Rather than using 0xff in the code, add a constant.
Signed-off-by: Simon Glass sjg@chromium.org ---
drivers/pci/pci.c | 3 ++- include/pci.h | 2 ++ 2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 157491c..9dd245c 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); diff --git a/include/pci.h b/include/pci.h index 94bca97..26cd80b 100644 --- a/include/pci.h +++ b/include/pci.h @@ -228,6 +228,8 @@ #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 */