Re: [PATCH 07/24] thunderbolt: Convert switch to a device

From: Andy Shevchenko
Date: Thu May 18 2017 - 12:49:39 EST


On Thu, May 18, 2017 at 5:38 PM, Mika Westerberg
<mika.westerberg@xxxxxxxxxxxxxxx> wrote:
> Thunderbolt domain consists of switches that are connected to each
> other, forming a bus. This will convert each switch into a real Linux
> device structure and adds them to the domain. The advantage here is
> that we get all the goodies from the driver core, like reference
> counting and sysfs hierarchy for free.
>
> Also expose device identification information to the userspace via new
> sysfs attributes.
>
> In order to support internal connection manager (ICM) we separate switch
> configuration into its own function (tb_switch_configure()) which is
> only called by the existing native connection manager implementation
> used on Macs.
>

Couple of nits below.

> +
> + return sw;
> +err:

Perhaps
err_free_sw_ports:
?

> + kfree(sw->ports);
> + kfree(sw);
> + return NULL;
> +}

> + /* upload configuration */
> + ret = tb_sw_write(sw, 1 + (u32 *) &sw->config, TB_CFG_SWITCH, 1, 3);

Extra space before &.

> + if (ret)
> + return ret;

--
With Best Regards,
Andy Shevchenko