linux-kernel - Re: [PATCH 1/7] media: davinci: vpif: remove unwanted header includes

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Message-ID: <CA+V-a8sCk2STGuEJnyp99yA218UzZFXp0aXAdQOVkZzZmG8msg@mail.gmail.com>
Date:	Fri, 17 May 2013 10:40:24 +0530
From:	Prabhakar Lad <prabhakar.csengg@...il.com>
To:	Laurent Pinchart <laurent.pinchart@...asonboard.com>
Cc:	DLOS <davinci-linux-open-source@...ux.davincidsp.com>,
	LMML <linux-media@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Mauro Carvalho Chehab <mchehab@...hat.com>,
	Hans Verkuil <hans.verkuil@...co.com>
Subject: Re: [PATCH 1/7] media: davinci: vpif: remove unwanted header includes

Hi Laurent,

Thanks for the review.

On Thu, May 16, 2013 at 6:32 PM, Laurent Pinchart
<laurent.pinchart@...asonboard.com> wrote:
> Hi Prabhakar,
>
> Thank you for the patch.
>
> On Thursday 16 May 2013 18:28:16 Lad Prabhakar wrote:
>> From: Lad, Prabhakar <prabhakar.csengg@...il.com>
>>
>> Signed-off-by: Lad, Prabhakar <prabhakar.csengg@...il.com>
>> ---
>>  drivers/media/platform/davinci/vpif.c |    7 -------
>>  1 files changed, 0 insertions(+), 7 deletions(-)
>>
>> diff --git a/drivers/media/platform/davinci/vpif.c
>> b/drivers/media/platform/davinci/vpif.c index ea82a8b..d354d50 100644
>> --- a/drivers/media/platform/davinci/vpif.c
>> +++ b/drivers/media/platform/davinci/vpif.c
>> @@ -17,18 +17,11 @@
>>   * GNU General Public License for more details.
>>   */
>>
>> -#include <linux/init.h>
>>  #include <linux/module.h>
>>  #include <linux/platform_device.h>
>> -#include <linux/spinlock.h>
>> -#include <linux/kernel.h>
>> -#include <linux/io.h>
>> -#include <linux/err.h>
>>  #include <linux/pm_runtime.h>
>>  #include <linux/v4l2-dv-timings.h>
>
> I think you should keep most of those includes. For instance this file uses
> spinlock functions, so linux/spinlock.h should be included. It might work fine
> now due to nested includes, but if someone reorganizes the kernel headers
> internal includes then the driver might break. As a general rule of good
> practice you should include headers for all the APIs you use.
>
OK, do you want me too drop the similar patches from this series ?

Regards,
--Prabhakar Lad
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