diff options
| author | Bjorn Helgaas <bhelgaas@google.com> | 2016-02-17 12:26:33 -0600 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-04-20 15:42:16 +0900 |
| commit | fc9683f24bc4dce3ac67f78f8b393f3c4159319c (patch) | |
| tree | c655d6e9d5743884e7988a48733c8d4ea8307d29 /arch | |
| parent | b66a7a3a0947ced3b8dff340e815b708cc4a98a7 (diff) | |
Revert "x86/PCI: Don't alloc pcibios-irq when MSI is enabled"
commit fe25d078874f2c29c38f4160467d74f5756537c9 upstream.
Revert 8affb487d4a4 ("x86/PCI: Don't alloc pcibios-irq when MSI is
enabled").
This is part of reverting 991de2e59090 ("PCI, x86: Implement
pcibios_alloc_irq() and pcibios_free_irq()") to fix regressions it
introduced.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=111211
Fixes: 991de2e59090 ("PCI, x86: Implement pcibios_alloc_irq() and pcibios_free_irq()")
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
CC: Jiang Liu <jiang.liu@linux.intel.com>
CC: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/pci/common.c | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c index eccd4d99e6a4..dc78a4a9a466 100644 --- a/arch/x86/pci/common.c +++ b/arch/x86/pci/common.c @@ -675,14 +675,6 @@ 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); } |