linux-kernel - Re: [PATCH] checkpatch: add --typedefsfile

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Message-ID: <c9cfaa3f-b82d-3de7-3860-57c0f05111c7@linaro.org>
Date:   Thu, 27 Apr 2017 17:41:10 +0200
From:   Jerome Forissier <jerome.forissier@...aro.org>
To:     Joe Perches <joe@...ches.com>, Andy Whitcroft <apw@...onical.com>,
        linux-kernel@...r.kernel.org
Cc:     Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] checkpatch: add --typedefsfile

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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