From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jiang Liu Subject: [Patch V4 26/42] x86, mpparse, irq: provide basic irqdomain support Date: Mon, 9 Jun 2014 16:19:55 +0800 Message-ID: <1402302011-23642-27-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 , x86@kernel.org, Jiang Liu Cc: 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 List-Id: linux-acpi@vger.kernel.org Enhance mpparse to provide basic support of irqdomain. Signed-off-by: Jiang Liu --- arch/x86/kernel/mpparse.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c index ea8595e4cbd5..13c8e1f864fc 100644 --- a/arch/x86/kernel/mpparse.c +++ b/arch/x86/kernel/mpparse.c @@ -19,6 +19,7 @@ #include #include #include +#include #include #include @@ -112,10 +113,17 @@ static void __init MP_bus_info(struct mpc_bus *m) pr_warn("Unknown bustype %s - ignoring\n", str); } +static struct irq_domain_ops mp_ioapic_irqdomain_ops; + static void __init MP_ioapic_info(struct mpc_ioapic *m) { + struct ioapic_domain_cfg cfg = { + .type = IOAPIC_DOMAIN_LEGACY, + .ops = &mp_ioapic_irqdomain_ops, + }; + if (m->flags & MPC_APIC_USABLE) - mp_register_ioapic(m->apicid, m->apicaddr, gsi_top, NULL); + mp_register_ioapic(m->apicid, m->apicaddr, gsi_top, &cfg); } static void __init print_mp_irq_info(struct mpc_intsrc *mp_irq) -- 1.7.10.4