From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andy Shevchenko Subject: [PATCH v1 1/3] ACPI / x86: boot: Not all platforms require acpi_reduced_hw_init() Date: Wed, 17 Jan 2018 19:34:07 +0200 Message-ID: <20180117173409.88136-1-andriy.shevchenko@linux.intel.com> Return-path: Received: from mga07.intel.com ([134.134.136.100]:50454 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750969AbeAQReO (ORCPT ); Wed, 17 Jan 2018 12:34:14 -0500 Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , x86@kernel.org, "Rafael J. Wysocki" , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Andy Shevchenko Some platforms might take care of legacy devices on theirs own. Let's allow them to do that by exporting a weak function. Signed-off-by: Andy Shevchenko --- arch/x86/kernel/acpi/boot.c | 2 +- include/linux/acpi.h | 3 +++ 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index ec3a286163c3..9a714b79ebed 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -1375,7 +1375,7 @@ static int __init dmi_ignore_irq0_timer_override(const struct dmi_system_id *d) * * We initialize the Hardware-reduced ACPI model here: */ -static void __init acpi_reduced_hw_init(void) +void __init __weak acpi_reduced_hw_init(void) { if (acpi_gbl_reduced_hardware) { /* diff --git a/include/linux/acpi.h b/include/linux/acpi.h index f0ea50ba0550..eb881516bce6 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -226,6 +226,8 @@ struct acpi_subtable_proc { void __iomem *__acpi_map_table(unsigned long phys, unsigned long size); void __acpi_unmap_table(void __iomem *map, unsigned long size); + +void acpi_reduced_hw_init(void); int early_acpi_boot_init(void); int acpi_boot_init (void); void acpi_boot_table_init (void); @@ -707,6 +709,7 @@ static inline struct device *acpi_get_first_physical_node(struct acpi_device *ad static inline void acpi_early_init(void) { } static inline void acpi_subsystem_init(void) { } +static inline void acpi_reduced_hw_init(void) { } static inline int early_acpi_boot_init(void) { return 0; -- 2.15.1