From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kukjin Kim Subject: RE: [PATCH v6 3/3] input: samsung-keypad - Add samsung keypad driver Date: Wed, 21 Jul 2010 15:21:23 +0900 Message-ID: <007901cb289c$f4763d70$dd62b850$%kim@samsung.com> References: <1277724824-13308-1-git-send-email-jy0922.shim@samsung.com> <1277724824-13308-3-git-send-email-jy0922.shim@samsung.com> <4C32E21A.8080100@samsung.com> <013401cb1d66$5fbf3fb0$1f3dbf10$%kim@samsung.com> <4C33D859.9050708@samsung.com> <026901cb1f35$64c63470$2e529d50$%kim@samsung.com> <4C36D235.3040702@samsung.com> <4C4688BE.1080409@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7BIT Return-path: Received: from mailout4.samsung.com ([203.254.224.34]:24398 "EHLO mailout4.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751177Ab0GUGWJ (ORCPT ); Wed, 21 Jul 2010 02:22:09 -0400 In-reply-to: <4C4688BE.1080409@samsung.com> Content-language: ko Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: 'Joonyoung Shim' , dmitry.torokhov@gmail.com Cc: linux-samsung-soc@vger.kernel.org, kyungmin.park@samsung.com, ben-linux@fluff.org, linux-input@vger.kernel.org, ch.naveen@samsung.com, linux-arm-kernel@lists.infradead.org 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 > >>>>>> Signed-off-by: Kyungmin Park > >>>>>> --- > >>>>>> 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@samsung.com: tested on SMDK6410, SMDKC100, and SMDKV210] Tested-by: Naveen Krishna Ch Acked-by: Kukjin Kim Thanks. Best regards, Kgene. -- Kukjin Kim , Senior Engineer, SW Solution Development Team, Samsung Electronics Co., Ltd.