Hi Dmitry, On Fri, Dec 09, 2016 at 12:57:37PM -0800, Dmitry Torokhov wrote: > Hi, > > Historically we did not trust PNP data regarding keyboard controllers on > X86, but more and more boards get upset with us if they try to tell us that > there is no keyboard controller and we still go and try to poke at where we > think it might be. To work around this issue let's have a bit more faith in > BIOS data, and if [lack] of PNP devices for mouse and keyboard matches whet > firmware (basically ACPI FADT) tells us, let's abort i8042 probe. > > We add a new flag (enum) to x86_platform.legacy structure so we can > distinguish between cases where platform/subarch never has 8042 (such as > MID platform) and cases where firmware says that it is not there, so that > i8042 driver can either abort immediately or go and check for presence of > PNP devices. We also remove x86_platform.i8042_detect() as it is no longer > used (platforms can set value of x86_platform.legacy.i8042 as needed in > quirks). > > If you are OK with arch/x86 changes please apply together with the input > part. Looks very good, better than my initial idea of adding more code into i8042_detect. Acked-by: Marcos Paulo de Souza <marcos.souza.org@xxxxxxxxx> > > Thanks, > Dmitry > > Dmitry Torokhov (4): > x86/init: add i8042 state to the platform data > Input: i8042 - trust firmware a bit more when probing on X86 > x86/init: remove i8042_detect() form platform ops > x86/init: fix a couple typos in arch/x86/include/asm/x86_init.h > > arch/x86/include/asm/x86_init.h | 26 +++++++++++++++++++++----- > arch/x86/kernel/acpi/boot.c | 7 +++++++ > arch/x86/kernel/platform-quirks.c | 5 +++++ > arch/x86/kernel/x86_init.c | 2 -- > arch/x86/platform/ce4100/ce4100.c | 6 ------ > arch/x86/platform/intel-mid/intel-mid.c | 7 ------- > drivers/input/serio/i8042-x86ia64io.h | 10 +++++++--- > 7 files changed, 40 insertions(+), 23 deletions(-) > > -- > 2.8.0.rc3.226.g39d4020 > -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
