Re: [RFC PATCH 02/11] coresight: add CoreSight TMC driver

From: Linus Walleij
Date: Mon Jul 07 2014 - 06:53:19 EST


On Tue, Jun 17, 2014 at 1:12 AM, Mathieu Poirier
<mathieu.poirier@xxxxxxxxxx> wrote:
> On 3 June 2014 03:09, Linus Walleij <linus.walleij@xxxxxxxxxx> wrote:
>> On Fri, May 30, 2014 at 3:43 PM, <mathieu.poirier@xxxxxxxxxx> wrote:

>>> + int read_count;
>>
>> Can this really be negative?
>
> It is useful for debugging, as an example see "tmc_release()". If the
> count drops below '0' there is obviously a problem. Do you see a cost
> in keeping this as an 'int'? What do you advise here?

No big deal, keep it.

>> This struct overall could use some kerneldoc.
>
> Would writing a comment for each field qualify?

Like above the struct, see Documentation/kernel-doc-nano-HOWTO.txt

>>> + drvdata->base = devm_ioremap(dev, res->start, resource_size(res));
>>
>> Use devm_ioremap_resource() instead.
>
> I'm working on it.

Bet it's fininshed now ;-)

Yours,
Linus Walleij
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