From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Torokhov Subject: Re: problem: Re: [PATCH] input: fixup X86_MRST selects Date: Mon, 28 Jun 2010 13:18:14 -0700 Message-ID: <201006281318.16377.dmitry.torokhov@gmail.com> References: <20100609133443.38f1f957.sfr@canb.auug.org.au> <201006101204.45709.dmitry.torokhov@gmail.com> <4C28F210.7030909@oracle.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4C28F210.7030909@oracle.com> Sender: linux-next-owner@vger.kernel.org To: Randy Dunlap Cc: Stephen Rothwell , Jacob Pan , linux-next@vger.kernel.org, LKML , linux-input@vger.kernel.org, akpm , chuck.lever@oracle.com List-Id: linux-input@vger.kernel.org On Monday, June 28, 2010 12:03:44 pm Randy Dunlap wrote: > On 06/10/10 12:04, Dmitry Torokhov wrote: > > On Wednesday, June 09, 2010 03:42:08 pm Randy Dunlap wrote: > >> On 06/09/10 15:40, Dmitry Torokhov wrote: > >>> On Wednesday, June 09, 2010 03:29:21 pm Randy Dunlap wrote: > >>>> +++ linux-next-20100609/drivers/input/keyboard/Kconfig > >>>> @@ -70,9 +70,10 @@ config KEYBOARD_ATARI > >>>> > >>>> config KEYBOARD_ATKBD > >>>> > >>>> tristate "AT keyboard" if EMBEDDED || !X86 > >>>> > >>>> + depends on !X86 || (X86 && !X86_MRST) > >>> > >>> Should it be simply 'depends on !X86_MRST' and then we could kill > >>> '!X86_MRST' conditionals in selects? > >> > >> Duh, that sounds good, yes. > > > > Actually, I do not think this is a correct approach. While Moorestown > > does not have i8042 theoretically it is possible to add AT-style > > keyboard by other means (however unlikely it is) so we should not be > > disabling it. > > > > We should, however, disallow i8042 from being selected. Could you please > > tell me if the patch below works for you? > > Dmitry, > > This patch (in current mainline git) causes a problem when X86_MRST is > enabled. CONFIG_SERIO_I8042 is no longer enabled when X86_MRST is enabled, > and X86_MRST could be enabled when someone is trying to build a generic > kernel. Randy, Looking at arch/x86/kernel/mrst.c I am not sure if generic kernel will work well witbh X86_MRST set. However if we supposed to support Moorestown on generic images then, instead of playing with Kconfig, we need to adjust i8042_platform_init() to abort on Moorestown. Thanks. -- Dmitry