[PATCH] PCI: ixp4xx: Use PCI_CONF1_ADDRESS() macro

[Pali Rohár]

Simplify pci-ixp4xx.c driver code and use new PCI_CONF1_ADDRESS() macro for
accessing PCI config space.

Signed-off-by: Pali Rohár <pali@xxxxxxxxxx>
---
 drivers/pci/controller/pci-ixp4xx.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/pci/controller/pci-ixp4xx.c b/drivers/pci/controller/pci-ixp4xx.c
index 654ac4a82beb..c83b5ae0b017 100644
--- a/drivers/pci/controller/pci-ixp4xx.c
+++ b/drivers/pci/controller/pci-ixp4xx.c
@@ -188,12 +188,13 @@ static u32 ixp4xx_config_addr(u8 bus_num, u16 devfn, int where)
 	/* Root bus is always 0 in this hardware */
 	if (bus_num == 0) {
 		/* type 0 */
-		return BIT(32-PCI_SLOT(devfn)) | ((PCI_FUNC(devfn)) << 8) |
-			(where & ~3);
+		return (PCI_CONF1_ADDRESS(0, 0, PCI_FUNC(devfn), where) &
+			~PCI_CONF1_ENABLE) | BIT(32-PCI_SLOT(devfn));
 	} else {
 		/* type 1 */
-		return (bus_num << 16) | ((PCI_SLOT(devfn)) << 11) |
-			((PCI_FUNC(devfn)) << 8) | (where & ~3) | 1;
+		return (PCI_CONF1_ADDRESS(bus_num, PCI_SLOT(devfn),
+					  PCI_FUNC(devfn), where) &
+			~PCI_CONF1_ENABLE) | 1;
 	}
 }
 
-- 
2.20.1