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Date: Tue, 13 Sep 2016 23:58:37 +0200
From: Alexandre Belloni <alexandre.belloni@free-electrons.com>
To: Marcin Niestroj <m.niestroj@grinn-global.com>
Cc: kbuild test robot <lkp@intel.com>, kbuild-all@01.org,
	Tony Lindgren <tony@atomide.com>, Rob Herring <robh+dt@kernel.org>,
	Grygorii Strashko <grygorii.strashko@ti.com>,
	Keerthy <j-keerthy@ti.com>, Pawel Moll <pawel.moll@arm.com>,
	Alessandro Zummo <a.zummo@towertech.it>, rtc-linux@googlegroups.com,
	linux-omap@vger.kernel.org, devicetree@vger.kernel.org
Subject: [rtc-linux] Re: [PATCH v5] rtc: omap: Support ext_wakeup configuration
Message-ID: <20160913215837.xstx4c6d4pr42hgh@piout.net>
References: <201609082240.a4dMqCnB%fengguang.wu@intel.com>
 <4512fa0b-890b-0f10-00dd-188fcc98fb5c@grinn-global.com>
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Hi,

On 12/09/2016 at 11:01:05 +0200, Marcin Niestroj wrote :
> I guess we are missing PINCTRL in Kconfig. I didn't add that before,
> because I thought that there is a dependency chain GENERIC_PINCONF ->
> PINCONF -> PINCTRL.
> 
> So to resolve this issue:
> 1) Should we add "select" or "depends on" for PINCTRL?
> 2) Should this option be somehow related to COMPILE_TEST?
> 

Adding a "depends on PINCTRL" line should be enough to solve that issue.

> On 08.09.2016 16:20, kbuild test robot wrote:
> > Hi Marcin,
> > 
> > [auto build test ERROR on abelloni/rtc-next]
> > [also build test ERROR on v4.8-rc5]
> > [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
> > [Suggest to use git(>=2.9.0) format-patch --base=<commit> (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on]
> > [Check https://git-scm.com/docs/git-format-patch for more information]
> > 
> > url:    https://github.com/0day-ci/linux/commits/Marcin-Niestroj/rtc-omap-Support-ext_wakeup-configuration/20160908-190900
> > base:   https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git rtc-next
> > config: ia64-allmodconfig (attached as .config)
> > compiler: ia64-linux-gcc (GCC) 4.9.0
> > reproduce:
> >         wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
> >         chmod +x ~/bin/make.cross
> >         # save the attached .config to linux build tree
> >         make.cross ARCH=ia64
> > 
> > All error/warnings (new ones prefixed by >>):
> > 
> > > > drivers/rtc/rtc-omap.c:535:38: error: array type has incomplete element type
> >     static const struct pinctrl_pin_desc rtc_pins_desc[] = {
> >                                          ^
> > > > drivers/rtc/rtc-omap.c:536:2: error: implicit declaration of function 'PINCTRL_PIN' [-Werror=implicit-function-declaration]
> >      PINCTRL_PIN(0, "ext_wakeup0"),
> >      ^
> > > > drivers/rtc/rtc-omap.c:553:21: error: variable 'rtc_pinctrl_ops' has initializer but incomplete type
> >     static const struct pinctrl_ops rtc_pinctrl_ops = {
> >                         ^
> > > > drivers/rtc/rtc-omap.c:554:2: error: unknown field 'get_groups_count' specified in initializer
> >      .get_groups_count = rtc_pinctrl_get_groups_count,
> >      ^
> > > > drivers/rtc/rtc-omap.c:554:2: warning: excess elements in struct initializer
> >    drivers/rtc/rtc-omap.c:554:2: warning: (near initialization for 'rtc_pinctrl_ops')
> > > > drivers/rtc/rtc-omap.c:555:2: error: unknown field 'get_group_name' specified in initializer
> >      .get_group_name = rtc_pinctrl_get_group_name,
> >      ^
> >    drivers/rtc/rtc-omap.c:555:2: warning: excess elements in struct initializer
> >    drivers/rtc/rtc-omap.c:555:2: warning: (near initialization for 'rtc_pinctrl_ops')
> > > > drivers/rtc/rtc-omap.c:556:2: error: unknown field 'dt_node_to_map' specified in initializer
> >      .dt_node_to_map = pinconf_generic_dt_node_to_map_pin,
