linux-kernel - Re: Early keyboard initialization?

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Date:	Sat, 7 Oct 2006 21:58:54 -0400
From:	Dmitry Torokhov <dtor@...ightbb.com>
To:	Samuel Thibault <samuel.thibault@...-lyon.org>
Cc:	linux-kernel@...r.kernel.org, Andrew Morton <akpm@...l.org>,
	Greg KH <gregkh@...e.de>
Subject: Re: Early keyboard initialization?

On Friday 06 October 2006 16:42, Samuel Thibault wrote:
> Hi,
> 
> Is there any reason for initializing the input layer and keyboards so
> late?  Since prevents from being able to perform alt-sysrqs early, and
> blind people who use speakup would like to get early control over the
> speech.  Here is the patch that they use.
>

It looks like the change will only work for non-USB input devices since
USB subsystem is initialized much later.

Greg, is there a reason why USB can't be initialized earlier?

Btw, I don't think we need to initialize gameport early and maybe not
entire input but split off input/keyboard in the same fashion that
input/serio and input/gameport are split off.

> Signed-off-by: Samuel Thibault <samuel.thibault@...-lyon.org>
> 
> --- /usr/src/linux-2.6.18/drivers/Makefile.orig	2006-10-06 11:34:15.000000000 -0400
> +++ drivers/Makefile	2006-10-06 11:34:15.000000000 -0400
> @@ -27,6 +27,9 @@
>  
>  obj-y				+= serial/
>  obj-$(CONFIG_PARPORT)		+= parport/
> +obj-$(CONFIG_SERIO)		+= input/serio/
> +obj-$(CONFIG_GAMEPORT)		+= input/gameport/
> +obj-$(CONFIG_INPUT)		+= input/
>  obj-y				+= base/ block/ misc/ mfd/ net/ media/
>  obj-$(CONFIG_NUBUS)		+= nubus/
>  obj-$(CONFIG_ATM)		+= atm/
> @@ -50,9 +53,6 @@
>  obj-$(CONFIG_USB)		+= usb/
>  obj-$(CONFIG_PCI)		+= usb/
>  obj-$(CONFIG_USB_GADGET)	+= usb/gadget/
> -obj-$(CONFIG_SERIO)		+= input/serio/
> -obj-$(CONFIG_GAMEPORT)		+= input/gameport/
> -obj-$(CONFIG_INPUT)		+= input/
>  obj-$(CONFIG_I2O)		+= message/
>  obj-$(CONFIG_RTC_LIB)		+= rtc/
>  obj-$(CONFIG_I2C)		+= i2c/
> -
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-- 
Dmitry
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