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| author | Feng Tang <feng.tang@intel.com> | 2010-07-07 22:02:16 +0200 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2010-07-08 02:05:07 +0200 |
| commit | 5cdfa1c3bbabb809ef3134f741a63e13373a8cad (patch) | |
| tree | 1f118ddcbc40f9040aa6f5d1f6bbf6049b694c52 /drivers/input/serio/i8042-x86ia64io.h | |
| parent | Revert "Input: fixup X86_MRST selects" (diff) | |
| download | linux-5cdfa1c3bbabb809ef3134f741a63e13373a8cad.tar.xz linux-5cdfa1c3bbabb809ef3134f741a63e13373a8cad.zip | |
input: i8042 - add runtime check in x86's i8042_platform_init
Then it will first check x86_platforms's i8042 detection result,
then go on with normal probe.
Signed-off-by: Feng Tang <feng.tang@intel.com>
LKML-Reference: <4c34dd482753bb8f1@agluck-desktop.sc.intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Acked-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'drivers/input/serio/i8042-x86ia64io.h')
| -rw-r--r-- | drivers/input/serio/i8042-x86ia64io.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index 6168469ad1a6..81003c4739f4 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -7,6 +7,10 @@ * the Free Software Foundation. */ +#ifdef CONFIG_X86 +#include <asm/x86_init.h> +#endif + /* * Names. */ @@ -840,6 +844,12 @@ static int __init i8042_platform_init(void) { int retval; +#ifdef CONFIG_X86 + /* Just return if pre-detection shows no i8042 controller exist */ + if (!x86_platform.i8042_detect()) + return -ENODEV; +#endif + /* * On ix86 platforms touching the i8042 data register region can do really * bad things. Because of this the region is always reserved on ix86 boxes. |