From: Gary Thomas <gary@mlbassoc.com>
To: "Eric Bénard" <eric@eukrea.com>,
"Otavio Salvador" <otavio@ossystems.com.br>
Cc: "meta-freescale@yoctoproject.org" <meta-freescale@yoctoproject.org>
Subject: Re: [PATCH] kernel 3.14.28/gpiolib: Return GPIO logical value, not true value
Date: Wed, 20 May 2015 10:51:55 -0600 [thread overview]
Message-ID: <555CBBAB.9070906@mlbassoc.com> (raw)
In-Reply-To: <20150520184919.3e6b8d9b@e6520eb.localdomain>
On 2015-05-20 10:49, Eric Bénard wrote:
> Le Wed, 20 May 2015 13:34:24 -0300,
> Otavio Salvador <otavio@ossystems.com.br> a écrit :
>
>> On Wed, May 20, 2015 at 12:54 PM, Gary Thomas <gary@mlbassoc.com> wrote:
>>> Previous versions of the kernel returned the logical value of
>>> GPIO signals (i.e. 0 or 1). This patch restores this behavior.
>>>
>>> Signed-off-by: Gary Thomas <gary@mlbassoc.com>
>>
>> I am not sure this is a correct fix. I tried to find out the commit
>> which changed the behaviour without success.
>>
>> Fabio, is it possible for you to check how mainline is behaving? and
>> more important does it need any fix?
>>
> fixed mainline by :
> 25b35da gpio: generic: clamp retured value to [0,1]
> which is not in 3.4.28
True enough, but this patch won't apply to 3.14.28 as the
code is very different.
--
------------------------------------------------------------
Gary Thomas | Consulting for the
MLB Associates | Embedded world
------------------------------------------------------------
next prev parent reply other threads:[~2015-05-20 16:51 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-20 15:54 [PATCH] kernel 3.14.28/gpiolib: Return GPIO logical value, not true value Gary Thomas
2015-05-20 16:34 ` Otavio Salvador
2015-05-20 16:40 ` Gary Thomas
2015-05-20 16:42 ` Otavio Salvador
2015-05-20 16:49 ` Eric Bénard
2015-05-20 16:51 ` Gary Thomas [this message]
2015-05-20 16:52 ` Fabio Estevam
2015-05-20 16:57 ` Eric Bénard
2015-05-20 17:02 ` Fabio Estevam
2015-05-20 17:14 ` Gary Thomas
2015-05-20 17:26 ` Otavio Salvador
2015-05-20 17:34 ` Gary Thomas
2015-05-20 17:36 ` Otavio Salvador
2015-05-20 17:49 ` Fabio Estevam
2015-06-17 13:54 ` Otavio Salvador
2015-05-20 17:26 ` Otavio Salvador
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