From 8a3e533df17f821a4d25dd2969d2f90d7c168b46 Mon Sep 17 00:00:00 2001 From: Jiang Liu Date: Mon, 9 Jun 2014 16:20:09 +0800 Subject: x86, irq, SFI: Release IOAPIC pin when PCI device is disabled Release IOAPIC pin associated with PCI device when the PCI device is disabled. Signed-off-by: Jiang Liu Cc: Konrad Rzeszutek Wilk Cc: Tony Luck Cc: Joerg Roedel Cc: Paul Gortmaker Cc: Greg Kroah-Hartman Cc: Benjamin Herrenschmidt Cc: Grant Likely Cc: Rafael J. Wysocki Cc: Bjorn Helgaas Cc: Randy Dunlap Cc: Yinghai Lu Link: http://lkml.kernel.org/r/1402302011-23642-41-git-send-email-jiang.liu@linux.intel.com Signed-off-by: Thomas Gleixner --- arch/x86/pci/intel_mid_pci.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'arch/x86') diff --git a/arch/x86/pci/intel_mid_pci.c b/arch/x86/pci/intel_mid_pci.c index 337d165c64f1..09fece368592 100644 --- a/arch/x86/pci/intel_mid_pci.c +++ b/arch/x86/pci/intel_mid_pci.c @@ -227,6 +227,12 @@ static int intel_mid_pci_irq_enable(struct pci_dev *dev) return 0; } +static void intel_mid_pci_irq_disable(struct pci_dev *dev) +{ + if (dev->irq > 0) + mp_unmap_irq(dev->irq); +} + struct pci_ops intel_mid_pci_ops = { .read = pci_read, .write = pci_write, @@ -243,6 +249,7 @@ int __init intel_mid_pci_init(void) pr_info("Intel MID platform detected, using MID PCI ops\n"); pci_mmcfg_late_init(); pcibios_enable_irq = intel_mid_pci_irq_enable; + pcibios_disable_irq = intel_mid_pci_irq_disable; pci_root_ops = intel_mid_pci_ops; pci_soc_mode = 1; /* Continue with standard init */ -- cgit v1.2.3