AcoSail/kernel_optimize_test
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Merge branch 'intx' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/misc-2.6

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* 'intx' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/misc-2.6:
  PCI MSI: always toggle legacy-INTx-enable bit upon MSI entry/exit
This commit is contained in:
Linus Torvalds 2006-12-07 15:04:20 -08:00
commit 7f3af60e5a
1 changed files with 4 additions and 8 deletions
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12
drivers/pci/msi.c
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@ -255,10 +255,8 @@ static void enable_msi_mode(struct pci_dev *dev, int pos, int type)
pci_write_config_word(dev, msi_control_reg(pos), control);
dev->msix_enabled = 1;
}
if (pci_find_capability(dev, PCI_CAP_ID_EXP)) {
/* PCI Express Endpoint device detected */
pci_intx(dev, 0); /* disable intx */
}
pci_intx(dev, 0); /* disable intx */
}
void disable_msi_mode(struct pci_dev *dev, int pos, int type)
@ -276,10 +274,8 @@ void disable_msi_mode(struct pci_dev *dev, int pos, int type)
pci_write_config_word(dev, msi_control_reg(pos), control);
dev->msix_enabled = 0;
}
if (pci_find_capability(dev, PCI_CAP_ID_EXP)) {
/* PCI Express Endpoint device detected */
pci_intx(dev, 1); /* enable intx */
}
pci_intx(dev, 1); /* enable intx */
}
static int msi_lookup_irq(struct pci_dev *dev, int type)