Convert PCI_DEBUG parameter to a configuration parameter

Change-Id: Ie0272b52bbba56e3381cf33fded873aaa0709af6
Signed-off-by: Dmitriy Korovkin <dmitriy.korovkin@windriver.com>

arch/x86/Kconfig

@@ -143,6 +143,14 @@ config PCI
           This options enables support of PCI bus enumeration for device
           drivers.
 
+config PCI_DEBUG
+	bool
+	prompt "Enable PCI debugging"
+	depends on PCI
+	default n
+	help
+	  This options enables PCI debigging functions
+
 #FIXME This symbols is not being used.
 config  CUSTOM_RANDOM_GENERATOR
         bool "Custom random generator"

arch/x86/quark/system.c

@@ -123,7 +123,7 @@ void _InitHardware(void)
 
 	consoleInit(); /* NOP if not needed */
 
-#ifdef PCI_DEBUG
+#ifdef CONFIG_PCI_DEBUG
 	/* Rescan PCI and display the list of PCI attached devices */
 	struct pci_dev_info info = {
 		.bar = PCI_BAR_ANY,
@@ -139,5 +139,5 @@ void _InitHardware(void)
 		info.device_id = 0;
 		info.bar = PCI_BAR_ANY;
 	}
-#endif /* PCI_DEBUG */
+#endif /* CONFIG_PCI_DEBUG */
 }

drivers/pci/pci.c

@@ -427,7 +427,7 @@ int pci_bus_scan(struct pci_dev_info *dev_info)
 	return 0;
 }
 
-#ifdef PCI_DEBUG
+#ifdef CONFIG_PCI_DEBUG
 /******************************************************************************
  *
  * pci_show - Show PCI device
@@ -451,4 +451,4 @@ void pci_show(struct pci_dev_info *dev_info)
 		(uint32_t)(dev_info->addr + dev_info->size - 1),
 		dev_info->irq);
 }
-#endif /* PCI_DEBUG */
+#endif /* CONFIG_PCI_DEBUG */

include/drivers/pci/pci.h

@@ -38,8 +38,6 @@ Module declares routines of PCI bus initialization and query
 #ifndef _PCI_H_
 #define _PCI_H_
 
-#undef PCI_DEBUG
-
 #define BAR_SPACE_MEM 0
 #define BAR_SPACE_IO 1
 
@@ -64,8 +62,8 @@ struct pci_dev_info {
 extern void pci_bus_scan_init(void);
 extern int pci_bus_scan(struct pci_dev_info *dev_info);
 
-#ifdef PCI_DEBUG
+#ifdef CONFIG_PCI_DEBUG
 extern void pci_show(struct pci_dev_info *dev_info);
-#endif /* PCI_DEBUG */
+#endif
 
 #endif /* _PCI_H_ */