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| author | Marc Zyngier <maz@kernel.org> | 2021-03-30 16:11:38 +0100 |
|---|---|---|
| committer | Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> | 2021-04-20 14:11:22 +0100 |
| commit | 3a05d08f6cc75b74079290c33d6127b2857226fa (patch) | |
| tree | 26c39190c594fba413a783e38bb1e5659f0675d1 /drivers/pci/msi.c | |
| parent | e0fad163b6e7482be32ae99662240268aa0e1bf1 (diff) | |
| download | lwn-3a05d08f6cc75b74079290c33d6127b2857226fa.tar.gz lwn-3a05d08f6cc75b74079290c33d6127b2857226fa.zip | |
PCI/MSI: Drop use of msi_controller from core code
As there is no driver using msi_controller, we can now safely
remove its use from the PCI probe code.
Link: https://lore.kernel.org/r/20210330151145.997953-8-maz@kernel.org
Signed-off-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci/msi.c')
| -rw-r--r-- | drivers/pci/msi.c | 23 |
1 files changed, 1 insertions, 22 deletions
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index 3162f88fe940..79b5a995bd02 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -64,39 +64,18 @@ static void pci_msi_teardown_msi_irqs(struct pci_dev *dev) /* Arch hooks */ int __weak arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc) { - struct msi_controller *chip = dev->bus->msi; - int err; - - if (!chip || !chip->setup_irq) - return -EINVAL; - - err = chip->setup_irq(chip, dev, desc); - if (err < 0) - return err; - - irq_set_chip_data(desc->irq, chip); - - return 0; + return -EINVAL; } void __weak arch_teardown_msi_irq(unsigned int irq) { - struct msi_controller *chip = irq_get_chip_data(irq); - - if (!chip || !chip->teardown_irq) - return; - - chip->teardown_irq(chip, irq); } int __weak arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) { - struct msi_controller *chip = dev->bus->msi; struct msi_desc *entry; int ret; - if (chip && chip->setup_irqs) - return chip->setup_irqs(chip, dev, nvec, type); /* * If an architecture wants to support multiple MSI, it needs to * override arch_setup_msi_irqs() |