mlxsw: reg: Document possible MCIA status values

idosch · davem330 · commit cecefb3a6eeb · 2021-06-21T12:33:04.000-07:00
Will be used to emit meaningful messages to user space via extack in a
subsequent patch.

Signed-off-by: Ido Schimmel &lt;idosch@nvidia.com&gt;
Reviewed-by: Jiri Pirko &lt;jiri@nvidia.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h
@@ -9690,6 +9690,20 @@ MLXSW_ITEM32(reg, mcia, l, 0x00, 31, 1);
  */
 MLXSW_ITEM32(reg, mcia, module, 0x00, 16, 8);
 
+enum {
+	MLXSW_REG_MCIA_STATUS_GOOD = 0,
+	/* No response from module's EEPROM. */
+	MLXSW_REG_MCIA_STATUS_NO_EEPROM_MODULE = 1,
+	/* Module type not supported by the device. */
+	MLXSW_REG_MCIA_STATUS_MODULE_NOT_SUPPORTED = 2,
+	/* No module present indication. */
+	MLXSW_REG_MCIA_STATUS_MODULE_NOT_CONNECTED = 3,
+	/* Error occurred while trying to access module's EEPROM using I2C. */
+	MLXSW_REG_MCIA_STATUS_I2C_ERROR = 9,
+	/* Module is disabled. */
+	MLXSW_REG_MCIA_STATUS_MODULE_DISABLED = 16,
+};
+
 /* reg_mcia_status
  * Module status.
  * Access: RO
