r8169: add enum rtl_fw_opcode

Replace the firmware opcode defines with a proper enum. The BUG()
in rtl_fw_write_firmware() can be removed because the call to
rtl_fw_data_ok() ensures all opcodes are valid.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 53a4e3a..12e2c82 100644 (file)
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -2298,19 +2298,21 @@ static void __rtl_writephy_batch(struct rtl8169_private *tp,
 
 #define rtl_writephy_batch(tp, a) __rtl_writephy_batch(tp, a, ARRAY_SIZE(a))
 
-#define PHY_READ               0x00000000
-#define PHY_DATA_OR            0x10000000
-#define PHY_DATA_AND           0x20000000
-#define PHY_BJMPN              0x30000000
-#define PHY_MDIO_CHG           0x40000000
-#define PHY_CLEAR_READCOUNT    0x70000000
-#define PHY_WRITE              0x80000000
-#define PHY_READCOUNT_EQ_SKIP  0x90000000
-#define PHY_COMP_EQ_SKIPN      0xa0000000
-#define PHY_COMP_NEQ_SKIPN     0xb0000000
-#define PHY_WRITE_PREVIOUS     0xc0000000
-#define PHY_SKIPN              0xd0000000
-#define PHY_DELAY_MS           0xe0000000
+enum rtl_fw_opcode {
+       PHY_READ                = 0x0,
+       PHY_DATA_OR             = 0x1,
+       PHY_DATA_AND            = 0x2,
+       PHY_BJMPN               = 0x3,
+       PHY_MDIO_CHG            = 0x4,
+       PHY_CLEAR_READCOUNT     = 0x7,
+       PHY_WRITE               = 0x8,
+       PHY_READCOUNT_EQ_SKIP   = 0x9,
+       PHY_COMP_EQ_SKIPN       = 0xa,
+       PHY_COMP_NEQ_SKIPN      = 0xb,
+       PHY_WRITE_PREVIOUS      = 0xc,
+       PHY_SKIPN               = 0xd,
+       PHY_DELAY_MS            = 0xe,
+};
 
 struct fw_info {
        u32     magic;
@@ -2378,7 +2380,7 @@ static bool rtl_fw_data_ok(struct rtl8169_private *tp, struct net_device *dev,
                u32 action = le32_to_cpu(pa->code[index]);
                u32 regno = (action & 0x0fff0000) >> 16;
 
-               switch(action & 0xf0000000) {
+               switch (action >> 28) {
                case PHY_READ:
                case PHY_DATA_OR:
                case PHY_DATA_AND:
@@ -2453,11 +2455,12 @@ static void rtl_fw_write_firmware(struct rtl8169_private *tp,
                u32 action = le32_to_cpu(pa->code[index]);
                u32 data = action & 0x0000ffff;
                u32 regno = (action & 0x0fff0000) >> 16;
+               enum rtl_fw_opcode opcode = action >> 28;
 
                if (!action)
                        break;
 
-               switch(action & 0xf0000000) {
+               switch (opcode) {
                case PHY_READ:
                        predata = fw_read(tp, regno);
                        count++;
@@ -2517,9 +2520,6 @@ static void rtl_fw_write_firmware(struct rtl8169_private *tp,
                        mdelay(data);
                        index++;
                        break;
-
-               default:
-                       BUG();
                }
        }
 }