linux-kernel - Re: [PATCH] drivers/tty: Folding Android's keyreset driver in sysRQ

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Message-ID: <CAMP5XgdtYQxu2cp6LC0Asi5ZyGL-ARnh0pvKDi7uNeZertaHSQ@mail.gmail.com>
Date:	Tue, 16 Oct 2012 20:35:56 -0700
From:	Arve Hjønnevåg <arve@...roid.com>
To:	Mathieu Poirier <mathieu.poirier@...aro.org>
Cc:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	rdunlap@...otime.net, kernel-team@...roid.com,
	john.stultz@...aro.org, alan@...rguk.ukuu.org.uk
Subject: Re: [PATCH] drivers/tty: Folding Android's keyreset driver in sysRQ

On Fri, Oct 5, 2012 at 12:48 PM, Mathieu Poirier
<mathieu.poirier@...aro.org> wrote:
> On 12-10-05 12:16 PM, Dmitry Torokhov wrote:
>> On Fri, Oct 05, 2012 at 11:59:29AM -0600, mathieu.poirier@...aro.org wrote:
>>> From: "Mathieu J. Poirier" <mathieu.poirier@...aro.org>
>>>
>>> Andrew,
>>>
>>> After requesting a number of changes that, to my understanding
>>> have been implemented, I have not been able to get the attention
>>> of the subsystem maintainer on this patch.
>>>
>>> If there are still issues, I'm open to making changes but I want
>>> to make sure it doesn't get forgotten.  If there no objections,
>>> would you consider queuint it ?
>>
>> Mathieu,
>>
>> I have the same objection as before: using platform device solely for
>> the purpose of passing some data from board code to the driver. Surely
>> there are other ways of passing this bit of data... What about, for
>> example, making it an empty weak symbol so that board code could
>> override it with strong one?
>
> Thanks for the comments - I will implement a weak function in the
> keyreset driver.
>

A weak symbol does not work. A single kernel can support multiple
devices that have unique reset key combinations.

-- 
Arve Hjønnevåg
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