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Message-ID: <12299447.O9o76ZdvQC@kreacher>
Date: Thu, 21 Sep 2023 14:58:02 +0200
From: "Rafael J. Wysocki" <rjw@...ysocki.net>
To: Linux ACPI <linux-acpi@...r.kernel.org>
Cc: LKML <linux-kernel@...r.kernel.org>,
Michal Wilczynski <michal.wilczynski@...el.com>,
Guenter Roeck <linux@...ck-us.net>,
Frank Scheiner <frank.scheiner@....de>,
Ard Biesheuvel <ardb@...nel.org>
Subject: [PATCH v1] ACPI: processor: Provide empty stub of acpi_proc_quirk_mwait_check()
From: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
Commit 0a0e2ea642f6 ("ACPI: processor: Move MWAIT quirk out of
acpi_processor.c") added acpi_proc_quirk_mwait_check() that is
only defined for x86 and is unlikely to be defined for any other
architectures, so put it under #ifdef CONFIG_X86 and provide
an empty stub implementation of it for the other cases.
Link: https://lore.kernel.org/lkml/c7a05a44-c0be-46c2-a21d-b242524d482b@roeck-us.net
Link: https://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git/commit/?h=remove-ia64&id=a0334bf78b95532cec54f56b53e8ae1bfe7e1ca1
Fixes: 0a0e2ea642f6 ("ACPI: processor: Move MWAIT quirk out of acpi_processor.c")
Reported-by: Guenter Roeck <linux@...ck-us.net>
Reported-by: Frank Scheiner <frank.scheiner@....de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
---
This is kind of orthogonal to
https://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git/commit/?h=remove-ia64&id=a0334bf78b95532cec54f56b53e8ae1bfe7e1ca1
because if any architectures other than x86 and ia64 decide to use the
processor _OSC, they will see the reported build error.
---
drivers/acpi/internal.h | 14 ++++----------
1 file changed, 4 insertions(+), 10 deletions(-)
Index: linux-pm/drivers/acpi/internal.h
===================================================================
--- linux-pm.orig/drivers/acpi/internal.h
+++ linux-pm/drivers/acpi/internal.h
@@ -148,8 +148,11 @@ int acpi_wakeup_device_init(void);
#ifdef CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC
void acpi_early_processor_control_setup(void);
void acpi_early_processor_set_pdc(void);
-
+#ifdef CONFIG_X86
void acpi_proc_quirk_mwait_check(void);
+#else
+static inline void acpi_proc_quirk_mwait_check(void) {}
+#endif
bool processor_physically_present(acpi_handle handle);
#else
static inline void acpi_early_processor_control_setup(void) {}
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