PCI: keystone: Cleanup macros defined in pci-keystone.c

No functional change. Cleanup macros defined in pci-keystone.c
by removing unused macros, grouping the macros and aligning
it properly.
Signed-off-by: NKishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: NLorenzo Pieralisi <lorenzo.pieralisi@arm.com>

drivers/pci/controller/dwc/pci-keystone.c

@@ -28,21 +28,14 @@
 
 #include "pcie-designware.h"
 
-#define DRIVER_NAME	"keystone-pcie"
-
 #define PCIE_VENDORID_MASK	0xffff
 #define PCIE_DEVICEID_SHIFT	16
 
-/* DEV_STAT_CTRL */
-#define PCIE_CAP_BASE		0x70
-
-/* Application register defines */
-#define LTSSM_EN_VAL		        BIT(0)
-#define DBI_CS2				BIT(5)
-#define OB_XLAT_EN_VAL		        BIT(1)
-
 /* Application registers */
 #define CMD_STATUS			0x004
+#define LTSSM_EN_VAL		        BIT(0)
+#define OB_XLAT_EN_VAL		        BIT(1)
+#define DBI_CS2				BIT(5)
 
 #define CFG_SETUP			0x008
 #define CFG_BUS(x)			(((x) & 0xff) << 16)
@@ -70,18 +63,16 @@
 #define IRQ_STATUS			0x184
 #define MSI_IRQ_OFFSET			4
 
-/* Error IRQ bits */
+#define ERR_IRQ_STATUS			0x1c4
+#define ERR_IRQ_ENABLE_SET		0x1c8
 #define ERR_AER				BIT(5)	/* ECRC error */
 #define ERR_AXI				BIT(4)	/* AXI tag lookup fatal error */
 #define ERR_CORR			BIT(3)	/* Correctable error */
 #define ERR_NONFATAL			BIT(2)	/* Non-fatal error */
 #define ERR_FATAL			BIT(1)	/* Fatal error */
-#define ERR_SYS		BIT(0)	/* System (fatal, non-fatal, or correctable) */
+#define ERR_SYS				BIT(0)	/* System error */
 #define ERR_IRQ_ALL			(ERR_AER | ERR_AXI | ERR_CORR | \
 					 ERR_NONFATAL | ERR_FATAL | ERR_SYS)
-#define ERR_IRQ_STATUS			0x1c4
-#define ERR_IRQ_ENABLE_SET		0x1c8
-#define ERR_IRQ_ENABLE_CLR		0x1cc
 
 #define MAX_MSI_HOST_IRQS		8
 /* PCIE controller device IDs */