> >      ^
> >    drivers/rtc/rtc-omap.c:556:2: warning: excess elements in struct initializer
> >    drivers/rtc/rtc-omap.c:556:2: warning: (near initialization for 'rtc_pinctrl_ops')
> > > > drivers/rtc/rtc-omap.c:557:2: error: unknown field 'dt_free_map' specified in initializer
> >      .dt_free_map = pinconf_generic_dt_free_map,
> >      ^
> >    drivers/rtc/rtc-omap.c:557:2: warning: excess elements in struct initializer
> >    drivers/rtc/rtc-omap.c:557:2: warning: (near initialization for 'rtc_pinctrl_ops')
> >    drivers/rtc/rtc-omap.c: In function 'rtc_pinconf_get':
> > > > drivers/rtc/rtc-omap.c:577:9: error: implicit declaration of function 'pinctrl_dev_get_drvdata' [-Werror=implicit-function-declaration]
> >      struct omap_rtc *rtc = pinctrl_dev_get_drvdata(pctldev);
> >             ^
> > > > drivers/rtc/rtc-omap.c:577:25: warning: initialization makes pointer from integer without a cast
> >      struct omap_rtc *rtc = pinctrl_dev_get_drvdata(pctldev);
> >                             ^
> >    drivers/rtc/rtc-omap.c: In function 'rtc_pinconf_set':
> >    drivers/rtc/rtc-omap.c:608:25: warning: initialization makes pointer from integer without a cast
> >      struct omap_rtc *rtc = pinctrl_dev_get_drvdata(pctldev);
> >                             ^
> >    drivers/rtc/rtc-omap.c: At top level:
> > > > drivers/rtc/rtc-omap.c:649:21: error: variable 'rtc_pinconf_ops' has initializer but incomplete type
> >     static const struct pinconf_ops rtc_pinconf_ops = {
> >                         ^
> > > > drivers/rtc/rtc-omap.c:650:2: error: unknown field 'is_generic' specified in initializer
> >      .is_generic = true,
> >      ^
> >    drivers/rtc/rtc-omap.c:650:2: warning: excess elements in struct initializer
> >    drivers/rtc/rtc-omap.c:650:2: warning: (near initialization for 'rtc_pinconf_ops')
> > > > drivers/rtc/rtc-omap.c:651:2: error: unknown field 'pin_config_get' specified in initializer
> >      .pin_config_get = rtc_pinconf_get,
> >      ^
> >    drivers/rtc/rtc-omap.c:651:2: warning: excess elements in struct initializer
> >    drivers/rtc/rtc-omap.c:651:2: warning: (near initialization for 'rtc_pinconf_ops')
> > > > drivers/rtc/rtc-omap.c:652:2: error: unknown field 'pin_config_set' specified in initializer
> >      .pin_config_set = rtc_pinconf_set,
> >      ^
> >    drivers/rtc/rtc-omap.c:652:2: warning: excess elements in struct initializer
> >    drivers/rtc/rtc-omap.c:652:2: warning: (near initialization for 'rtc_pinconf_ops')
> > > > drivers/rtc/rtc-omap.c:655:15: error: variable 'rtc_pinctrl_desc' has initializer but incomplete type
> >     static struct pinctrl_desc rtc_pinctrl_desc = {
> >                   ^
> > > > drivers/rtc/rtc-omap.c:656:2: error: unknown field 'pins' specified in initializer
> >      .pins = rtc_pins_desc,
> >      ^
> >    drivers/rtc/rtc-omap.c:656:2: warning: excess elements in struct initializer
> >    drivers/rtc/rtc-omap.c:656:2: warning: (near initialization for 'rtc_pinctrl_desc')
> > > > drivers/rtc/rtc-omap.c:657:2: error: unknown field 'npins' specified in initializer
> >      .npins = ARRAY_SIZE(rtc_pins_desc),
> >      ^
> >    In file included from include/linux/debug_locks.h:6:0,
> >                     from include/linux/mutex-debug.h:6,
> >                     from include/linux/mutex.h:82,
> >                     from include/linux/notifier.h:13,
> >                     from include/linux/clk.h:17,
> >                     from drivers/rtc/rtc-omap.c:18:
> >    include/linux/bug.h:34:45: error: bit-field '<anonymous>' width not an integer constant
> >     #define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); }))
> >                                                 ^
