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author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-12-04 14:01:02 +0100 |
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committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-12-04 14:01:02 +0100 |
commit | c09c9dd2e9c732658c744a802101d5c34fedde22 (patch) | |
tree | 89f930ede811e66e7a70761aaca079d779fed38a /arch/x86/pci | |
parent | 727ae8be30b428082d3519817f4fb98b712d457d (diff) | |
parent | 06bf403de344a8a0811ebd24992d2a08022c5225 (diff) | |
download | linux-c09c9dd2e9c732658c744a802101d5c34fedde22.tar.bz2 |
Merge branches 'acpi-pci' and 'pm-pci'
* acpi-pci:
x86/PCI/ACPI: Fix regression caused by commit 4d6b4e69a245
* pm-pci:
PCI / PM: Tune down retryable runtime suspend error messages
Diffstat (limited to 'arch/x86/pci')
-rw-r--r-- | arch/x86/pci/common.c | 8 | ||||
-rw-r--r-- | arch/x86/pci/legacy.c | 2 |
2 files changed, 9 insertions, 1 deletions
diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c index dc78a4a9a466..eccd4d99e6a4 100644 --- a/arch/x86/pci/common.c +++ b/arch/x86/pci/common.c @@ -675,6 +675,14 @@ int pcibios_add_device(struct pci_dev *dev) int pcibios_alloc_irq(struct pci_dev *dev) { + /* + * If the PCI device was already claimed by core code and has + * MSI enabled, probing of the pcibios IRQ will overwrite + * dev->irq. So bail out if MSI is already enabled. + */ + if (pci_dev_msi_enabled(dev)) + return -EBUSY; + return pcibios_enable_irq(dev); } diff --git a/arch/x86/pci/legacy.c b/arch/x86/pci/legacy.c index 5b662c0faf8c..ea6f3802c17b 100644 --- a/arch/x86/pci/legacy.c +++ b/arch/x86/pci/legacy.c @@ -54,7 +54,7 @@ void pcibios_scan_specific_bus(int busn) } EXPORT_SYMBOL_GPL(pcibios_scan_specific_bus); -int __init pci_subsys_init(void) +static int __init pci_subsys_init(void) { /* * The init function returns an non zero value when |