[PATCH v2 0/5] patches to settle i8042 with Intel MID platforms

[feng . tang]

From: Feng Tang <feng.tang@xxxxxxxxx>

Hi All,

Some x86 platforms like intel MID platforms don't have i8042 controllers,
and i8042 driver's probe to some non-exist legacy IO ports may hang
the MID processor. 

Current solution for this is add dependency of SERIO_I8042 over
!X86_MRST, then if we build a x86 kernel image with X86_MRST=y,
it won't have i8042 driver support over common x86 platforms.

So we add a i8042 pre-detect hook into x86_platforms ops, so that
i8042 driver can use it to run-time judge whether to go on with
probe process.

Please review these patches.

Thanks,
Feng

Changelog:
	v2:
	   * only call x86_platforms.i8042_detect() for x86 platforms

----------------
Feng Tang (5):
  x86: add i8042 pre-detection hook to x86_platform_ops
  x86, mrst: add i8042_detect API for Moorestwon platform
  Revert "Input: do not force selecting i8042 on Moorestown"
  Revert "Input: fixup X86_MRST selects"
  input: i8042 - add runtime check in x86's i8042_platform_init

 arch/x86/include/asm/x86_init.h       |    2 ++
 arch/x86/kernel/mrst.c                |    7 +++++++
 arch/x86/kernel/x86_init.c            |    4 +++-
 drivers/input/keyboard/Kconfig        |    4 ++--
 drivers/input/mouse/Kconfig           |    2 +-
 drivers/input/serio/Kconfig           |    2 +-
 drivers/input/serio/i8042-x86ia64io.h |    6 ++++++
 7 files changed, 22 insertions(+), 5 deletions(-)

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