linux-kernel - Re: [patch 1/3] m68k/mac: Make mac_hid_mouse_emulate

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Date:	Fri, 20 Jul 2007 13:47:36 -0400
From:	"Dmitry Torokhov" <dmitry.torokhov@...il.com>
To:	"Geert Uytterhoeven" <geert@...ux-m68k.org>
Cc:	"Andrew Morton" <akpm@...ux-foundation.org>,
	linux-m68k@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-input@...ey.karlin.mff.cuni.cz, linuxppc-dev@...abs.org
Subject: Re: [patch 1/3] m68k/mac: Make mac_hid_mouse_emulate_buttons() declaration visible

Hi Geert,

On 7/20/07, Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
> From: Geert Uytterhoeven <geert@...ux-m68k.org>
>
> m68k/mac: Make mac_hid_mouse_emulate_buttons() declaration visible
>
> drivers/char/keyboard.c: In function 'kbd_keycode':
> drivers/char/keyboard.c:1142: error: implicit declaration of function 'mac_hid_mouse_emulate_buttons'
>
> The forward declaration of mac_hid_mouse_emulate_buttons() is not visible on
> m68k because it's hidden in the middle of a big #ifdef block.
>
> Move it to <linux/hid.h>, correct the type of the second parameter, and
> include <linux/hid.h> where needed.

linux/hid.h contains definitions needed for drivers speaking HID
protocol, I don't think we want to put quirks for legacy keyboard
driver there. I'd just move the #ifdef within drivers/char/keyboard.c
for now.

BTW, I don't think that mac button emulation will work well when x86
evdev-based driver gains popularity - it "grabs" the device and so no
event will flow through keyboard driver... We'd need a new solution...

-- 
Dmitry
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