Messages in this thread Patch in this message | | | Date | Wed, 26 Nov 2014 15:22:12 -0800 | From | tip-bot for Jiang Liu <> | Subject | [tip:x86/apic] ACPI, irq, x86: Kill private function mp_register_gsi()/ mp_unregister_gsi() |
| |
Commit-ID: 1dbc321f50262cc1218be65cd352957df6f98a1a Gitweb: http://git.kernel.org/tip/1dbc321f50262cc1218be65cd352957df6f98a1a Author: Jiang Liu <jiang.liu@linux.intel.com> AuthorDate: Tue, 25 Nov 2014 15:50:00 +0800 Committer: Thomas Gleixner <tglx@linutronix.de> CommitDate: Wed, 26 Nov 2014 23:52:50 +0100
ACPI, irq, x86: Kill private function mp_register_gsi()/ mp_unregister_gsi()
Function mp_register_gsi() is only called once, so fold it into caller acpi_register_gsi_ioapic(). Do the same for mp_unregister_gsi().
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Joerg Roedel <joro@8bytes.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Rafael J. Wysocki <rjw@rjwysocki.net> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Yinghai Lu <yinghai@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Len Brown <len.brown@intel.com> Cc: Pavel Machek <pavel@ucw.cz> Link: http://lkml.kernel.org/r/1416901802-24211-37-git-send-email-jiang.liu@linux.intel.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Joerg Roedel <jroedel@suse.de> --- arch/x86/kernel/acpi/boot.c | 57 ++++++++++++++------------------------------- 1 file changed, 18 insertions(+), 39 deletions(-)
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index 509a48f..e54a8d7 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -400,42 +400,6 @@ static int mp_config_acpi_gsi(struct device *dev, u32 gsi, int trigger, return 0; } -static int mp_register_gsi(struct device *dev, u32 gsi, int trigger, - int polarity) -{ - int irq, node; - struct irq_alloc_info info; - - if (acpi_irq_model != ACPI_IRQ_MODEL_IOAPIC) - return gsi; - - trigger = trigger == ACPI_EDGE_SENSITIVE ? 0 : 1; - polarity = polarity == ACPI_ACTIVE_HIGH ? 0 : 1; - node = dev ? dev_to_node(dev) : NUMA_NO_NODE; - ioapic_set_alloc_attr(&info, node, trigger, polarity); - irq = mp_map_gsi_to_irq(gsi, IOAPIC_MAP_ALLOC, &info); - if (irq < 0) - return irq; - - /* Don't set up the ACPI SCI because it's already set up */ - if (enable_update_mptable && acpi_gbl_FADT.sci_interrupt != gsi) - mp_config_acpi_gsi(dev, gsi, trigger, polarity); - - return irq; -} - -static void mp_unregister_gsi(u32 gsi) -{ - int irq; - - if (acpi_irq_model != ACPI_IRQ_MODEL_IOAPIC) - return; - - irq = mp_map_gsi_to_irq(gsi, 0, NULL); - if (irq > 0) - mp_unmap_irq(irq); -} - static struct irq_domain_ops acpi_irqdomain_ops = { .alloc = mp_irqdomain_alloc, .free = mp_irqdomain_free, @@ -657,10 +621,21 @@ static int acpi_register_gsi_ioapic(struct device *dev, u32 gsi, int trigger, int polarity) { int irq = gsi; - #ifdef CONFIG_X86_IO_APIC + int node; + struct irq_alloc_info info; + + node = dev ? dev_to_node(dev) : NUMA_NO_NODE; + trigger = trigger == ACPI_EDGE_SENSITIVE ? 0 : 1; + polarity = polarity == ACPI_ACTIVE_HIGH ? 0 : 1; + ioapic_set_alloc_attr(&info, node, trigger, polarity); + mutex_lock(&acpi_ioapic_lock); - irq = mp_register_gsi(dev, gsi, trigger, polarity); + irq = mp_map_gsi_to_irq(gsi, IOAPIC_MAP_ALLOC, &info); + /* Don't set up the ACPI SCI because it's already set up */ + if (irq >= 0 && enable_update_mptable && + acpi_gbl_FADT.sci_interrupt != gsi) + mp_config_acpi_gsi(dev, gsi, trigger, polarity); mutex_unlock(&acpi_ioapic_lock); #endif @@ -670,8 +645,12 @@ static int acpi_register_gsi_ioapic(struct device *dev, u32 gsi, static void acpi_unregister_gsi_ioapic(u32 gsi) { #ifdef CONFIG_X86_IO_APIC + int irq; + mutex_lock(&acpi_ioapic_lock); - mp_unregister_gsi(gsi); + irq = mp_map_gsi_to_irq(gsi, 0, NULL); + if (irq > 0) + mp_unmap_irq(irq); mutex_unlock(&acpi_ioapic_lock); #endif }
| |