net: pcs: xpcs: Move native device ID macro to linux/pcs/pcs-xpcs.h

One of the next commits will alter the DW XPCS driver to support setting a
custom device ID for the particular MDIO-device detected on the platform.
The generic DW XPCS ID can be used as a custom ID as well in case if the
DW XPCS-device was erroneously synthesized with no or some undefined ID.
In addition to that having all supported DW XPCS device IDs defined in a
single place will improve the code maintainability and readability.

Note while at it rename the macros to being shorter and looking alike to
the already defined NXP XPCS ID macro.

Signed-off-by: Serge Semin <[email protected]>
Reviewed-by: Andrew Lunn <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

drivers/net/pcs/pcs-xpcs.c

@@ -1343,16 +1343,16 @@ static const struct xpcs_compat nxp_sja1110_xpcs_compat[DW_XPCS_INTERFACE_MAX] =
 
 static const struct xpcs_id xpcs_id_list[] = {
 	{
-		.id = SYNOPSYS_XPCS_ID,
-		.mask = SYNOPSYS_XPCS_MASK,
+		.id = DW_XPCS_ID,
+		.mask = DW_XPCS_ID_MASK,
 		.compat = synopsys_xpcs_compat,
 	}, {
 		.id = NXP_SJA1105_XPCS_ID,
-		.mask = SYNOPSYS_XPCS_MASK,
+		.mask = DW_XPCS_ID_MASK,
 		.compat = nxp_sja1105_xpcs_compat,
 	}, {
 		.id = NXP_SJA1110_XPCS_ID,
-		.mask = SYNOPSYS_XPCS_MASK,
+		.mask = DW_XPCS_ID_MASK,
 		.compat = nxp_sja1110_xpcs_compat,
 	},
 };

drivers/net/pcs/pcs-xpcs.h

@@ -6,9 +6,6 @@
  * Author: Jose Abreu <[email protected]>
  */
 
-#define SYNOPSYS_XPCS_ID		0x7996ced0
-#define SYNOPSYS_XPCS_MASK		0xffffffff
-
 /* Vendor regs access */
 #define DW_VENDOR			BIT(15)
 

include/linux/pcs/pcs-xpcs.h

@@ -12,6 +12,8 @@
 
 #define NXP_SJA1105_XPCS_ID		0x00000010
 #define NXP_SJA1110_XPCS_ID		0x00000020
+#define DW_XPCS_ID			0x7996ced0
+#define DW_XPCS_ID_MASK			0xffffffff
 
 /* AN mode */
 #define DW_AN_C73			1