From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jiang Liu Subject: [Patch V4 30/42] x86, irq, ACPI: use common irqdomain map interface to program IOAPIC pins Date: Mon, 9 Jun 2014 16:19:59 +0800 Message-ID: <1402302011-23642-31-git-send-email-jiang.liu@linux.intel.com> References: <1402302011-23642-1-git-send-email-jiang.liu@linux.intel.com> Return-path: In-Reply-To: <1402302011-23642-1-git-send-email-jiang.liu@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org To: Benjamin Herrenschmidt , Thomas Gleixner , Grant Likely , Ingo Molnar , "H. Peter Anvin" , "Rafael J. Wysocki" , Bjorn Helgaas , Randy Dunlap , Yinghai Lu , Len Brown , Pavel Machek , x86@kernel.org Cc: Jiang Liu , Konrad Rzeszutek Wilk , Andrew Morton , Tony Luck , Joerg Roedel , Paul Gortmaker , Greg Kroah-Hartman , linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org, linux-pm@vger.kernel.org List-Id: linux-acpi@vger.kernel.org Refine ACPI to use common irqdomain map interface to program IOAPIC pins, so we can unify the callsite to progam IOAPIC pins. Signed-off-by: Jiang Liu --- arch/x86/kernel/acpi/boot.c | 44 ++++++++++++------------------------------- 1 file changed, 12 insertions(+), 32 deletions(-) diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index 82ec56a4c6f4..edb48a8e0a0d 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -405,11 +405,7 @@ static int mp_config_acpi_gsi(struct device *dev, u32 gsi, int trigger, static int mp_register_gsi(struct device *dev, u32 gsi, int trigger, int polarity) { - int irq; - int ioapic; - int ioapic_pin; - struct io_apic_irq_attr irq_attr; - int ret; + int irq, node; if (acpi_irq_model != ACPI_IRQ_MODEL_IOAPIC) return gsi; @@ -418,39 +414,27 @@ static int mp_register_gsi(struct device *dev, u32 gsi, int trigger, if (acpi_gbl_FADT.sci_interrupt == gsi) 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; + if (mp_set_gsi_attr(gsi, trigger, polarity, node)) { + pr_warn("Failed to set pin attr for GSI%d\n", gsi); + return -1; + } + irq = map_gsi_to_irq(gsi, IOAPIC_MAP_ALLOC); if (irq < 0) return irq; - ioapic = mp_find_ioapic(gsi); - if (ioapic < 0) { - printk(KERN_WARNING "No IOAPIC for GSI %u\n", gsi); - return gsi; - } - - ioapic_pin = mp_find_ioapic_pin(ioapic, gsi); - - if (ioapic_pin > MP_MAX_IOAPIC_PIN) { - printk(KERN_ERR "Invalid reference to IOAPIC pin " - "%d-%d\n", mpc_ioapic_id(ioapic), - ioapic_pin); - return gsi; - } - if (enable_update_mptable) mp_config_acpi_gsi(dev, gsi, trigger, polarity); - set_io_apic_irq_attr(&irq_attr, ioapic, ioapic_pin, - trigger == ACPI_EDGE_SENSITIVE ? 0 : 1, - polarity == ACPI_ACTIVE_HIGH ? 0 : 1); - ret = io_apic_set_pci_routing(dev, irq, &irq_attr); - if (ret < 0) - irq = -1; - return irq; } -static struct irq_domain_ops acpi_irqdomain_ops; +static struct irq_domain_ops acpi_irqdomain_ops = { + .map = mp_irqdomain_map, +}; static int __init acpi_parse_ioapic(struct acpi_subtable_header * header, const unsigned long end) @@ -622,10 +606,6 @@ int acpi_gsi_to_irq(u32 gsi, unsigned int *irqp) int irq = map_gsi_to_irq(gsi, IOAPIC_MAP_ALLOC | IOAPIC_MAP_CHECK); if (irq >= 0) { -#ifdef CONFIG_X86_IO_APIC - if (acpi_irq_model == ACPI_IRQ_MODEL_IOAPIC) - setup_IO_APIC_irq_extra(gsi); -#endif *irqp = irq; return 0; } -- 1.7.10.4