x86: pci: Tidy up the generic x86 PCI driver

This driver should use the x86 PCI configuration functions. Also adjust its
compatible string to something generic (i.e. without a vendor name).

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

arch/x86/cpu/coreboot/pci.c

@@ -11,29 +11,7 @@
 
 #include <common.h>
 #include <dm.h>
-#include <errno.h>
 #include <pci.h>
-#include <asm/io.h>
-#include <asm/pci.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-static const struct dm_pci_ops pci_x86_ops = {
-	.read_config	= pci_x86_read_config,
-	.write_config	= pci_x86_write_config,
-};
-
-static const struct udevice_id pci_x86_ids[] = {
-	{ .compatible = "pci-x86" },
-	{ }
-};
-
-U_BOOT_DRIVER(pci_x86_drv) = {
-	.name		= "pci_x86",
-	.id		= UCLASS_PCI,
-	.of_match	= pci_x86_ids,
-	.ops		= &pci_x86_ops,
-};
 
 static const struct udevice_id generic_pch_ids[] = {
 	{ .compatible = "intel,pch" },

drivers/pci/pci_x86.c

@@ -7,18 +7,21 @@
 #include <common.h>
 #include <dm.h>
 #include <pci.h>
+#include <asm/pci.h>
 
-static const struct dm_pci_ops x86_pci_ops = {
+static const struct dm_pci_ops pci_x86_ops = {
+	.read_config	= pci_x86_read_config,
+	.write_config	= pci_x86_write_config,
 };
 
-static const struct udevice_id x86_pci_ids[] = {
-	{ .compatible = "x86,pci" },
+static const struct udevice_id pci_x86_ids[] = {
+	{ .compatible = "pci-x86" },
 	{ }
 };
 
 U_BOOT_DRIVER(pci_x86) = {
 	.name	= "pci_x86",
 	.id	= UCLASS_PCI,
-	.of_match = x86_pci_ids,
-	.ops	= &x86_pci_ops,
+	.of_match = pci_x86_ids,
+	.ops	= &pci_x86_ops,
 };