PCI/MSI: Remove unused pcibios_msi_controller() hook

The pcibios_msi_controller() hook was only implemented by ARM, and it sets
pci_bus->msi now, so it doesn't need this hook anymore.

Remove the unused pcibios_msi_controller() hook.

[bhelgaas: changelog, split into separate patch]
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

1 files changed, 1 insertions, 16 deletions

diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index f66be868ad21..0d20142c1ba0 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -77,24 +77,9 @@ static void pci_msi_teardown_msi_irqs(struct pci_dev *dev)
 
 /* Arch hooks */
 
-struct msi_controller * __weak pcibios_msi_controller(struct pci_dev *dev)
-{
-        return NULL;
-}
-
-static struct msi_controller *pci_msi_controller(struct pci_dev *dev)
-{
-        struct msi_controller *msi_ctrl = dev->bus->msi;
-
-        if (msi_ctrl)
-                return msi_ctrl;
-
-        return pcibios_msi_controller(dev);
-}
-
 int __weak arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc)
 {
-        struct msi_controller *chip = pci_msi_controller(dev);
+        struct msi_controller *chip = dev->bus->msi;
         int err;
 
         if (!chip || !chip->setup_irq)