> >    include/linux/compiler-gcc.h:64:28: note: in expansion of macro 'BUILD_BUG_ON_ZERO'
> >     #define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
> >                                ^
> >    include/linux/kernel.h:53:59: note: in expansion of macro '__must_be_array'
> >     #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
> >                                                               ^
> > > > drivers/rtc/rtc-omap.c:657:11: note: in expansion of macro 'ARRAY_SIZE'
> >      .npins = ARRAY_SIZE(rtc_pins_desc),
> >               ^
> >    include/linux/bug.h:34:45: warning: excess elements in struct initializer
> >     #define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); }))
> >                                                 ^
> >    include/linux/compiler-gcc.h:64:28: note: in expansion of macro 'BUILD_BUG_ON_ZERO'
> >     #define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
> >                                ^
> >    include/linux/kernel.h:53:59: note: in expansion of macro '__must_be_array'
> >     #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
> >                                                               ^
> > > > drivers/rtc/rtc-omap.c:657:11: note: in expansion of macro 'ARRAY_SIZE'
> >      .npins = ARRAY_SIZE(rtc_pins_desc),
> >               ^
> >    include/linux/bug.h:34:45: warning: (near initialization for 'rtc_pinctrl_desc')
> >     #define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); }))
> >                                                 ^
> >    include/linux/compiler-gcc.h:64:28: note: in expansion of macro 'BUILD_BUG_ON_ZERO'
> >     #define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
> >                                ^
> >    include/linux/kernel.h:53:59: note: in expansion of macro '__must_be_array'
> >     #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
> >                                                               ^
> > > > drivers/rtc/rtc-omap.c:657:11: note: in expansion of macro 'ARRAY_SIZE'
> >      .npins = ARRAY_SIZE(rtc_pins_desc),
> >               ^
> > 
> > vim +535 drivers/rtc/rtc-omap.c
> > 
> >    529		}, {
> >    530			/* sentinel */
> >    531		}
> >    532	};
> >    533	MODULE_DEVICE_TABLE(of, omap_rtc_of_match);
> >    534	
> >  > 535	static const struct pinctrl_pin_desc rtc_pins_desc[] = {
> >  > 536		PINCTRL_PIN(0, "ext_wakeup0"),
> >    537		PINCTRL_PIN(1, "ext_wakeup1"),
> >    538		PINCTRL_PIN(2, "ext_wakeup2"),
> >    539		PINCTRL_PIN(3, "ext_wakeup3"),
> >    540	};
> >    541	
> >    542	static int rtc_pinctrl_get_groups_count(struct pinctrl_dev *pctldev)
> >    543	{
> >    544		return 0;
> >    545	}
> >    546	
> >    547	static const char *rtc_pinctrl_get_group_name(struct pinctrl_dev *pctldev,
> >    548						unsigned int group)
> >    549	{
> >    550		return NULL;
> >    551	}
> >    552	
> >  > 553	static const struct pinctrl_ops rtc_pinctrl_ops = {
> >  > 554		.get_groups_count = rtc_pinctrl_get_groups_count,
> >  > 555		.get_group_name = rtc_pinctrl_get_group_name,
> >  > 556		.dt_node_to_map = pinconf_generic_dt_node_to_map_pin,
> >  > 557		.dt_free_map = pinconf_generic_dt_free_map,
> >    558	};
> >    559	
> >    560	enum rtc_pin_config_param {
> >    561		PIN_CONFIG_ACTIVE_HIGH = PIN_CONFIG_END + 1,
> >    562	};
> >    563	
> >    564	static const struct pinconf_generic_params rtc_params[] = {
> >    565		{"ti,active-high", PIN_CONFIG_ACTIVE_HIGH, 0},
> >    566	};
> >    567	
> >    568	#ifdef CONFIG_DEBUG_FS
> >    569	static const struct pin_config_item rtc_conf_items[ARRAY_SIZE(rtc_params)] = {
> >    570		PCONFDUMP(PIN_CONFIG_ACTIVE_HIGH, "input active high", NULL, false),
> >    571	};
> >    572	#endif
> >    573	
