH v2 10/18] cpufreq: s5pv210: " Zihuan Zhang
2025-08-29 6:13 ` Viresh Kumar
2025-08-27 2:31 ` [PATCH v2 11/18] cpufreq: tegra186: " Zihuan Zhang
2025-08-29 6:29 ` Viresh Kumar [this message]
2025-08-27 2:31 ` [PATCH v2 12/18] PM / devfreq: " Zihuan Zhang
2025-08-27 2:31 ` [PATCH v2 13/18] drm/i915: " Zihuan Zhang
2025-08-27 2:31 ` [PATCH v2 14/18] cpufreq: powerpc: macintosh: " Zihuan Zhang
2025-08-27 2:31 ` [PATCH v2 15/18] powercap: dtpm_cpu: " Zihuan Zhang
2025-08-27 2:32 ` [PATCH v2 16/18] thermal: imx: " Zihuan Zhang
2025-08-27 2:32 ` [PATCH v2 17/18] thermal/drivers/ti-soc-thermal: " Zihuan Zhang
2025-08-27 2:32 ` [PATCH v2 18/18] PM: EM: " Zihuan Zhang
2025-08-27 3:50 ` [PATCH v2 15/18] powercap: dtpm_cpu: " Zihuan Zhang
2025-08-27 5:21 ` Zihuan Zhang
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