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Subject[PATCH] [x86] pci: Get rid of magic number in AMD bus discovery
The number 4 is hardcoded in a couple of loops.
Use the already-defined PCI_ROOT_NR macro instead.

Signed-off-by: dann frazier <dannf@hp.com>
---
arch/x86/pci/amd_bus.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/x86/pci/amd_bus.c b/arch/x86/pci/amd_bus.c
index 3ffa10d..feb3e09 100644
--- a/arch/x86/pci/amd_bus.c
+++ b/arch/x86/pci/amd_bus.c
@@ -332,7 +332,7 @@ static int __init early_fill_mp_bus_info(void)
return 0;

pci_root_num = 0;
- for (i = 0; i < 4; i++) {
+ for (i = 0; i < PCI_ROOT_NR; i++) {
int min_bus;
int max_bus;
reg = read_pci_config(bus, slot, 1, 0xe0 + (i << 2));
@@ -368,7 +368,7 @@ static int __init early_fill_mp_bus_info(void)
memset(range, 0, sizeof(range));
range[0].end = 0xffff;
/* io port resource */
- for (i = 0; i < 4; i++) {
+ for (i = 0; i < PCI_ROOT_NR; i++) {
reg = read_pci_config(bus, slot, 1, 0xc0 + (i << 3));
if (!(reg & 3))
continue;
--
1.6.3.3




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