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Re: [PATCH] iio: adc: at91-sama5d2_adc: add support for suspend/resume functionality

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On Fri, 23 Jun 2017 12:25:35 +0300
Eugen Hristev <eugen.hristev@microchip.com> wrote:

> On 23.06.2017 01:07, kbuild test robot wrote:
> > Hi Eugen,
> > 
> > [auto build test ERROR on iio/togreg]
> > [also build test ERROR on v4.12-rc6 next-20170622]
> > [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
> > 
> > url:    https://github.com/0day-ci/linux/commits/Eugen-Hristev/iio-adc-at91-sama5d2_adc-add-support-for-suspend-resume-functionality/20170623-043330
> > base:   https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
> > config: sparc64-allyesconfig (attached as .config)
> > compiler: sparc64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
> > reproduce:
> >          wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> >          chmod +x ~/bin/make.cross
> >          # save the attached .config to linux build tree
> >          make.cross ARCH=sparc64
> > 
> > All errors (new ones prefixed by >>):
> > 
> >     drivers/iio/adc/at91-sama5d2_adc.c: In function 'at91_adc_suspend':  
> >>> drivers/iio/adc/at91-sama5d2_adc.c:559:9: error: implicit declaration of function 'pinctrl_pm_select_sleep_state' [-Werror=implicit-function-declaration]  
> >       return pinctrl_pm_select_sleep_state(dev);
> >              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~  
> Will send a revised patch to fix this warning on SPARC architecture.
> 
> >     drivers/iio/adc/at91-sama5d2_adc.c: In function 'at91_adc_resume':  
> >>> drivers/iio/adc/at91-sama5d2_adc.c:569:8: error: implicit declaration of function 'pinctrl_pm_select_default_state' [-Werror=implicit-function-declaration]  
> >       ret = pinctrl_pm_select_default_state(dev);
> >             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~  
> >>> drivers/iio/adc/at91-sama5d2_adc.c:589:3: error: implicit declaration of function 'at91_adc_configure_trigger' [-Werror=implicit-function-declaration]  
> >        at91_adc_configure_trigger(st->trig, true);
> >        ^~~~~~~~~~~~~~~~~~~~~~~~~~  
> >>> drivers/iio/adc/at91-sama5d2_adc.c:589:32: error: 'struct at91_adc_state' has no member named 'trig'; did you mean 'reg'?  
> >        at91_adc_configure_trigger(st->trig, true);  
> These two errors appears because this patch is on top of my other patch
> for hardware trigger and buffer which is on the way upstream, and not
> yet in linux-next.
> Building over the tree with the included patch will work.
Ah that explains the cryptic comment in the v2 of this patch.
Good to have that cleared up!
> 
> Regards,
> Eugen
> >                                     ^~
> >     cc1: some warnings being treated as errors
> > 
> > vim +/pinctrl_pm_select_sleep_state +559 drivers/iio/adc/at91-sama5d2_adc.c
> > 
> >     553		at91_adc_writel(st, AT91_SAMA5D2_CR, AT91_SAMA5D2_CR_SWRST);
> >     554	
> >     555		clk_disable_unprepare(st->per_clk);
> >     556		regulator_disable(st->vref);
> >     557		regulator_disable(st->reg);
> >     558	  
> >   > 559		return pinctrl_pm_select_sleep_state(dev);  
> >     560	}
> >     561	
> >     562	static int at91_adc_resume(struct device *dev)
> >     563	{
> >     564		struct iio_dev *indio_dev =
> >     565				platform_get_drvdata(to_platform_device(dev));
> >     566		struct at91_adc_state *st = iio_priv(indio_dev);
> >     567		int ret;
> >     568	  
> >   > 569		ret = pinctrl_pm_select_default_state(dev);  
> >     570		if (ret)
> >     571			goto resume_failed;
> >     572	
> >     573		ret = regulator_enable(st->reg);
> >     574		if (ret)
> >     575			goto resume_failed;
> >     576	
> >     577		ret = regulator_enable(st->vref);
> >     578		if (ret)
> >     579			goto reg_disable_resume;
> >     580	
> >     581		ret = clk_prepare_enable(st->per_clk);
> >     582		if (ret)
> >     583			goto vref_disable_resume;
> >     584	
> >     585		at91_adc_hw_init(st);
> >     586	
> >     587		/* reconfiguring trigger hardware state */
> >     588		if (iio_buffer_enabled(indio_dev))  
> >   > 589			at91_adc_configure_trigger(st->trig, true);  
> >     590	
> >     591		return 0;
> >     592	
> > 
> > ---
> > 0-DAY kernel test infrastructure                Open Source Technology Center
> > https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
> >   

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Re: [PATCH] iio: adc: at91-sama5d2_adc: add support for  suspend/resume functionality Eugen Hristev <eugen.hristev@microchip.com> - 2017-06-23 11:30 +0200
  Re: [PATCH] iio: adc: at91-sama5d2_adc: add support for  suspend/resume functionality Jonathan Cameron <jic23@kernel.org> - 2017-06-24 22:00 +0200

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