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| author | Bjorn Helgaas <bhelgaas@google.com> | 2016-02-17 19:26:33 +0100 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2016-02-17 19:26:33 +0100 |
| commit | fe25d078874f2c29c38f4160467d74f5756537c9 (patch) | |
| tree | e252e0ed3039c5c4da74100c0152b1de58b95ca2 /arch | |
| parent | PCI: rcar: Add device tree support for r8a7793 (diff) | |
| download | linux-fe25d078874f2c29c38f4160467d74f5756537c9.tar.xz linux-fe25d078874f2c29c38f4160467d74f5756537c9.zip | |
Revert "x86/PCI: Don't alloc pcibios-irq when MSI is enabled"
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>
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 2879efc73a96..cb499c5b6ae5 100644 --- a/arch/x86/pci/common.c +++ b/arch/x86/pci/common.c @@ -713,14 +713,6 @@ 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); } |