diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-07 15:41:01 -0800 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-07 15:41:01 -0800 |
commit | b424e8d3b438e841cd1700f6433a100a5d611e4a (patch) | |
tree | 545638d0b925de4c7f740286760767cca86cb91e /arch/arm | |
parent | 7c7758f99d39d529a64d4f60d22129bbf2f16d74 (diff) | |
parent | f6dc1e5e3d4b523e1616b43beddb04e4fb1d376a (diff) | |
download | kernel_samsung_smdk4412-b424e8d3b438e841cd1700f6433a100a5d611e4a.zip kernel_samsung_smdk4412-b424e8d3b438e841cd1700f6433a100a5d611e4a.tar.gz kernel_samsung_smdk4412-b424e8d3b438e841cd1700f6433a100a5d611e4a.tar.bz2 |
Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6
* 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: (98 commits)
PCI PM: Put PM callbacks in the order of execution
PCI PM: Run default PM callbacks for all devices using new framework
PCI PM: Register power state of devices during initialization
PCI PM: Call pci_fixup_device from legacy routines
PCI PM: Rearrange code in pci-driver.c
PCI PM: Avoid touching devices behind bridges in unknown state
PCI PM: Move pci_has_legacy_pm_support
PCI PM: Power-manage devices without drivers during suspend-resume
PCI PM: Add suspend counterpart of pci_reenable_device
PCI PM: Fix poweroff and restore callbacks
PCI: Use msleep instead of cpu_relax during ASPM link retraining
PCI: PCIe portdrv: Add kerneldoc comments to remining core funtions
PCI: PCIe portdrv: Rearrange code so that related things are together
PCI: PCIe portdrv: Fix suspend and resume of PCI Express port services
PCI: PCIe portdrv: Add kerneldoc comments to some core functions
x86/PCI: Do not use interrupt links for devices using MSI-X
net: sfc: Use pci_clear_master() to disable bus mastering
PCI: Add pci_clear_master() as opposite of pci_set_master()
PCI hotplug: remove redundant test in cpq hotplug
PCI: pciehp: cleanup register and field definitions
...
Diffstat (limited to 'arch/arm')
-rw-r--r-- | arch/arm/include/asm/mach/pci.h | 2 | ||||
-rw-r--r-- | arch/arm/kernel/bios32.c | 27 | ||||
-rw-r--r-- | arch/arm/mach-integrator/pci.c | 11 |
3 files changed, 3 insertions, 37 deletions
diff --git a/arch/arm/include/asm/mach/pci.h b/arch/arm/include/asm/mach/pci.h index 32da1ae..a38bdc7 100644 --- a/arch/arm/include/asm/mach/pci.h +++ b/arch/arm/include/asm/mach/pci.h @@ -42,7 +42,7 @@ struct pci_sys_data { /* * This is the standard PCI-PCI bridge swizzling algorithm. */ -u8 pci_std_swizzle(struct pci_dev *dev, u8 *pinp); +#define pci_std_swizzle pci_common_swizzle /* * Call this with your hw_pci struct to initialise the PCI system. diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c index 17a59b6..8096819 100644 --- a/arch/arm/kernel/bios32.c +++ b/arch/arm/kernel/bios32.c @@ -480,33 +480,6 @@ EXPORT_SYMBOL(pcibios_bus_to_resource); #endif /* - * This is the standard PCI-PCI bridge swizzling algorithm: - * - * Dev: 0 1 2 3 - * A A B C D - * B B C D A - * C C D A B - * D D A B C - * ^^^^^^^^^^ irq pin on bridge - */ -u8 __devinit pci_std_swizzle(struct pci_dev *dev, u8 *pinp) -{ - int pin = *pinp - 1; - - while (dev->bus->self) { - pin = (pin + PCI_SLOT(dev->devfn)) & 3; - /* - * move up the chain of bridges, - * swizzling as we go. - */ - dev = dev->bus->self; - } - *pinp = pin + 1; - - return PCI_SLOT(dev->devfn); -} - -/* * Swizzle the device pin each time we cross a bridge. * This might update pin and returns the slot number. */ diff --git a/arch/arm/mach-integrator/pci.c b/arch/arm/mach-integrator/pci.c index af7d3ff..2fdb954 100644 --- a/arch/arm/mach-integrator/pci.c +++ b/arch/arm/mach-integrator/pci.c @@ -63,13 +63,7 @@ * * 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. */ -static inline int bridge_swizzle(int pin, unsigned int slot) -{ - return (pin + slot) & 3; -} /* * This routine handles multiple bridges. @@ -81,15 +75,14 @@ static u8 __init integrator_swizzle(struct pci_dev *dev, u8 *pinp) if (pin == 0) pin = 1; - pin -= 1; while (dev->bus->self) { - pin = bridge_swizzle(pin, PCI_SLOT(dev->devfn)); + pin = pci_swizzle_interrupt_pin(dev, pin); /* * move up the chain of bridges, swizzling as we go. */ dev = dev->bus->self; } - *pinp = pin + 1; + *pinp = pin; return PCI_SLOT(dev->devfn); } |