From: Ionela Voinescu <ionela.voinescu@arm.com>
To: Sudeep Holla <sudeep.holla@arm.com>,
"Rafael J . Wysocki" <rjw@rjwysocki.net>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>,
Giovanni Gherdovich <ggherdovich@suse.cz>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
Valentin Schneider <valentin.schneider@arm.com>,
Dietmar Eggemann <dietmar.eggemann@arm.com>,
Sean Kelley <skelley@nvidia.com>
Cc: Pierre Gondois <pierre.gondois@arm.com>,
linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>
Subject: [PATCH v4 1/3] x86, ACPI: rename init_freq_invariance_cppc to arch_init_invariance_cppc
Date: Thu, 10 Mar 2022 14:54:49 +0000 [thread overview]
Message-ID: <20220310145451.15596-2-ionela.voinescu@arm.com> (raw)
In-Reply-To: <20220310145451.15596-1-ionela.voinescu@arm.com>
init_freq_invariance_cppc() was called in acpi_cppc_processor_probe(),
after CPU performance information and controls were populated from the
per-cpu _CPC objects.
But these _CPC objects provide information that helps with both CPU
(u-arch) and frequency invariance. Therefore, change the function name
to a more generic one, while adding the arch_ prefix, as this function
is expected to be defined differently by different architectures.
Signed-off-by: Ionela Voinescu <ionela.voinescu@arm.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Tested-by: Valentin Schneider <valentin.schneider@arm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Giovanni Gherdovich <ggherdovich@suse.cz>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
---
arch/x86/include/asm/topology.h | 2 +-
drivers/acpi/cppc_acpi.c | 6 +++---
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/x86/include/asm/topology.h b/arch/x86/include/asm/topology.h
index 127b693273e3..9619385bf749 100644
--- a/arch/x86/include/asm/topology.h
+++ b/arch/x86/include/asm/topology.h
@@ -228,7 +228,7 @@ static inline void init_freq_invariance(bool secondary, bool cppc_ready)
#ifdef CONFIG_ACPI_CPPC_LIB
void init_freq_invariance_cppc(void);
-#define init_freq_invariance_cppc init_freq_invariance_cppc
+#define arch_init_invariance_cppc init_freq_invariance_cppc
bool amd_set_max_freq_ratio(u64 *ratio);
#else
diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c
index 866560cbb082..bfd142ab4e07 100644
--- a/drivers/acpi/cppc_acpi.c
+++ b/drivers/acpi/cppc_acpi.c
@@ -633,8 +633,8 @@ static bool is_cppc_supported(int revision, int num_ent)
* )
*/
-#ifndef init_freq_invariance_cppc
-static inline void init_freq_invariance_cppc(void) { }
+#ifndef arch_init_invariance_cppc
+static inline void arch_init_invariance_cppc(void) { }
#endif
/**
@@ -816,7 +816,7 @@ int acpi_cppc_processor_probe(struct acpi_processor *pr)
goto out_free;
}
- init_freq_invariance_cppc();
+ arch_init_invariance_cppc();
kfree(output.pointer);
return 0;
--
2.25.1
next prev parent reply other threads:[~2022-03-10 15:06 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-10 14:54 [PATCH v4 0/3] arch_topology, ACPI: populate cpu capacity from CPPC Ionela Voinescu
2022-03-10 14:54 ` Ionela Voinescu [this message]
2022-03-10 14:54 ` [PATCH v4 2/3] arch_topology: obtain cpu capacity using information " Ionela Voinescu
2022-03-10 14:54 ` [PATCH v4 3/3] arm64, topology: enable use of init_cpu_capacity_cppc() Ionela Voinescu
2022-03-10 19:23 ` [PATCH v4 0/3] arch_topology, ACPI: populate cpu capacity from CPPC Rafael J. Wysocki
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