From 5ae74f2cc2f150c1a5cee54cabbd71dd0661285a Mon Sep 17 00:00:00 2001 From: Lv Zheng Date: Mon, 11 Apr 2016 10:13:18 +0800 Subject: ACPI / tables: Move table override mechanisms to tables.c This patch moves acpi_os_table_override() and acpi_os_physical_table_override() to tables.c. Along with the mechanisms, acpi_initrd_initialize_tables() is also moved to tables.c to form a static function. The following functions are renamed according to this change: 1. acpi_initrd_override() -> renamed to early_acpi_table_init(), which invokes acpi_table_initrd_init() 2. acpi_os_physical_table_override() -> which invokes acpi_table_initrd_override() 3. acpi_initialize_initrd_tables() -> renamed to acpi_table_initrd_scan() Signed-off-by: Lv Zheng Signed-off-by: Rafael J. Wysocki --- arch/x86/kernel/setup.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/x86/kernel') diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 2367ae07eb76..902a6f7b1c04 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -1139,7 +1139,7 @@ void __init setup_arch(char **cmdline_p) reserve_initrd(); #if defined(CONFIG_ACPI) && defined(CONFIG_BLK_DEV_INITRD) - acpi_initrd_override((void *)initrd_start, initrd_end - initrd_start); + early_acpi_table_init((void *)initrd_start, initrd_end - initrd_start); #endif vsmp_init(); -- cgit v1.2.3-59-g8ed1b From af06f8b7a102417e93dc57ee7affb9fedcf5d83f Mon Sep 17 00:00:00 2001 From: Lv Zheng Date: Mon, 11 Apr 2016 10:13:27 +0800 Subject: ACPI / x86: Cleanup initrd related code In arch/x86/kernel/setup.c, the #ifdef kept for CONFIG_ACPI actually is related to the accessibility of initrd_start/initrd_end, so the stub should be provided from this source file and should only be dependent on CONFIG_BLK_DEV_INITRD. Note that when ACPI=n and BLK_DEV_INITRD=y, early_initrd_acpi_init() is still a stub because of the stub prepared for early_acpi_table_init(). Signed-off-by: Lv Zheng Signed-off-by: Rafael J. Wysocki --- arch/x86/kernel/setup.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) (limited to 'arch/x86/kernel') diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 902a6f7b1c04..c4e7b3991b60 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -398,6 +398,11 @@ static void __init reserve_initrd(void) memblock_free(ramdisk_image, ramdisk_end - ramdisk_image); } + +static void __init early_initrd_acpi_init(void) +{ + early_acpi_table_init((void *)initrd_start, initrd_end - initrd_start); +} #else static void __init early_reserve_initrd(void) { @@ -405,6 +410,9 @@ static void __init early_reserve_initrd(void) static void __init reserve_initrd(void) { } +static void __init early_initrd_acpi_init(void) +{ +} #endif /* CONFIG_BLK_DEV_INITRD */ static void __init parse_setup_data(void) @@ -1138,9 +1146,7 @@ void __init setup_arch(char **cmdline_p) reserve_initrd(); -#if defined(CONFIG_ACPI) && defined(CONFIG_BLK_DEV_INITRD) - early_acpi_table_init((void *)initrd_start, initrd_end - initrd_start); -#endif + early_initrd_acpi_init(); vsmp_init(); -- cgit v1.2.3-59-g8ed1b From 9e5ed6d1fb87dc3ff0c2a94ed75fe82027a9f597 Mon Sep 17 00:00:00 2001 From: Sinan Kaya Date: Sun, 17 Apr 2016 13:36:56 -0400 Subject: ACPI,PCI,IRQ: remove SCI penalize function Removing the SCI penalize function as the penalty is now calculated on the fly. Signed-off-by: Sinan Kaya Acked-by: Bjorn Helgaas Signed-off-by: Rafael J. Wysocki --- arch/x86/kernel/acpi/boot.c | 1 - drivers/acpi/pci_link.c | 4 ---- include/linux/acpi.h | 1 - 3 files changed, 6 deletions(-) (limited to 'arch/x86/kernel') diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index 8c2f1ef6ca23..edf48404d15d 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -445,7 +445,6 @@ static void __init acpi_sci_ioapic_setup(u8 bus_irq, u16 polarity, u16 trigger, polarity = acpi_sci_flags & ACPI_MADT_POLARITY_MASK; mp_override_legacy_irq(bus_irq, polarity, trigger, gsi); - acpi_penalize_sci_irq(bus_irq, trigger, polarity); /* * stash over-ride to indicate we've been here diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c index ab39208ba7e5..8fc7323ed3e8 100644 --- a/drivers/acpi/pci_link.c +++ b/drivers/acpi/pci_link.c @@ -848,10 +848,6 @@ bool acpi_isa_irq_available(int irq) acpi_irq_get_penalty(irq) < PIRQ_PENALTY_ISA_ALWAYS); } -void acpi_penalize_sci_irq(int irq, int trigger, int polarity) -{ -} - /* * Over-ride default table to reserve additional IRQs for use by ISA * e.g. acpi_irq_isa=5 diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 06ed7e54033e..0f413170c8f9 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -311,7 +311,6 @@ struct pci_dev; int acpi_pci_irq_enable (struct pci_dev *dev); void acpi_penalize_isa_irq(int irq, int active); bool acpi_isa_irq_available(int irq); -void acpi_penalize_sci_irq(int irq, int trigger, int polarity); void acpi_pci_irq_disable (struct pci_dev *dev); extern int ec_read(u8 addr, u8 *val); -- cgit v1.2.3-59-g8ed1b