diff options
author | Bjorn Helgaas <bjorn.helgaas@hp.com> | 2008-12-09 18:12:12 -0500 |
---|---|---|
committer | Jesse Barnes <jbarnes@virtuousgeek.org> | 2009-01-07 14:12:51 -0500 |
commit | f14d766a1a438fdc69d04b876965d6b26b071f14 (patch) | |
tree | 065355677f2d249fb838b6eb495f379b647698a0 /arch/arm/mach-integrator | |
parent | 57c2cf71c12318b72ebaa5720d210476b6bac4d4 (diff) |
PCI: arm: use generic pci_swizzle_interrupt_pin()
Use the generic pci_swizzle_interrupt_pin() instead of arch-specific code.
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'arch/arm/mach-integrator')
-rw-r--r-- | arch/arm/mach-integrator/pci.c | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/arch/arm/mach-integrator/pci.c b/arch/arm/mach-integrator/pci.c index af7d3ff013ec..2fdb95433f0a 100644 --- a/arch/arm/mach-integrator/pci.c +++ b/arch/arm/mach-integrator/pci.c | |||
@@ -63,13 +63,7 @@ | |||
63 | * | 63 | * |
64 | * Where A = pin 1, B = pin 2 and so on and pin=0 = default = A. | 64 | * Where A = pin 1, B = pin 2 and so on and pin=0 = default = A. |
65 | * Thus, each swizzle is ((pin-1) + (device#-4)) % 4 | 65 | * Thus, each swizzle is ((pin-1) + (device#-4)) % 4 |
66 | * | ||
67 | * The following code swizzles for exactly one bridge. | ||
68 | */ | 66 | */ |
69 | static inline int bridge_swizzle(int pin, unsigned int slot) | ||
70 | { | ||
71 | return (pin + slot) & 3; | ||
72 | } | ||
73 | 67 | ||
74 | /* | 68 | /* |
75 | * This routine handles multiple bridges. | 69 | * This routine handles multiple bridges. |
@@ -81,15 +75,14 @@ static u8 __init integrator_swizzle(struct pci_dev *dev, u8 *pinp) | |||
81 | if (pin == 0) | 75 | if (pin == 0) |
82 | pin = 1; | 76 | pin = 1; |
83 | 77 | ||
84 | pin -= 1; | ||
85 | while (dev->bus->self) { | 78 | while (dev->bus->self) { |
86 | pin = bridge_swizzle(pin, PCI_SLOT(dev->devfn)); | 79 | pin = pci_swizzle_interrupt_pin(dev, pin); |
87 | /* | 80 | /* |
88 | * move up the chain of bridges, swizzling as we go. | 81 | * move up the chain of bridges, swizzling as we go. |
89 | */ | 82 | */ |
90 | dev = dev->bus->self; | 83 | dev = dev->bus->self; |
91 | } | 84 | } |
92 | *pinp = pin + 1; | 85 | *pinp = pin; |
93 | 86 | ||
94 | return PCI_SLOT(dev->devfn); | 87 | return PCI_SLOT(dev->devfn); |
95 | } | 88 | } |