> >    574	static int rtc_pinconf_get(struct pinctrl_dev *pctldev,
> >    575				unsigned int pin, unsigned long *config)
> >    576	{
> >  > 577		struct omap_rtc *rtc = pinctrl_dev_get_drvdata(pctldev);
> >    578		unsigned int param = pinconf_to_config_param(*config);
> >    579		u32 val;
> >    580		u16 arg = 0;
> >    581	
> >    582		rtc->type->unlock(rtc);
> >    583		val = rtc_readl(rtc, OMAP_RTC_PMIC_REG);
> >    584		rtc->type->lock(rtc);
> >    585	
> >    586		switch (param) {
> >    587		case PIN_CONFIG_INPUT_ENABLE:
> >    588			if (!(val & OMAP_RTC_PMIC_EXT_WKUP_EN(pin)))
> >    589				return -EINVAL;
> >    590			break;
> >    591		case PIN_CONFIG_ACTIVE_HIGH:
> >    592			if (val & OMAP_RTC_PMIC_EXT_WKUP_POL(pin))
> >    593				return -EINVAL;
> >    594			break;
> >    595		default:
> >    596			return -ENOTSUPP;
> >    597		};
> >    598	
> >    599		*config = pinconf_to_config_packed(param, arg);
> >    600	
> >    601		return 0;
> >    602	}
> >    603	
> >    604	static int rtc_pinconf_set(struct pinctrl_dev *pctldev,
> >    605				unsigned int pin, unsigned long *configs,
> >    606				unsigned int num_configs)
> >    607	{
> >  > 608		struct omap_rtc *rtc = pinctrl_dev_get_drvdata(pctldev);
> >    609		u32 val;
> >    610		unsigned int param;
> >    611		u16 param_val;
> >    612		int i;
> >    613	
> >    614		rtc->type->unlock(rtc);
> >    615		val = rtc_readl(rtc, OMAP_RTC_PMIC_REG);
> >    616		rtc->type->lock(rtc);
> >    617	
> >    618		/* active low by default */
> >    619		val |= OMAP_RTC_PMIC_EXT_WKUP_POL(pin);
> >    620	
> >    621		for (i = 0; i < num_configs; i++) {
> >    622			param = pinconf_to_config_param(configs[i]);
> >    623			param_val = pinconf_to_config_argument(configs[i]);
> >    624	
> >    625			switch (param) {
> >    626			case PIN_CONFIG_INPUT_ENABLE:
> >    627				if (param_val)
> >    628					val |= OMAP_RTC_PMIC_EXT_WKUP_EN(pin);
> >    629				else
> >    630					val &= ~OMAP_RTC_PMIC_EXT_WKUP_EN(pin);
> >    631				break;
> >    632			case PIN_CONFIG_ACTIVE_HIGH:
> >    633				val &= ~OMAP_RTC_PMIC_EXT_WKUP_POL(pin);
> >    634				break;
> >    635			default:
> >    636				dev_err(&rtc->rtc->dev, "Property %u not supported\n",
> >    637					param);
> >    638				return -ENOTSUPP;
> >    639			}
> >    640		}
> >    641	
> >    642		rtc->type->unlock(rtc);
> >    643		rtc_writel(rtc, OMAP_RTC_PMIC_REG, val);
> >    644		rtc->type->lock(rtc);
> >    645	
> >    646		return 0;
> >    647	}
> >    648	
> >  > 649	static const struct pinconf_ops rtc_pinconf_ops = {
> >  > 650		.is_generic = true,
> >  > 651		.pin_config_get = rtc_pinconf_get,
> >  > 652		.pin_config_set = rtc_pinconf_set,
> >    653	};
> >    654	
> >  > 655	static struct pinctrl_desc rtc_pinctrl_desc = {
> >  > 656		.pins = rtc_pins_desc,
> >  > 657		.npins = ARRAY_SIZE(rtc_pins_desc),
> >  > 658		.pctlops = &rtc_pinctrl_ops,
> >  > 659		.confops = &rtc_pinconf_ops,
> >  > 660		.custom_params = rtc_params,
> >  > 661		.num_custom_params = ARRAY_SIZE(rtc_params),
> >    662	#ifdef CONFIG_DEBUG_FS
> >  > 663		.custom_conf_items = rtc_conf_items,
> >    664	#endif
> >  > 665		.owner = THIS_MODULE,
> >    666	};
> >    667	
> >    668	static int omap_rtc_probe(struct platform_device *pdev)
> > 
> > ---
> > 0-DAY kernel test infrastructure                Open Source Technology Center
> > https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
> > 
> 
> -- 
> Marcin Niestroj

-- 
Alexandre Belloni, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

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From mboxrd@z Thu Jan  1 00:00:00 1970
From: Alexandre Belloni <alexandre.belloni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
