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PCI: Provide a default pcibios_update_irq()

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Most architectures implement this in exactly the same way. Instead of
having each architecture duplicate this function, provide a single
implementation in the core and make it a weak symbol so that it can be
overridden on architectures where it is required.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Thierry Reding 2012-09-17 13:22:54 +02:00 committed by Bjorn Helgaas
parent 3ddbebf878
commit 8885b7b637
14 changed files with 5 additions and 89 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
arch/alpha/kernel/pci.c
View File

@ -256,12 +256,6 @@ pcibios_fixup_bus(struct pci_bus *bus)
}
}
void
pcibios_update_irq(struct pci_dev *dev, int irq)
{
pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
}
int
pcibios_enable_device(struct pci_dev *dev, int mask)
{

9
arch/arm/kernel/bios32.c
View File

@ -270,15 +270,6 @@ static void __devinit pci_fixup_it8152(struct pci_dev *dev)
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ITE, PCI_DEVICE_ID_ITE_8152, pci_fixup_it8152);
void pcibios_update_irq(struct pci_dev *dev, int irq)
{
if (debug_pci)
printk("PCI: Assigning IRQ %02d to %s\n", irq, pci_name(dev));
pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
}
/*
* If the bus contains any of these devices, then we must not turn on
* parity checking of any kind. Currently this is CyberPro 20x0 only.

8
arch/ia64/pci/pci.c
View File

@ -461,14 +461,6 @@ void pcibios_set_master (struct pci_dev *dev)
/* No special bus mastering setup handling */
}
void
pcibios_update_irq (struct pci_dev *dev, int irq)
{
pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
/* ??? FIXME -- record old value for shutdown. */
}
int
pcibios_enable_device (struct pci_dev *dev, int mask)
{

5
arch/m68k/kernel/pcibios.c
View File

@ -87,11 +87,6 @@ int pcibios_enable_device(struct pci_dev *dev, int mask)
return 0;
}
void pcibios_update_irq(struct pci_dev *dev, int irq)
{
pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
}
void __devinit pcibios_fixup_bus(struct pci_bus *bus)
{
struct pci_dev *dev;

6
arch/mips/pci/pci.c
View File

@ -313,12 +313,6 @@ void __devinit pcibios_fixup_bus(struct pci_bus *bus)
}
}
void
pcibios_update_irq(struct pci_dev *dev, int irq)
{
pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
}
#ifdef CONFIG_HOTPLUG
EXPORT_SYMBOL(PCIBIOS_MIN_IO);
EXPORT_SYMBOL(PCIBIOS_MIN_MEM);

5
arch/sh/drivers/pci/pci.c
View File

@ -192,11 +192,6 @@ int pcibios_enable_device(struct pci_dev *dev, int mask)
return pci_enable_resources(dev, mask);
}
void pcibios_update_irq(struct pci_dev *dev, int irq)
{
pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
}
static void __init
pcibios_bus_report_status_early(struct pci_channel *hose,
int top_bus, int current_bus,

9
arch/sparc/kernel/leon_pci.c
View File

@ -102,15 +102,6 @@ int pcibios_enable_device(struct pci_dev *dev, int mask)
return pci_enable_resources(dev, mask);
}
void pcibios_update_irq(struct pci_dev *dev, int irq)
{
#ifdef CONFIG_PCI_DEBUG
printk(KERN_DEBUG "LEONPCI: Assigning IRQ %02d to %s\n", irq,
pci_name(dev));
#endif
pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
}
/* in/out routines taken from pcic.c
*
* This probably belongs here rather than ioport.c because

4
arch/sparc/kernel/pci.c
View File

@ -622,10 +622,6 @@ void __devinit pcibios_fixup_bus(struct pci_bus *pbus)
{
}
void pcibios_update_irq(struct pci_dev *pdev, int irq)
{
}
resource_size_t pcibios_align_resource(void *data, const struct resource *res,
resource_size_t size, resource_size_t align)
{

8
arch/tile/kernel/pci.c
View File

@ -403,14 +403,6 @@ void pcibios_set_master(struct pci_dev *dev)
/* No special bus mastering setup handling. */
}
/*
* This is called from the generic Linux layer.
*/
void pcibios_update_irq(struct pci_dev *dev, int irq)
{
pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
}
/*
* Enable memory and/or address decoding, as appropriate, for the
* device described by the 'dev' struct.

8
arch/tile/kernel/pci_gx.c
View File

@ -1033,14 +1033,6 @@ char __devinit *pcibios_setup(char *str)
return str;
}
/*
* This is called from the generic Linux layer.
*/
void pcibios_update_irq(struct pci_dev *dev, int irq)
{
pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
}
/*
* Enable memory address decoding, as appropriate, for the
* device described by the 'dev' struct. The I/O decoding

8
arch/unicore32/kernel/pci.c
View File

@ -154,14 +154,6 @@ void __init puv3_pci_adjust_zones(unsigned long *zone_size,
zhole_size[0] = 0;
}
void pcibios_update_irq(struct pci_dev *dev, int irq)
{
if (debug_pci)
printk(KERN_DEBUG "PCI: Assigning IRQ %02d to %s\n",
irq, pci_name(dev));
pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
}
/*
* If the bus contains any of these devices, then we must not turn on
* parity checking of any kind.

5
arch/x86/pci/visws.c
View File

@ -62,11 +62,6 @@ out:
return irq;
}
void pcibios_update_irq(struct pci_dev *dev, int irq)
{
pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
}
int __init pci_visws_init(void)
{
pcibios_enable_irq = &pci_visws_enable_irq;

8
arch/xtensa/kernel/pci.c
View File

@ -210,14 +210,6 @@ void pcibios_set_master(struct pci_dev *dev)
/* No special bus mastering setup handling */
}
/* the next one is stolen from the alpha port... */
void
pcibios_update_irq(struct pci_dev *dev, int irq)
{
pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
}
int pcibios_enable_device(struct pci_dev *dev, int mask)
{
u16 cmd, old_cmd;

5
drivers/pci/setup-irq.c
View File

@ -17,6 +17,11 @@
#include <linux/ioport.h>
#include <linux/cache.h>
void __weak pcibios_update_irq(struct pci_dev *dev, int irq)
{
dev_dbg(&dev->dev, "assigning IRQ %02d\n", irq);
pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
}
static void
pdev_fixup_irq(struct pci_dev *dev,