diff options
| author | Vadim Pasternak <vadimp@mellanox.com> | 2019-03-03 12:12:16 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-03-04 09:23:00 +0300 |
| commit | 6a986993e43f176e07c28df560b1cfc3e9b80505 (patch) | |
| tree | 8ac7d56d3ddd8c5aebc71ac8f1dc46257ed690d0 | |
| parent | 95b75cbd1bc57ec5898517a3fb2f7621f16b26cd (diff) | |
| download | linux-6a986993e43f176e07c28df560b1cfc3e9b80505.tar.xz | |
mlxsw: i2c: Extend initialization by querying resources data
Extend initialization flow by query requests for chip resources data in
order to obtain chip's specific capabilities, like the number of ports.
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>
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/i2c.c | 12 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/minimal.c | 11 |
2 files changed, 17 insertions, 6 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/i2c.c b/drivers/net/ethernet/mellanox/mlxsw/i2c.c index 4708acc778e0..06aea1999518 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/i2c.c +++ b/drivers/net/ethernet/mellanox/mlxsw/i2c.c @@ -14,6 +14,7 @@ #include "cmd.h" #include "core.h" #include "i2c.h" +#include "resources.h" #define MLXSW_I2C_CIR2_BASE 0x72000 #define MLXSW_I2C_CIR_STATUS_OFF 0x18 @@ -499,10 +500,19 @@ mlxsw_i2c_init(void *bus_priv, struct mlxsw_core *mlxsw_core, struct mlxsw_res *res) { struct mlxsw_i2c *mlxsw_i2c = bus_priv; + char *mbox; + int err; mlxsw_i2c->core = mlxsw_core; - return 0; + mbox = mlxsw_cmd_mbox_alloc(); + if (!mbox) + return -ENOMEM; + + err = mlxsw_core_resources_query(mlxsw_core, mbox, res); + + mlxsw_cmd_mbox_free(mbox); + return err; } static void mlxsw_i2c_fini(void *bus_priv) diff --git a/drivers/net/ethernet/mellanox/mlxsw/minimal.c b/drivers/net/ethernet/mellanox/mlxsw/minimal.c index 9108149640b2..68bee9572a1b 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/minimal.c +++ b/drivers/net/ethernet/mellanox/mlxsw/minimal.c @@ -333,11 +333,12 @@ static void mlxsw_m_fini(struct mlxsw_core *mlxsw_core) static const struct mlxsw_config_profile mlxsw_m_config_profile; static struct mlxsw_driver mlxsw_m_driver = { - .kind = mlxsw_m_driver_name, - .priv_size = sizeof(struct mlxsw_m), - .init = mlxsw_m_init, - .fini = mlxsw_m_fini, - .profile = &mlxsw_m_config_profile, + .kind = mlxsw_m_driver_name, + .priv_size = sizeof(struct mlxsw_m), + .init = mlxsw_m_init, + .fini = mlxsw_m_fini, + .profile = &mlxsw_m_config_profile, + .res_query_enabled = true, }; static const struct i2c_device_id mlxsw_m_i2c_id[] = { |