Subject: Re: [PATCH v5] rtc: omap: Support ext_wakeup configuration
Date: Tue, 13 Sep 2016 23:58:37 +0200
Message-ID: <20160913215837.xstx4c6d4pr42hgh@piout.net>
References: <201609082240.a4dMqCnB%fengguang.wu@intel.com>
 <4512fa0b-890b-0f10-00dd-188fcc98fb5c@grinn-global.com>
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To: Marcin Niestroj <m.niestroj-z3quKL4iOrmQ6ZAhV5LmOA@public.gmane.org>
Cc: kbuild test robot <lkp-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>, kbuild-all-JC7UmRfGjtg@public.gmane.org, Tony Lindgren <tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>, Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, Grygorii Strashko <grygorii.strashko-l0cyMroinI0@public.gmane.org>, Keerthy <j-keerthy-l0cyMroinI0@public.gmane.org>, Pawel Moll <pawel.moll-5wv7dgnIgG8@public.gmane.org>, Alessandro Zummo <a.zummo-BfzFCNDTiLLj+vYz1yj4TQ@public.gmane.org>, rtc-linux-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org, linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
List-Id: devicetree@vger.kernel.org

Hi,

On 12/09/2016 at 11:01:05 +0200, Marcin Niestroj wrote :
> I guess we are missing PINCTRL in Kconfig. I didn't add that before,
> because I thought that there is a dependency chain GENERIC_PINCONF ->
> PINCONF -> PINCTRL.
> 
> So to resolve this issue:
> 1) Should we add "select" or "depends on" for PINCTRL?
> 2) Should this option be somehow related to COMPILE_TEST?
> 

Adding a "depends on PINCTRL" line should be enough to solve that issue.

> On 08.09.2016 16:20, kbuild test robot wrote:
> > Hi Marcin,
> > 
> > [auto build test ERROR on abelloni/rtc-next]
> > [also build test ERROR on v4.8-rc5]
> > [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
> > [Suggest to use git(>=2.9.0) format-patch --base=<commit> (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on]
> > [Check https://git-scm.com/docs/git-format-patch for more information]
> > 
> > url:    https://github.com/0day-ci/linux/commits/Marcin-Niestroj/rtc-omap-Support-ext_wakeup-configuration/20160908-190900
> > base:   https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git rtc-next
> > config: ia64-allmodconfig (attached as .config)
> > compiler: ia64-linux-gcc (GCC) 4.9.0
> > reproduce:
> >         wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
> >         chmod +x ~/bin/make.cross
> >         # save the attached .config to linux build tree
> >         make.cross ARCH=ia64
> > 
> > All error/warnings (new ones prefixed by >>):
> > 
> > > > drivers/rtc/rtc-omap.c:535:38: error: array type has incomplete element type
> >     static const struct pinctrl_pin_desc rtc_pins_desc[] = {
> >                                          ^
> > > > drivers/rtc/rtc-omap.c:536:2: error: implicit declaration of function 'PINCTRL_PIN' [-Werror=implicit-function-declaration]
> >      PINCTRL_PIN(0, "ext_wakeup0"),
> >      ^
> > > > drivers/rtc/rtc-omap.c:553:21: error: variable 'rtc_pinctrl_ops' has initializer but incomplete type
> >     static const struct pinctrl_ops rtc_pinctrl_ops = {
> >                         ^
> > > > drivers/rtc/rtc-omap.c:554:2: error: unknown field 'get_groups_count' specified in initializer
> >      .get_groups_count = rtc_pinctrl_get_groups_count,
> >      ^
> > > > drivers/rtc/rtc-omap.c:554:2: warning: excess elements in struct initializer
> >    drivers/rtc/rtc-omap.c:554:2: warning: (near initialization for 'rtc_pinctrl_ops')
> > > > drivers/rtc/rtc-omap.c:555:2: error: unknown field 'get_group_name' specified in initializer
> >      .get_group_name = rtc_pinctrl_get_group_name,
> >      ^
> >    drivers/rtc/rtc-omap.c:555:2: warning: excess elements in struct initializer
> >    drivers/rtc/rtc-omap.c:555:2: warning: (near initialization for 'rtc_pinctrl_ops')
