From: Bjorn Helgaas <bjorn.helgaas@hp.com>
Date: Wed, 17 Dec 2008 04:37:05 +0000 (-0700)
Subject: PCI: arm: use generic INTx swizzle from PCI core
X-Git-Tag: firefly_0821_release~16081^2~30
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=06df69932add8108f599ef26fcdf36c4f8125e50;p=firefly-linux-kernel-4.4.55.git

PCI: arm: use generic INTx swizzle from PCI core

Use the generic pci_common_swizzle() instead of arch-specific code.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---

diff --git a/arch/arm/include/asm/mach/pci.h b/arch/arm/include/asm/mach/pci.h
index 32da1ae17e06..a38bdc7afa34 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 5c5a0bc06709..809681900ec8 100644
--- a/arch/arm/kernel/bios32.c
+++ b/arch/arm/kernel/bios32.c
@@ -479,33 +479,6 @@ EXPORT_SYMBOL(pcibios_resource_to_bus);
 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;
-
-	while (dev->bus->self) {
-		pin = pci_swizzle_interrupt_pin(dev, pin);
-		/*
-		 * move up the chain of bridges,
-		 * swizzling as we go.
-		 */
-		dev = dev->bus->self;
-	}
-	*pinp = pin;
-
-	return PCI_SLOT(dev->devfn);
-}
-
 /*
  * Swizzle the device pin each time we cross a bridge.
  * This might update pin and returns the slot number.