staging: mt7621-pci: reorder preprocessor definitions

Reorder a bit register definitions and some values into
logical groups adding some comments for each group. Also
unify all of register to use 16 bit in definitions instead
of having some with 16 bits and some with 8 bits.
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/mt7621-pci/pci-mt7621.c

@@ -39,24 +39,27 @@
 
 /* sysctl */
 #define MT7621_CHIP_REV_ID		0x0c
+#define RALINK_CLKCFG1			0x30
+#define RALINK_RSTCTRL			0x34
 #define MT7621_GPIO_MODE		0x60
 #define CHIP_REV_MT7621_E2		0x0101
 
-/* pcie */
-#define RALINK_PCI_CONFIG_ADDR		0x20
-#define RALINK_PCI_CONFIG_DATA		0x24
-#define RALINK_PCI_MEMBASE		0x28
-#define RALINK_PCI_IOBASE		0x2C
-
 /* RALINK_RSTCTRL bits */
 #define RALINK_PCIE_RST			BIT(23)
 
+/* rt_sysc_membase relative registers */
+#define RALINK_PCIE_CLK_GEN		0x7c
+#define RALINK_PCIE_CLK_GEN1		0x80
+
+/* Host-PCI bridge registers */
 #define RALINK_PCI_PCICFG_ADDR		0x0000
 #define RALINK_PCI_PCIMSK_ADDR		0x000C
+#define RALINK_PCI_CONFIG_ADDR		0x0020
+#define RALINK_PCI_CONFIG_DATA		0x0024
+#define RALINK_PCI_MEMBASE		0x0028
+#define RALINK_PCI_IOBASE		0x002C
 
-#define MT7621_PCIE_OFFSET		0x2000
-#define MT7621_NEXT_PORT		0x1000
-
+/* PCICFG virtual bridges */
 #define MT7621_BR0_MASK			GENMASK(19, 16)
 #define MT7621_BR1_MASK			GENMASK(23, 20)
 #define MT7621_BR2_MASK			GENMASK(27, 24)
@@ -65,6 +68,10 @@
 #define MT7621_BR1_SHIFT		20
 #define MT7621_BR2_SHIFT		24
 
+/* PCIe RC control registers */
+#define MT7621_PCIE_OFFSET		0x2000
+#define MT7621_NEXT_PORT		0x1000
+
 #define RALINK_PCI_BAR0SETUP_ADDR	0x0010
 #define RALINK_PCI_IMBASEBAR0_ADDR	0x0018
 #define RALINK_PCI_ID			0x0030
@@ -72,13 +79,8 @@
 #define RALINK_PCI_SUBID		0x0038
 #define RALINK_PCI_STATUS		0x0050
 
+/* Some definition values */
 #define RALINK_PCI_IO_MAP_BASE		0x1e160000
-
-#define RALINK_CLKCFG1			0x30
-#define RALINK_RSTCTRL			0x34
-#define RALINK_PCIE_CLK_GEN		0x7c
-#define RALINK_PCIE_CLK_GEN1		0x80
-
 #define MEMORY_BASE			0x0
 
 /* pcie phy related macros */