> > > > drivers/rtc/rtc-omap.c:556:2: error: unknown field 'dt_node_to_map' specified in initializer
> >      .dt_node_to_map = pinconf_generic_dt_node_to_map_pin,
> >      ^
> >    drivers/rtc/rtc-omap.c:556:2: warning: excess elements in struct initializer
> >    drivers/rtc/rtc-omap.c:556:2: warning: (near initialization for 'rtc_pinctrl_ops')
> > > > drivers/rtc/rtc-omap.c:557:2: error: unknown field 'dt_free_map' specified in initializer
> >      .dt_free_map = pinconf_generic_dt_free_map,
> >      ^
> >    drivers/rtc/rtc-omap.c:557:2: warning: excess elements in struct initializer
> >    drivers/rtc/rtc-omap.c:557:2: warning: (near initialization for 'rtc_pinctrl_ops')
> >    drivers/rtc/rtc-omap.c: In function 'rtc_pinconf_get':
> > > > drivers/rtc/rtc-omap.c:577:9: error: implicit declaration of function 'pinctrl_dev_get_drvdata' [-Werror=implicit-function-declaration]
> >      struct omap_rtc *rtc = pinctrl_dev_get_drvdata(pctldev);
> >             ^
> > > > drivers/rtc/rtc-omap.c:577:25: warning: initialization makes pointer from integer without a cast
> >      struct omap_rtc *rtc = pinctrl_dev_get_drvdata(pctldev);
> >                             ^
> >    drivers/rtc/rtc-omap.c: In function 'rtc_pinconf_set':
> >    drivers/rtc/rtc-omap.c:608:25: warning: initialization makes pointer from integer without a cast
> >      struct omap_rtc *rtc = pinctrl_dev_get_drvdata(pctldev);
> >                             ^
> >    drivers/rtc/rtc-omap.c: At top level:
> > > > drivers/rtc/rtc-omap.c:649:21: error: variable 'rtc_pinconf_ops' has initializer but incomplete type
> >     static const struct pinconf_ops rtc_pinconf_ops = {
> >                         ^
> > > > drivers/rtc/rtc-omap.c:650:2: error: unknown field 'is_generic' specified in initializer
> >      .is_generic = true,
> >      ^
> >    drivers/rtc/rtc-omap.c:650:2: warning: excess elements in struct initializer
> >    drivers/rtc/rtc-omap.c:650:2: warning: (near initialization for 'rtc_pinconf_ops')
> > > > drivers/rtc/rtc-omap.c:651:2: error: unknown field 'pin_config_get' specified in initializer
> >      .pin_config_get = rtc_pinconf_get,
> >      ^
> >    drivers/rtc/rtc-omap.c:651:2: warning: excess elements in struct initializer
> >    drivers/rtc/rtc-omap.c:651:2: warning: (near initialization for 'rtc_pinconf_ops')
> > > > drivers/rtc/rtc-omap.c:652:2: error: unknown field 'pin_config_set' specified in initializer
> >      .pin_config_set = rtc_pinconf_set,
> >      ^
> >    drivers/rtc/rtc-omap.c:652:2: warning: excess elements in struct initializer
> >    drivers/rtc/rtc-omap.c:652:2: warning: (near initialization for 'rtc_pinconf_ops')
> > > > drivers/rtc/rtc-omap.c:655:15: error: variable 'rtc_pinctrl_desc' has initializer but incomplete type
> >     static struct pinctrl_desc rtc_pinctrl_desc = {
> >                   ^
> > > > drivers/rtc/rtc-omap.c:656:2: error: unknown field 'pins' specified in initializer
> >      .pins = rtc_pins_desc,
> >      ^
> >    drivers/rtc/rtc-omap.c:656:2: warning: excess elements in struct initializer
> >    drivers/rtc/rtc-omap.c:656:2: warning: (near initialization for 'rtc_pinctrl_desc')
> > > > drivers/rtc/rtc-omap.c:657:2: error: unknown field 'npins' specified in initializer
> >      .npins = ARRAY_SIZE(rtc_pins_desc),
> >      ^
> >    In file included from include/linux/debug_locks.h:6:0,
> >                     from include/linux/mutex-debug.h:6,
> >                     from include/linux/mutex.h:82,
> >                     from include/linux/notifier.h:13,
> >                     from include/linux/clk.h:17,
> >                     from drivers/rtc/rtc-omap.c:18:
> >    include/linux/bug.h:34:45: error: bit-field '<anonymous>' width not an integer constant
