[PATCH 1/6] x86: Use PCI_HEADER_TYPE_* instead of literals

From: Ilpo Järvinen
Date: Fri Nov 24 2023 - 04:09:53 EST


Replace 0x7f and 0x80 literals with PCI_HEADER_TYPE_* defines.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>
---
arch/x86/kernel/aperture_64.c | 3 +--
arch/x86/kernel/early-quirks.c | 4 ++--
2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kernel/aperture_64.c b/arch/x86/kernel/aperture_64.c
index 4feaa670d578..89c0c8a3fc7e 100644
--- a/arch/x86/kernel/aperture_64.c
+++ b/arch/x86/kernel/aperture_64.c
@@ -259,10 +259,9 @@ static u32 __init search_agp_bridge(u32 *order, int *valid_agp)
order);
}

- /* No multi-function device? */
type = read_pci_config_byte(bus, slot, func,
PCI_HEADER_TYPE);
- if (!(type & 0x80))
+ if (!(type & PCI_HEADER_TYPE_MFD))
break;
}
}
diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c
index a6c1867fc7aa..59f4aefc6bc1 100644
--- a/arch/x86/kernel/early-quirks.c
+++ b/arch/x86/kernel/early-quirks.c
@@ -779,13 +779,13 @@ static int __init check_dev_quirk(int num, int slot, int func)
type = read_pci_config_byte(num, slot, func,
PCI_HEADER_TYPE);

- if ((type & 0x7f) == PCI_HEADER_TYPE_BRIDGE) {
+ if ((type & PCI_HEADER_TYPE_MASK) == PCI_HEADER_TYPE_BRIDGE) {
sec = read_pci_config_byte(num, slot, func, PCI_SECONDARY_BUS);
if (sec > num)
early_pci_scan_bus(sec);
}

- if (!(type & 0x80))
+ if (!(type & PCI_HEADER_TYPE_MFD))
return -1;

return 0;
--
2.30.2