RE: [PATCH v6 3/3] input: samsung-keypad - Add samsung keypad driver

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Joonyoung Shim wrote:
> 
> Hi, Dmitry.
> 
> On 7/9/2010 4:39 PM, Joonyoung Shim wrote:
> > On 7/9/2010 4:07 PM, Kukjin Kim wrote:
> >> Joonyoung Shim wrote:
> >>> On 7/7/2010 8:52 AM, Kukjin Kim wrote:
> >>>> Joonyoung Shim wrote:
> >>>>> Hi, Naveen.
> >>>>>
> >>>>> On 6/28/2010 8:33 PM, Joonyoung Shim wrote:
> >>>>>> This patch adds support for keypad driver running on Samsung cpus. This
> >>>>>> driver is tested on GONI and Aquila board using S5PC110 cpu.
> >>>>>>
> >>>>>> Signed-off-by: Joonyoung Shim <jy0922.shim@xxxxxxxxxxx>
> >>>>>> Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
> >>>>>> ---
> >>>>>>  drivers/input/keyboard/Kconfig          |    9 +
> >>>>>>  drivers/input/keyboard/Makefile         |    1 +
> >>>>>>  drivers/input/keyboard/samsung-keypad.c |  491
> >>>>> +++++++++++++++++++++++++++++++
> >>>>>>  3 files changed, 501 insertions(+), 0 deletions(-)
> >>>>>>  create mode 100644 drivers/input/keyboard/samsung-keypad.c
> >>>>>>
> >>>>> Could you please test this v6 keypad driver on your various targets?
> >>>> Hi,
> >>>>
> >>>> I received the test result from Naveen.
> >>>> And now he is debugging about that.
> >>>>
> >>>> ..his e-mail client has some problem..so I replied...
> >>>>
> >>>> ---
> >>>> From: Naveen Ch
> >>>>
> >>>> I've tested with v6 patches and they are working fine on SMDK6410,
> SMDKC100
> >>> and SMDKV210, except for some header inclusion (linux/sched.h) in
> samsung-
> >>> keypad.c.
> >>>> The build breaking error is like following:
> >>>> (make s5pc100_defconfig and select input->keypad->samsung keypad)
> >>>>
> >>>> drivers/input/keyboard/samsung-keypad.c: In function 'samsung_keypad_irq':
> >>>> drivers/input/keyboard/samsung-keypad.c:170: error:
> 'TASK_UNINTERRUPTIBLE'
> >>> undeclared (first use in this function)
> >>>> drivers/input/keyboard/samsung-keypad.c:170: error: (Each undeclared
> identifier
> >>> is reported only once
> >>>> drivers/input/keyboard/samsung-keypad.c:170: error: for each function it
> appears
> >>> in.)
> >>>> drivers/input/keyboard/samsung-keypad.c:170: error: implicit declaration of
> >>> function 'schedule_timeout'
> >>>> drivers/input/keyboard/samsung-keypad.c: In function
> 'samsung_keypad_stop':
> >>>> drivers/input/keyboard/samsung-keypad.c:202: error: 'TASK_NORMAL'
> >>> undeclared (first use in this function)
> >>>> make[3]: *** [drivers/input/keyboard/samsung-keypad.o] Error 1
> >>>>
> >>> This error occurs on s5pc100_defconfig having disabled CONFIG_PREEMPT
> >>> option. I think sched.h should be included to remove like this
> >>> dependency in driver, are there other ways?
> >> I'm not sure root cause is that. But as you said, I think need inclusion it for
> prevent the problem.
> >> Actually didn't happen it before..so maybe the some core functions have
> moved between rc-3 and earlier versions...
> >
> > The sched.h is included by below path.
> >
> > interrupt.h -> hardirq.h -> smp_lock.h -> sched.h
> >
> > The smp_lock.h in hardirq.h is included if CONFIG_PREEMPT is defined.
> > The samsung keypad driver haven't needed including sched.h before
> > Dmitry's patch is applied..
> >
> >> Anyway, if no any issues, could you please re-submit updated it soon?
> >
> > I haven't get yet Dmitry's review of v6 patch set, so i am waiting it.
> >
> 
> Ping.
> 
> Do you have any feedback? If ok, i want to go to input tree or samsung
> tree these added sched.h including.

With including sched.h and Naveen's keypad support patches for SMDK6410, SMDKC100 and SMDKV210:

[ch.naveen@xxxxxxxxxxx: tested on SMDK6410, SMDKC100, and SMDKV210]
Tested-by: Naveen Krishna Ch <ch.naveen@xxxxxxxxxxx>
Acked-by: Kukjin Kim <kgene.kim@xxxxxxxxxxx>

Thanks.

Best regards,
Kgene.
--
Kukjin Kim <kgene.kim@xxxxxxxxxxx>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.

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