iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge branch 'mlxsw-fixes'

Browse Source 
Petr Machata says:

====================
mlxsw: Assorted fixes

This patchset contains several fixes for the mlxsw driver.

Patch #1 - Fixes buffer size in I2C mailbox buffer.
Patch #2 - Sets limitation of chunk size in I2C transaction.
Patch #3 - Fixes module label names based on MTCAP sensor counter
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2023-08-25 10:53:37 +01:00
commit 931abcdcad
2 changed files with 5 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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

@ -405,7 +405,8 @@ mlxsw_hwmon_module_temp_label_show(struct device *dev,
container_of(attr, struct mlxsw_hwmon_attr, dev_attr);
return sprintf(buf, "front panel %03u\n",
mlxsw_hwmon_attr->type_index);
mlxsw_hwmon_attr->type_index + 1 -
mlxsw_hwmon_attr->mlxsw_hwmon_dev->sensor_count);
}
static ssize_t

5
drivers/net/ethernet/mellanox/mlxsw/i2c.c
View File

@ -48,6 +48,7 @@
#define MLXSW_I2C_MBOX_SIZE_BITS 12
#define MLXSW_I2C_ADDR_BUF_SIZE 4
#define MLXSW_I2C_BLK_DEF 32
#define MLXSW_I2C_BLK_MAX 100
#define MLXSW_I2C_RETRY 5
#define MLXSW_I2C_TIMEOUT_MSECS 5000
#define MLXSW_I2C_MAX_DATA_SIZE 256
@ -444,7 +445,7 @@ mlxsw_i2c_cmd(struct device *dev, u16 opcode, u32 in_mod, size_t in_mbox_size,
} else {
/* No input mailbox is case of initialization query command. */
reg_size = MLXSW_I2C_MAX_DATA_SIZE;
num = reg_size / mlxsw_i2c->block_size;
num = DIV_ROUND_UP(reg_size, mlxsw_i2c->block_size);
if (mutex_lock_interruptible(&mlxsw_i2c->cmd.lock) < 0) {
dev_err(&client->dev, "Could not acquire lock");
@ -653,7 +654,7 @@ static int mlxsw_i2c_probe(struct i2c_client *client)
return -EOPNOTSUPP;
}
mlxsw_i2c->block_size = max_t(u16, MLXSW_I2C_BLK_DEF,
mlxsw_i2c->block_size = min_t(u16, MLXSW_I2C_BLK_MAX,
min_t(u16, quirks->max_read_len,
quirks->max_write_len));
} else {