On Fri, Oct 16, 2015 at 04:58:09PM +0800, Borislav Petkov wrote:
> On Fri, Oct 16, 2015 at 09:27:00AM -0400, Vincent Wan wrote:
> > Detecting platform supports i8042 or not, AMD resorted to
> > BIOS's FADT i8042 flag.
> >
> > Signed-off-by: Vincent Wan <Vincent.Wan@xxxxxxx>
> > ---
> > drivers/input/serio/i8042-x86ia64io.h | 6 ++++++
> > 1 file changed, 6 insertions(+)
> >
> > diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
> > index c115565..bf3a605 100644
> > --- a/drivers/input/serio/i8042-x86ia64io.h
> > +++ b/drivers/input/serio/i8042-x86ia64io.h
> > @@ -9,6 +9,7 @@
> >
> > #ifdef CONFIG_X86
> > #include <asm/x86_init.h>
> > +#include <linux/acpi.h>
> > #endif
> >
> > /*
> > @@ -1047,6 +1048,11 @@ static int __init i8042_platform_init(void)
> > /* Just return if pre-detection shows no i8042 controller exist */
> > if (!x86_platform.i8042_detect())
> > return -ENODEV;
> > +
> > + if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD) {
>
> Why the vendor check if you're accessing a bit defined in the ACPI spec?
>
Yeah, I have the same concern with AMD vendor check. :)
Aaron, could you please help to check the impact at intel platfomrs if
we remove this check?
Thanks,
Rui
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