netdev - [PATCH net-next 2/3] mlxsw: reg: Document possible MCIA status values

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Date:   Mon, 21 Jun 2021 10:50:40 +0300
From:   Ido Schimmel <idosch@...sch.org>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, kuba@...nel.org, jiri@...dia.com,
        vadimp@...dia.com, mlxsw@...dia.com,
        Ido Schimmel <idosch@...dia.com>
Subject: [PATCH net-next 2/3] mlxsw: reg: Document possible MCIA status values

From: Ido Schimmel <idosch@...dia.com>

Will be used to emit meaningful messages to user space via extack in a
subsequent patch.

Signed-off-by: Ido Schimmel <idosch@...dia.com>
Reviewed-by: Jiri Pirko <jiri@...dia.com>
---
 drivers/net/ethernet/mellanox/mlxsw/reg.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h
index cd60a0f91933..6fbda6ebd590 100644
--- 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
-- 
2.31.1