Commit 5f48d798 authored by Simon Glass's avatar Simon Glass
Browse files

pci: Add a constant for an invalid interrupt



Rather than using 0xff in the code, add a constant.
Signed-off-by: default avatarSimon Glass <sjg@chromium.org>
Reviewed-by: default avatarBin Meng <bmeng.cn@gmail.com>
parent f134ed7d
......@@ -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);
......
......@@ -231,6 +231,8 @@
#define PCI_MIN_GNT 0x3e /* 8 bits */
#define PCI_MAX_LAT 0x3f /* 8 bits */
#define PCI_INTERRUPT_LINE_DISABLE 0xff
/* Header type 1 (PCI-to-PCI bridges) */
#define PCI_PRIMARY_BUS 0x18 /* Primary bus number */
#define PCI_SECONDARY_BUS 0x19 /* Secondary bus number */
......
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