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Subject: Re: [PATCH] checkpatch: add --typedefsfile
To: Joe Perches <joe@perches.com>, Andy Whitcroft <apw@canonical.com>,
        linux-kernel@vger.kernel.org
References: <ba1124d6dfa599bb0dd1d8919dd45dd09ce541a4.1492702192.git.jerome.forissier@linaro.org>
 <1492706988.30293.13.camel@perches.com>
 <573fcc18-c0c4-6fcb-e16b-af4bfe86e75e@linaro.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
From: Jerome Forissier <jerome.forissier@linaro.org>
Message-ID: <c9cfaa3f-b82d-3de7-3860-57c0f05111c7@linaro.org>
Date: Thu, 27 Apr 2017 17:41:10 +0200
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On 04/21/2017 08:31 AM, Jerome Forissier wrote:
> On 04/20/2017 06:49 PM, Joe Perches wrote:
>> On Thu, 2017-04-20 at 17:39 +0200, Jerome Forissier wrote:
>>> When using checkpatch on out-of-tree code, it may occur that some
>>> project-specific types are used, which will cause spurious warnings.
>>> Add the --typedefsfile option as a way to extend the known types and
>>> deal with this issue.
>>
>> I'm not opposed to the addition.
>> What out-of-tree project is this for?
> 
> OP-TEE [1]. We run a Travis job on all pull requests [2], and checkpatch
> is part of that. The typical false warning we get on a regular basis is
> with some pointers to functions returning TEE_Result [3], which is a
> typedef from the GlobalPlatform APIs. We consider it is acceptable to
> use GP types in the OP-TEE core implementation, that's why this patch
> would be helpful for us.
> 
> [1] https://github.com/OP-TEE/optee_os
> [2] https://travis-ci.org/OP-TEE/optee_os/builds
> [3] https://travis-ci.org/OP-TEE/optee_os/builds/193355335#L1733 

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