Messages in this thread | | | Date | Fri, 16 Oct 2015 10:58:09 +0200 | From | Borislav Petkov <> | Subject | Re: [PATCH] input: i8042: add quirk to implement i8042 detect for AMD |
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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@amd.com> > --- > 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?
> + if (!(acpi_gbl_FADT.boot_flags & ACPI_FADT_8042)) > + return -ENODEV; > + }
-- Regards/Gruss, Boris.
ECO tip #101: Trim your mails when you reply.
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