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pci: use pci_word_test_and_clear_mask() in pci_device_reset() 

use pci_clear_bit_word() in pci_device_reset() where appropriate.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Isaku Yamahata 2010-10-19 18:06:30 +09:00 committed by Michael S. Tsirkin
parent a5d1fd20cc
commit 99443c21b0
1 changed files with 2 additions and 3 deletions
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5
hw/pci.c
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@ -139,9 +139,8 @@ static void pci_device_reset(PCIDevice *dev)
dev->irq_state = 0;
pci_update_irq_status(dev);
/* Clear all writeable bits */
pci_set_word(dev->config + PCI_COMMAND,
pci_get_word(dev->config + PCI_COMMAND) &
~pci_get_word(dev->wmask + PCI_COMMAND));
pci_word_test_and_clear_mask(dev->config + PCI_COMMAND,
pci_get_word(dev->wmask + PCI_COMMAND));
dev->config[PCI_CACHE_LINE_SIZE] = 0x0;
dev->config[PCI_INTERRUPT_LINE] = 0x0;
for (r = 0; r < PCI_NUM_REGIONS; ++r) {