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authorSimon Glass <sjg@chromium.org>2015-07-27 15:47:17 -0600
committerSimon Glass <sjg@chromium.org>2015-08-05 08:42:41 -0600
commit5f48d798eb151f50d79b93913b59190a679ee9b5 (patch)
tree691bb8c5bbd71ccf9cd1c16536a54ecafe96ccac /drivers/pci
parentf134ed7df1167c6b2f0a62e3765abedced3feacc (diff)
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pci: Add a constant for an invalid interrupt
Rather than using 0xff in the code, add a constant. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/pci.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index df50b48003..645ecd423f 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -269,7 +269,8 @@ int pci_hose_config_device(struct pci_controller *hose,
/* Disable interrupt line, if device says it wants to use interrupts */
pci_hose_read_config_byte(hose, dev, PCI_INTERRUPT_PIN, &pin);
if (pin != 0) {
- pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, 0xff);
+ pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE,
+ PCI_INTERRUPT_LINE_DISABLE);
}
pci_hose_read_config_dword(hose, dev, PCI_COMMAND, &old_command);
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