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mlxsw: reg: Extend MGPIR register with new field exposing the number of QSFP modules

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Extend MGPIR - Management General Peripheral Information Register
with new field "num_of_modules" exposing the number of modules
supported by specific system.

Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vadim Pasternak 2019-10-06 09:34:48 +03:00 committed by David S. Miller
parent 0eb8516b8e
commit 5cfa030a1c
3 changed files with 12 additions and 3 deletions
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2
drivers/net/ethernet/mellanox/mlxsw/core_hwmon.c
View File

@ -590,7 +590,7 @@ static int mlxsw_hwmon_gearbox_init(struct mlxsw_hwmon *mlxsw_hwmon)
if (err)
return err;
mlxsw_reg_mgpir_unpack(mgpir_pl, &gbox_num, NULL, NULL);
mlxsw_reg_mgpir_unpack(mgpir_pl, &gbox_num, NULL, NULL, NULL);
if (!gbox_num)
return 0;

3
drivers/net/ethernet/mellanox/mlxsw/core_thermal.c
View File

@ -913,7 +913,8 @@ mlxsw_thermal_gearboxes_init(struct device *dev, struct mlxsw_core *core,
if (err)
return err;
mlxsw_reg_mgpir_unpack(mgpir_pl, &thermal->tz_gearbox_num, NULL, NULL);
mlxsw_reg_mgpir_unpack(mgpir_pl, &thermal->tz_gearbox_num, NULL, NULL,
NULL);
if (!thermal->tz_gearbox_num)
return 0;

10
drivers/net/ethernet/mellanox/mlxsw/reg.h
View File

@ -9531,6 +9531,12 @@ MLXSW_ITEM32(reg, mgpir, devices_per_flash, 0x00, 16, 8);
*/
MLXSW_ITEM32(reg, mgpir, num_of_devices, 0x00, 0, 8);
/* num_of_modules
* Number of modules.
* Access: RO
*/
MLXSW_ITEM32(reg, mgpir, num_of_modules, 0x04, 0, 8);
static inline void mlxsw_reg_mgpir_pack(char *payload)
{
MLXSW_REG_ZERO(mgpir, payload);
@ -9539,7 +9545,7 @@ static inline void mlxsw_reg_mgpir_pack(char *payload)
static inline void
mlxsw_reg_mgpir_unpack(char *payload, u8 *num_of_devices,
enum mlxsw_reg_mgpir_device_type *device_type,
u8 *devices_per_flash)
u8 *devices_per_flash, u8 *num_of_modules)
{
if (num_of_devices)
*num_of_devices = mlxsw_reg_mgpir_num_of_devices_get(payload);
@ -9548,6 +9554,8 @@ mlxsw_reg_mgpir_unpack(char *payload, u8 *num_of_devices,
if (devices_per_flash)
*devices_per_flash =
mlxsw_reg_mgpir_devices_per_flash_get(payload);
if (num_of_modules)
*num_of_modules = mlxsw_reg_mgpir_num_of_modules_get(payload);
}
/* TNGCR - Tunneling NVE General Configuration Register