Messages in this thread | | | Date | Wed, 11 Oct 2006 13:30:58 -0700 | From | Randy Dunlap <> | Subject | Re: Early keyboard initialization? |
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On Wed, 11 Oct 2006 13:08:32 -0700 Andrew Morton wrote:
> On Sat, 7 Oct 2006 21:58:54 -0400 > Dmitry Torokhov <dtor@insightbb.com> wrote: > > > 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'd be nice to get sysrq working as early as poss. > > > It looks like the change will only work for non-USB input devices since > > USB subsystem is initialized much later. > > USB is usually modular (isn't it?) > > > Greg, is there a reason why USB can't be initialized earlier? > > Greg's in hiding.
Many USB controllers depend on PCI init.
> > 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@ens-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/ > > Anyway, I'll duck this. Samuel, an appropriate way to make this happen > would be to talk Dmitry into a patch, let it cook in his tree for a couple > of months, then merge it into 2.6.20-early.
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