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PCI: drivers/pci/msi.c: move arch hooks to the top 

This patch fixes the following problem present with older gcc versions:

<--  snip  -->

...
  CC      drivers/pci/msi.o
/home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/pci/msi.c:692: warning: weak declaration of `arch_msi_check_device' after first use results in unspecified behavior
/home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/pci/msi.c:704: warning: weak declaration of `arch_setup_msi_irqs' after first use results in unspecified behavior
/home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/pci/msi.c:724: warning: weak declaration of `arch_teardown_msi_irqs' after first use results in unspecified behavior
...

<--  snip  -->

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Adrian Bunk 2007-12-11 23:19:41 +01:00 committed by Greg Kroah-Hartman
parent 6bae1d96c6
commit 6a9e7f2031
1 changed files with 45 additions and 46 deletions
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91
drivers/pci/msi.c
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@ -25,6 +25,51 @@
static int pci_msi_enable = 1;
/* Arch hooks */
int __attribute__ ((weak))
arch_msi_check_device(struct pci_dev *dev, int nvec, int type)
{
return 0;
}
int __attribute__ ((weak))
arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *entry)
{
return 0;
}
int __attribute__ ((weak))
arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
{
struct msi_desc *entry;
int ret;
list_for_each_entry(entry, &dev->msi_list, list) {
ret = arch_setup_msi_irq(dev, entry);
if (ret)
return ret;
}
return 0;
}
void __attribute__ ((weak)) arch_teardown_msi_irq(unsigned int irq)
{
return;
}
void __attribute__ ((weak))
arch_teardown_msi_irqs(struct pci_dev *dev)
{
struct msi_desc *entry;
list_for_each_entry(entry, &dev->msi_list, list) {
if (entry->irq != 0)
arch_teardown_msi_irq(entry->irq);
}
}
static void msi_set_enable(struct pci_dev *dev, int enable)
{
int pos;
@ -682,49 +727,3 @@ void pci_msi_init_pci_dev(struct pci_dev *dev)
{
INIT_LIST_HEAD(&dev->msi_list);
}
/* Arch hooks */
int __attribute__ ((weak))
arch_msi_check_device(struct pci_dev* dev, int nvec, int type)
{
return 0;
}
int __attribute__ ((weak))
arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *entry)
{
return 0;
}
int __attribute__ ((weak))
arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
{
struct msi_desc *entry;
int ret;
list_for_each_entry(entry, &dev->msi_list, list) {
ret = arch_setup_msi_irq(dev, entry);
if (ret)
return ret;
}
return 0;
}
void __attribute__ ((weak)) arch_teardown_msi_irq(unsigned int irq)
{
return;
}
void __attribute__ ((weak))
arch_teardown_msi_irqs(struct pci_dev *dev)
{
struct msi_desc *entry;
list_for_each_entry(entry, &dev->msi_list, list) {
if (entry->irq != 0)
arch_teardown_msi_irq(entry->irq);
}
}