Re: [PATCH] Disable i8042 checks on Intel Apple Macs

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On Mon, 2018-07-23 at 15:03 +0200, Lukas Wunner wrote:
> [cc += Pekka]
> 
> On Mon, Jul 23, 2018 at 12:34:31PM +0000, Shevchenko, Andriy wrote:
> > Hi, Dmitry.
> > 
> > Is this patch still relevant?
> > 
> > http://lkml.iu.edu/hypermail/linux/kernel/1005.0/00949.html
> 
> If it is, it should be updated to simply check for "if
> (x86_apple_machine)"
> in lieu of the DMI check.
> 
> Also, Dmitry said here that it should go to i8042_platform_init() in
> drivers/input/serio/i8042-x86ia64io.h:
> http://lkml.iu.edu/hypermail/linux/kernel/1005.0/00959.html
> 
> That function already bails out if x86_platform.legacy.i8042 ==
> X86_LEGACY_I8042_PLATFORM_ABSENT.  The check could either be
> amended with "|| x86_apple_machine" or early_platform_quirks()
> in arch/x86/kernel/quirks.c could be amended to set
> x86_platform.legacy.i8042 on an x86_apple_machine.
> 

Hmm... I'm just wondering if you enable debug in
arch/x86/kernel/acpi/boot.c, does it print

  pr_debug("ACPI: i8042 controller is absent\n");

on Mac:s?

-- 
Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Intel Finland Oy
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