PCI: replace cfg space size (256/4096) by macros.

This is a cleanup that changes all PCI configuration space size
representations to the macros (PCI_CFG_SPACE_SIZE and
PCI_CFG_SPACE_EXP_SIZE). And the macros are also moved from
drivers/pci/probe.c to drivers/pci/pci.h.

Signed-off-by: Yu Zhao <yu.zhao@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

1 files changed, 2 insertions, 3 deletions

diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 7aa71636dd3c..f6754e87f046 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -14,8 +14,6 @@
 
 #define CARDBUS_LATENCY_TIMER   176     /* secondary latency timer */
 #define CARDBUS_RESERVE_BUSNR   3
-#define PCI_CFG_SPACE_SIZE      256
-#define PCI_CFG_SPACE_EXP_SIZE  4096
 
 /* Ugh.  Need to stop exporting this to modules. */
 LIST_HEAD(pci_root_buses);
@@ -887,8 +885,9 @@ static void set_pcie_port_type(struct pci_dev *pdev)
 int pci_cfg_space_size_ext(struct pci_dev *dev)
 {
         u32 status;
+        int pos = PCI_CFG_SPACE_SIZE;
 
-        if (pci_read_config_dword(dev, 256, &status) != PCIBIOS_SUCCESSFUL)
+        if (pci_read_config_dword(dev, pos, &status) != PCIBIOS_SUCCESSFUL)
                 goto fail;
         if (status == 0xffffffff)
                 goto fail;