netdev - Re: [patch net-next v3 09/11] mlxsw: core_linecards: Implement line card device flashing

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Date:   Thu, 21 Jul 2022 18:01:39 +0200
From:   Jiri Pirko <jiri@...nulli.us>
To:     Ido Schimmel <idosch@...dia.com>
Cc:     netdev@...r.kernel.org, davem@...emloft.net, kuba@...nel.org,
        petrm@...dia.com, pabeni@...hat.com, edumazet@...gle.com,
        mlxsw@...dia.com, saeedm@...dia.com, snelson@...sando.io
Subject: Re: [patch net-next v3 09/11] mlxsw: core_linecards: Implement line
 card device flashing

Thu, Jul 21, 2022 at 10:25:45AM CEST, idosch@...dia.com wrote:
>On Wed, Jul 20, 2022 at 05:12:32PM +0200, Jiri Pirko wrote:
>> +int mlxsw_linecard_flash_update(struct devlink *linecard_devlink,
>> +				struct mlxsw_linecard *linecard,
>> +				const struct firmware *firmware,
>> +				struct netlink_ext_ack *extack)
>> +{
>> +	struct mlxsw_core *mlxsw_core = linecard->linecards->mlxsw_core;
>> +	struct mlxsw_linecard_device_fw_info info = {
>> +		.mlxfw_dev = {
>> +			.ops = &mlxsw_linecard_device_dev_ops,
>> +			.psid = linecard->device.info.psid,
>> +			.psid_size = strlen(linecard->device.info.psid),
>> +			.devlink = linecard_devlink,
>> +		},
>> +		.mlxsw_core = mlxsw_core,
>> +		.linecard = linecard,
>> +	};
>> +	int err;
>> +
>> +	mutex_lock(&linecard->lock);
>> +	if (!linecard->active) {
>> +		NL_SET_ERR_MSG_MOD(extack, "Failed to flash non-active linecard");
>
>IMO it's not clear enough that the problem is the fact that the line
>card is inactive. Maybe:
>
>"Only active linecards can be flashed"

Fixed.

>
>Either way:
>
>Reviewed-by: Ido Schimmel <idosch@...dia.com>
>
>
>> +		err = -EINVAL;
>> +		goto unlock;
>> +	}
>> +	err = mlxsw_core_fw_flash(mlxsw_core, &info.mlxfw_dev,
>> +				  firmware, extack);
>> +unlock:
>> +	mutex_unlock(&linecard->lock);
>> +	return err;
>> +}