> >     #define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); }))
> >                                                 ^
> >    include/linux/compiler-gcc.h:64:28: note: in expansion of macro 'BUILD_BUG_ON_ZERO'
> >     #define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
> >                                ^
> >    include/linux/kernel.h:53:59: note: in expansion of macro '__must_be_array'
> >     #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
> >                                                               ^
> > > > drivers/rtc/rtc-omap.c:657:11: note: in expansion of macro 'ARRAY_SIZE'
> >      .npins = ARRAY_SIZE(rtc_pins_desc),
> >               ^
> >    include/linux/bug.h:34:45: warning: excess elements in struct initializer
> >     #define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); }))
> >                                                 ^
> >    include/linux/compiler-gcc.h:64:28: note: in expansion of macro 'BUILD_BUG_ON_ZERO'
> >     #define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
> >                                ^
> >    include/linux/kernel.h:53:59: note: in expansion of macro '__must_be_array'
> >     #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
> >                                                               ^
> > > > drivers/rtc/rtc-omap.c:657:11: note: in expansion of macro 'ARRAY_SIZE'
> >      .npins = ARRAY_SIZE(rtc_pins_desc),
> >               ^
> >    include/linux/bug.h:34:45: warning: (near initialization for 'rtc_pinctrl_desc')
> >     #define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); }))
> >                                                 ^
> >    include/linux/compiler-gcc.h:64:28: note: in expansion of macro 'BUILD_BUG_ON_ZERO'
> >     #define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
> >                                ^
> >    include/linux/kernel.h:53:59: note: in expansion of macro '__must_be_array'
> >     #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
> >                                                               ^
> > > > drivers/rtc/rtc-omap.c:657:11: note: in expansion of macro 'ARRAY_SIZE'
> >      .npins = ARRAY_SIZE(rtc_pins_desc),
> >               ^
> > 
> > vim +535 drivers/rtc/rtc-omap.c
> > 
> >    529		}, {
> >    530			/* sentinel */
> >    531		}
> >    532	};
> >    533	MODULE_DEVICE_TABLE(of, omap_rtc_of_match);
> >    534	
> >  > 535	static const struct pinctrl_pin_desc rtc_pins_desc[] = {
> >  > 536		PINCTRL_PIN(0, "ext_wakeup0"),
> >    537		PINCTRL_PIN(1, "ext_wakeup1"),
> >    538		PINCTRL_PIN(2, "ext_wakeup2"),
> >    539		PINCTRL_PIN(3, "ext_wakeup3"),
> >    540	};
> >    541	
> >    542	static int rtc_pinctrl_get_groups_count(struct pinctrl_dev *pctldev)
> >    543	{
> >    544		return 0;
> >    545	}
> >    546	
> >    547	static const char *rtc_pinctrl_get_group_name(struct pinctrl_dev *pctldev,
> >    548						unsigned int group)
> >    549	{
> >    550		return NULL;
> >    551	}
> >    552	
> >  > 553	static const struct pinctrl_ops rtc_pinctrl_ops = {
> >  > 554		.get_groups_count = rtc_pinctrl_get_groups_count,
> >  > 555		.get_group_name = rtc_pinctrl_get_group_name,
> >  > 556		.dt_node_to_map = pinconf_generic_dt_node_to_map_pin,
> >  > 557		.dt_free_map = pinconf_generic_dt_free_map,
> >    558	};
> >    559	
> >    560	enum rtc_pin_config_param {
> >    561		PIN_CONFIG_ACTIVE_HIGH = PIN_CONFIG_END + 1,
> >    562	};
> >    563	
> >    564	static const struct pinconf_generic_params rtc_params[] = {
> >    565		{"ti,active-high", PIN_CONFIG_ACTIVE_HIGH, 0},
> >    566	};
> >    567	
> >    568	#ifdef CONFIG_DEBUG_FS
> >    569	static const struct pin_config_item rtc_conf_items[ARRAY_SIZE(rtc_params)] = {
