From 1be9baa09340bbe3329aab3bd0d41076f59c8f22 Mon Sep 17 00:00:00 2001 From: Bjorn Helgaas Date: Tue, 9 Dec 2008 16:12:07 -0700 Subject: [PATCH] PCI: alpha: use generic pci_swizzle_interrupt_pin() Use the generic pci_swizzle_interrupt_pin() instead of arch-specific code. Cc: Ivan Kokshaysky Signed-off-by: Bjorn Helgaas Signed-off-by: Jesse Barnes --- arch/alpha/kernel/pci.c | 2 +- arch/alpha/kernel/pci_impl.h | 9 ++------- arch/alpha/kernel/sys_dp264.c | 2 +- arch/alpha/kernel/sys_eiger.c | 2 +- arch/alpha/kernel/sys_miata.c | 2 +- arch/alpha/kernel/sys_noritake.c | 2 +- arch/alpha/kernel/sys_ruffian.c | 2 +- arch/alpha/kernel/sys_sable.c | 2 +- 8 files changed, 9 insertions(+), 14 deletions(-) diff --git a/arch/alpha/kernel/pci.c b/arch/alpha/kernel/pci.c index ff8cb638472..b03d9f42042 100644 --- a/arch/alpha/kernel/pci.c +++ b/arch/alpha/kernel/pci.c @@ -328,7 +328,7 @@ common_swizzle(struct pci_dev *dev, u8 *pinp) u8 pin = *pinp; while (dev->bus->parent) { - pin = bridge_swizzle(pin, PCI_SLOT(dev->devfn)); + pin = pci_swizzle_interrupt_pin(dev, pin); /* Move up the chain of bridges. */ dev = dev->bus->self; } diff --git a/arch/alpha/kernel/pci_impl.h b/arch/alpha/kernel/pci_impl.h index f8b74995a00..7336651592a 100644 --- a/arch/alpha/kernel/pci_impl.h +++ b/arch/alpha/kernel/pci_impl.h @@ -106,16 +106,11 @@ struct pci_iommu_arena; * Where A = pin 1, B = pin 2 and so on and pin=0 = default = A. * Thus, each swizzle is ((pin-1) + (device#-4)) % 4 * - * The following code swizzles for exactly one bridge. The routine + * pci_swizzle_interrupt_pin() swizzles for exactly one bridge. The routine * common_swizzle below handles multiple bridges. But there are a - * couple boards that do strange things, so we define this here. + * couple boards that do strange things. */ -static inline u8 bridge_swizzle(u8 pin, u8 slot) -{ - return (((pin-1) + slot) % 4) + 1; -} - /* The following macro is used to implement the table-based irq mapping function for all single-bus Alphas. */ diff --git a/arch/alpha/kernel/sys_dp264.c b/arch/alpha/kernel/sys_dp264.c index ab44c164d9d..9c9d1fd4155 100644 --- a/arch/alpha/kernel/sys_dp264.c +++ b/arch/alpha/kernel/sys_dp264.c @@ -481,7 +481,7 @@ monet_swizzle(struct pci_dev *dev, u8 *pinp) slot = PCI_SLOT(dev->devfn); break; } - pin = bridge_swizzle(pin, PCI_SLOT(dev->devfn)) ; + pin = pci_swizzle_interrupt_pin(dev, pin); /* Move up the chain of bridges. */ dev = dev->bus->self; diff --git a/arch/alpha/kernel/sys_eiger.c b/arch/alpha/kernel/sys_eiger.c index 7ef3b6fb370..baf60f36cbd 100644 --- a/arch/alpha/kernel/sys_eiger.c +++ b/arch/alpha/kernel/sys_eiger.c @@ -204,7 +204,7 @@ eiger_swizzle(struct pci_dev *dev, u8 *pinp) break; } /* Must be a card-based bridge. */ - pin = bridge_swizzle(pin, PCI_SLOT(dev->devfn)); + pin = pci_swizzle_interrupt_pin(dev, pin); /* Move up the chain of bridges. */ dev = dev->bus->self; diff --git a/arch/alpha/kernel/sys_miata.c b/arch/alpha/kernel/sys_miata.c index 910b43cd63e..61ccd95579e 100644 --- a/arch/alpha/kernel/sys_miata.c +++ b/arch/alpha/kernel/sys_miata.c @@ -219,7 +219,7 @@ miata_swizzle(struct pci_dev *dev, u8 *pinp) slot = PCI_SLOT(dev->devfn) + 9; break; } - pin = bridge_swizzle(pin, PCI_SLOT(dev->devfn)); + pin = pci_swizzle_interrupt_pin(dev, pin); /* Move up the chain of bridges. */ dev = dev->bus->self; diff --git a/arch/alpha/kernel/sys_noritake.c b/arch/alpha/kernel/sys_noritake.c index eb2a1d63f48..538876b6244 100644 --- a/arch/alpha/kernel/sys_noritake.c +++ b/arch/alpha/kernel/sys_noritake.c @@ -257,7 +257,7 @@ noritake_swizzle(struct pci_dev *dev, u8 *pinp) slot = PCI_SLOT(dev->devfn) + 15; break; } - pin = bridge_swizzle(pin, PCI_SLOT(dev->devfn)) ; + pin = pci_swizzle_interrupt_pin(dev, pin); /* Move up the chain of bridges. */ dev = dev->bus->self; diff --git a/arch/alpha/kernel/sys_ruffian.c b/arch/alpha/kernel/sys_ruffian.c index 5b99cf3cd69..f15a329b601 100644 --- a/arch/alpha/kernel/sys_ruffian.c +++ b/arch/alpha/kernel/sys_ruffian.c @@ -160,7 +160,7 @@ ruffian_swizzle(struct pci_dev *dev, u8 *pinp) slot = PCI_SLOT(dev->devfn) + 10; break; } - pin = bridge_swizzle(pin, PCI_SLOT(dev->devfn)); + pin = pci_swizzle_interrupt_pin(dev, pin); /* Move up the chain of bridges. */ dev = dev->bus->self; diff --git a/arch/alpha/kernel/sys_sable.c b/arch/alpha/kernel/sys_sable.c index a4555f49763..d232e42be01 100644 --- a/arch/alpha/kernel/sys_sable.c +++ b/arch/alpha/kernel/sys_sable.c @@ -425,7 +425,7 @@ lynx_swizzle(struct pci_dev *dev, u8 *pinp) slot = PCI_SLOT(dev->devfn) + 11; break; } - pin = bridge_swizzle(pin, PCI_SLOT(dev->devfn)) ; + pin = pci_swizzle_interrupt_pin(dev, pin); /* Move up the chain of bridges. */ dev = dev->bus->self; -- 2.41.0