drivers: net: aquantia: add PHY generation information

Uses the data field in phy_driver structure to identify the PHY generation.
This is useful for custom configuration as non-generic PHY registers are
not 100% compatible between generations.
Signed-off-by: NAlex Marginean <alexandru.marginean@nxp.com>
Acked-by: NJoe Hershberger <joe.hershberger@ni.com>

drivers/net/phy/aquantia.c

@@ -72,6 +72,12 @@
 #define VERSION_STRING_OFFSET 0x0200
 #define HEADER_OFFSET 0x300
 
+/* driver private data */
+#define AQUANTIA_NA		0
+#define AQUANTIA_GEN1		1
+#define AQUANTIA_GEN2		2
+#define AQUANTIA_GEN3		3
+
 #pragma pack(1)
 struct fw_header {
 	u8 padding[4];
@@ -467,6 +473,7 @@ struct phy_driver aqr105_driver = {
 	.config = &aquantia_config,
 	.startup = &aquantia_startup,
 	.shutdown = &gen10g_shutdown,
+	.data = AQUANTIA_GEN1,
 };
 
 struct phy_driver aqr106_driver = {
@@ -493,6 +500,7 @@ struct phy_driver aqr107_driver = {
 	.config = &aquantia_config,
 	.startup = &aquantia_startup,
 	.shutdown = &gen10g_shutdown,
+	.data = AQUANTIA_GEN2,
 };
 
 struct phy_driver aqr112_driver = {
@@ -506,6 +514,7 @@ struct phy_driver aqr112_driver = {
 	.config = &aquantia_config,
 	.startup = &aquantia_startup,
 	.shutdown = &gen10g_shutdown,
+	.data = AQUANTIA_GEN3,
 };
 
 struct phy_driver aqr405_driver = {
@@ -519,6 +528,7 @@ struct phy_driver aqr405_driver = {
 	.config = &aquantia_config,
 	.startup = &aquantia_startup,
 	.shutdown = &gen10g_shutdown,
+	.data = AQUANTIA_GEN1,
 };
 
 struct phy_driver aqr412_driver = {
@@ -532,6 +542,7 @@ struct phy_driver aqr412_driver = {
 	.config = &aquantia_config,
 	.startup = &aquantia_startup,
 	.shutdown = &gen10g_shutdown,
+	.data = AQUANTIA_GEN3,
 };
 
 int phy_aquantia_init(void)