From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Jiang Liu To: Sander Eikelenboom , David Vrabel , Thomas Gleixner , Konrad Rzeszutek Wilk , Bjorn Helgaas , Ingo Molnar , "H. Peter Anvin" , x86@kernel.org Cc: Jiang Liu , "Rafael J . Wysocki" , Tony Luck , linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org, linux-pci@vger.kernel.org Subject: [Bugfix v4 2/2] xen/pci: Simplify x86/pci/xen.c by killing gsi_override related code Date: Thu, 15 Jan 2015 21:04:36 +0800 Message-Id: <1421327077-19894-3-git-send-email-jiang.liu@linux.intel.com> In-Reply-To: <1421327077-19894-1-git-send-email-jiang.liu@linux.intel.com> References: <1421204979-30619-1-git-send-email-jiang.liu@linux.intel.com> <1421327077-19894-1-git-send-email-jiang.liu@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: There's no use of gsi_override related logic anymore, so kill code related to gsi_override. Signed-off-by: Jiang Liu --- arch/x86/pci/xen.c | 21 ++++++--------------- 1 file changed, 6 insertions(+), 15 deletions(-) diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c index 6e5e89c3c644..a73c3bd71243 100644 --- a/arch/x86/pci/xen.c +++ b/arch/x86/pci/xen.c @@ -59,8 +59,7 @@ static int xen_pcifront_enable_irq(struct pci_dev *dev) } #ifdef CONFIG_ACPI -static int xen_register_pirq(u32 gsi, int gsi_override, int triggering, - bool set_pirq) +static int xen_register_pirq(u32 gsi, int triggering, bool set_pirq) { int rc, pirq = -1, irq = -1; struct physdev_map_pirq map_irq; @@ -93,9 +92,6 @@ static int xen_register_pirq(u32 gsi, int gsi_override, int triggering, name = "ioapic-level"; } - if (gsi_override >= 0) - gsi = gsi_override; - irq = xen_bind_pirq_gsi_to_irq(gsi, map_irq.pirq, shareable, name); if (irq < 0) goto out; @@ -111,12 +107,13 @@ static int acpi_register_gsi_xen_hvm(struct device *dev, u32 gsi, if (!xen_hvm_domain()) return -1; - return xen_register_pirq(gsi, -1 /* no GSI override */, trigger, + return xen_register_pirq(gsi, trigger, false /* no mapping of GSI to PIRQ */); } #ifdef CONFIG_XEN_DOM0 -static int xen_register_gsi(u32 gsi, int gsi_override, int triggering, int polarity) +static int acpi_register_gsi_xen(struct device *dev, u32 gsi, + int triggering, int polarity) { int rc, irq; struct physdev_setup_gsi setup_gsi; @@ -127,7 +124,7 @@ static int xen_register_gsi(u32 gsi, int gsi_override, int triggering, int polar printk(KERN_DEBUG "xen: registering gsi %u triggering %d polarity %d\n", gsi, triggering, polarity); - irq = xen_register_pirq(gsi, gsi_override, triggering, true); + irq = xen_register_pirq(gsi, triggering, true); setup_gsi.gsi = gsi; setup_gsi.triggering = (triggering == ACPI_EDGE_SENSITIVE ? 0 : 1); @@ -143,12 +140,6 @@ static int xen_register_gsi(u32 gsi, int gsi_override, int triggering, int polar return irq; } - -static int acpi_register_gsi_xen(struct device *dev, u32 gsi, - int trigger, int polarity) -{ - return xen_register_gsi(gsi, -1 /* no GSI override */, trigger, polarity); -} #endif #endif @@ -489,7 +480,7 @@ int __init pci_xen_initial_domain(void) if (acpi_get_override_irq(irq, &trigger, &polarity) == -1) continue; - xen_register_pirq(irq, -1 /* no GSI override */, + xen_register_pirq(irq, trigger ? ACPI_LEVEL_SENSITIVE : ACPI_EDGE_SENSITIVE, true /* Map GSI to PIRQ */); } -- 1.7.10.4