> >    570		PCONFDUMP(PIN_CONFIG_ACTIVE_HIGH, "input active high", NULL, false),
> >    571	};
> >    572	#endif
> >    573	
> >    574	static int rtc_pinconf_get(struct pinctrl_dev *pctldev,
> >    575				unsigned int pin, unsigned long *config)
> >    576	{
> >  > 577		struct omap_rtc *rtc = pinctrl_dev_get_drvdata(pctldev);
> >    578		unsigned int param = pinconf_to_config_param(*config);
> >    579		u32 val;
> >    580		u16 arg = 0;
> >    581	
> >    582		rtc->type->unlock(rtc);
> >    583		val = rtc_readl(rtc, OMAP_RTC_PMIC_REG);
> >    584		rtc->type->lock(rtc);
> >    585	
> >    586		switch (param) {
> >    587		case PIN_CONFIG_INPUT_ENABLE:
> >    588			if (!(val & OMAP_RTC_PMIC_EXT_WKUP_EN(pin)))
> >    589				return -EINVAL;
> >    590			break;
> >    591		case PIN_CONFIG_ACTIVE_HIGH:
> >    592			if (val & OMAP_RTC_PMIC_EXT_WKUP_POL(pin))
> >    593				return -EINVAL;
> >    594			break;
> >    595		default:
> >    596			return -ENOTSUPP;
> >    597		};
> >    598	
> >    599		*config = pinconf_to_config_packed(param, arg);
> >    600	
> >    601		return 0;
> >    602	}
> >    603	
> >    604	static int rtc_pinconf_set(struct pinctrl_dev *pctldev,
> >    605				unsigned int pin, unsigned long *configs,
> >    606				unsigned int num_configs)
> >    607	{
> >  > 608		struct omap_rtc *rtc = pinctrl_dev_get_drvdata(pctldev);
> >    609		u32 val;
> >    610		unsigned int param;
> >    611		u16 param_val;
> >    612		int i;
> >    613	
> >    614		rtc->type->unlock(rtc);
> >    615		val = rtc_readl(rtc, OMAP_RTC_PMIC_REG);
> >    616		rtc->type->lock(rtc);
> >    617	
> >    618		/* active low by default */
> >    619		val |= OMAP_RTC_PMIC_EXT_WKUP_POL(pin);
> >    620	
> >    621		for (i = 0; i < num_configs; i++) {
> >    622			param = pinconf_to_config_param(configs[i]);
> >    623			param_val = pinconf_to_config_argument(configs[i]);
> >    624	
> >    625			switch (param) {
> >    626			case PIN_CONFIG_INPUT_ENABLE:
> >    627				if (param_val)
> >    628					val |= OMAP_RTC_PMIC_EXT_WKUP_EN(pin);
> >    629				else
> >    630					val &= ~OMAP_RTC_PMIC_EXT_WKUP_EN(pin);
> >    631				break;
> >    632			case PIN_CONFIG_ACTIVE_HIGH:
> >    633				val &= ~OMAP_RTC_PMIC_EXT_WKUP_POL(pin);
> >    634				break;
> >    635			default:
> >    636				dev_err(&rtc->rtc->dev, "Property %u not supported\n",
> >    637					param);
> >    638				return -ENOTSUPP;
> >    639			}
> >    640		}
> >    641	
> >    642		rtc->type->unlock(rtc);
> >    643		rtc_writel(rtc, OMAP_RTC_PMIC_REG, val);
> >    644		rtc->type->lock(rtc);
> >    645	
> >    646		return 0;
> >    647	}
> >    648	
> >  > 649	static const struct pinconf_ops rtc_pinconf_ops = {
> >  > 650		.is_generic = true,
> >  > 651		.pin_config_get = rtc_pinconf_get,
> >  > 652		.pin_config_set = rtc_pinconf_set,
> >    653	};
> >    654	
> >  > 655	static struct pinctrl_desc rtc_pinctrl_desc = {
> >  > 656		.pins = rtc_pins_desc,
> >  > 657		.npins = ARRAY_SIZE(rtc_pins_desc),
> >  > 658		.pctlops = &rtc_pinctrl_ops,
> >  > 659		.confops = &rtc_pinconf_ops,
> >  > 660		.custom_params = rtc_params,
> >  > 661		.num_custom_params = ARRAY_SIZE(rtc_params),
> >    662	#ifdef CONFIG_DEBUG_FS
> >  > 663		.custom_conf_items = rtc_conf_items,
> >    664	#endif
> >  > 665		.owner = THIS_MODULE,
> >    666	};
> >    667	
> >    668	static int omap_rtc_probe(struct platform_device *pdev)
> > 
> > ---
> > 0-DAY kernel test infrastructure                Open Source Technology Center
> > https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
> > 
> 
> -- 
> Marcin Niestroj

-- 
Alexandre Belloni, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

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