cmd_exec
int err = cmd_exec(dev, in, in_size, out, out_size, NULL, NULL, false);
int err = cmd_exec(dev, in, in_size, out, out_size, NULL, NULL, true);
ret = cmd_exec(dev, in, in_size, out, out_size,
if (!mlxsw_core->bus->cmd_exec)
err = mlxsw_core->bus->cmd_exec(mlxsw_core->bus_priv, opcode,
int (*cmd_exec)(void *bus_priv, u16 opcode, u8 opcode_mod,
.cmd_exec = mlxsw_i2c_cmd_exec,
.cmd_exec = mlxsw_pci_cmd_exec,