Messages in this thread | | | Date | Wed, 30 Apr 2008 00:55:29 +0200 (CEST) | From | Thomas Gleixner <> | Subject | Re: [PATCH] x86: restrict keyboard io ports reservation to make ipmi driver work |
| |
On Tue, 29 Apr 2008, Yinghai Lu wrote:
> On Tue, Apr 29, 2008 at 2:46 PM, Thomas Gleixner <tglx@linutronix.de> wrote: > > From: Helge Wagner <Helge.Wagner@gefanuc.com> > > > > On some of our (single board computer) boards (x86) we are using an > > IPMI controller that uses I/O ports 0x62 and 0x66 for a KCS (keyboard > > controller style) IPMI system interface. > > > > Trying to load the openipmi driver fails, because the ports > > (0x62/0x66) are reserved for keyboard. keyboard reserves the full > > range 0x60-0x6F while it doesn't need to. > > > > Reserve only ports 0x60 and 0x64 for the legacy PS/2 i8042 keyboad > > controller instead of 0x60-0x6F to allow the openipmi driver to work. > > > > Signed-off-by: Thomas Gleixner <tglx@linutronix.de> > > --- > > arch/x86/kernel/setup_32.c | 7 ++++++- > > 1 file changed, 6 insertions(+), 1 deletion(-) > > > > Index: linux-2.6/arch/x86/kernel/setup_32.c > > =================================================================== > > --- linux-2.6.orig/arch/x86/kernel/setup_32.c > > +++ linux-2.6/arch/x86/kernel/setup_32.c > > @@ -127,7 +127,12 @@ static struct resource standard_io_resou > > }, { > > .name = "keyboard", > > .start = 0x0060, > > - .end = 0x006f, > > + .end = 0x0060, > > + .flags = IORESOURCE_BUSY | IORESOURCE_IO > > +}, { > > + .name = "keyboard", > > + .start = 0x0064, > > + .end = 0x0064, > > .flags = IORESOURCE_BUSY | IORESOURCE_IO > > }, { > > .name = "dma page reg", > > -- > > 64 bit need to be fixed too... > { .name = "keyboard", .start = 0x60, .end = 0x6f, > .flags = IORESOURCE_BUSY | IORESOURCE_IO },
Doh, yes.
Thanks, tglx
| |