linux-kernel - Re: [PATCH 2/6] hpet: remove unused writeq/readq function definitions

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Date:   Mon, 27 Mar 2017 09:51:23 +0200
From:   Clemens Ladisch <clemens@...isch.de>
To:     Corentin Labbe <clabbe.montjoie@...il.com>
Cc:     arnd@...db.de, gregkh@...uxfoundation.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/6] hpet: remove unused writeq/readq function definitions

Corentin Labbe wrote:
> On Mon, Mar 27, 2017 at 07:49:34AM +0800, kbuild test robot wrote:
>>    drivers//char/hpet.c: In function 'hpet_timer_set_irq':
>>>> drivers//char/hpet.c:207:7: error: implicit declaration of function 'readq' [-Werror=implicit-function-declaration]
>
> Wrongly believed that x86 and x86_64 shared writeq/readq.
> Sorry, I will drop this patch
>
> Since the writeq/readq redefined is present in lots of other file, perhaps adding it to i386 could be done.

Just use <linux/io-64-nonatomic-lo-hi.h> instead.


Regards,
Clemens