linux-kernel - Re: [PATCH 01/10] reset: ath79: add driver Kconfig option

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Date:   Thu, 25 Aug 2016 18:31:48 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Philipp Zabel <p.zabel@...gutronix.de>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Arnd Bergmann <arnd@...db.de>, Axel Lin <axel.lin@...ics.com>,
        Hans de Goede <hdegoede@...hat.com>,
        Maxime Ripard <maxime.ripard@...e-electrons.com>,
        Lee Jones <lee.jones@...aro.org>,
        linux-arm-kernel@...ts.infradead.org,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Alban Bedel <albeu@...e.fr>
Subject: Re: [PATCH 01/10] reset: ath79: add driver Kconfig option

Hi Philipp,

[auto build test ERROR on pza/reset/next]
[also build test ERROR on v4.8-rc3 next-20160824]
[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/Philipp-Zabel/reset-ath79-add-driver-Kconfig-option/20160824-213846
base:   git://git.pengutronix.de/git/pza/linux reset/next
config: blackfin-allyesconfig (attached as .config)
compiler: bfin-uclinux-gcc (GCC) 4.6.3
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=blackfin 

All errors (new ones prefixed by >>):

   drivers/reset/reset-ath79.c: In function 'ath79_reset_update':
>> drivers/reset/reset-ath79.c:38:2: error: implicit declaration of function 'readl' [-Werror=implicit-function-declaration]
>> drivers/reset/reset-ath79.c:43:2: error: implicit declaration of function 'writel' [-Werror=implicit-function-declaration]
   cc1: some warnings being treated as errors

vim +/readl +38 drivers/reset/reset-ath79.c

ff591a91 Alban Bedel 2015-08-03  32  	struct ath79_reset *ath79_reset =
ff591a91 Alban Bedel 2015-08-03  33  		container_of(rcdev, struct ath79_reset, rcdev);
ff591a91 Alban Bedel 2015-08-03  34  	unsigned long flags;
ff591a91 Alban Bedel 2015-08-03  35  	u32 val;
ff591a91 Alban Bedel 2015-08-03  36  
ff591a91 Alban Bedel 2015-08-03  37  	spin_lock_irqsave(&ath79_reset->lock, flags);
ff591a91 Alban Bedel 2015-08-03 @38  	val = readl(ath79_reset->base);
ff591a91 Alban Bedel 2015-08-03  39  	if (assert)
ff591a91 Alban Bedel 2015-08-03  40  		val |= BIT(id);
ff591a91 Alban Bedel 2015-08-03  41  	else
ff591a91 Alban Bedel 2015-08-03  42  		val &= ~BIT(id);
ff591a91 Alban Bedel 2015-08-03 @43  	writel(val, ath79_reset->base);
ff591a91 Alban Bedel 2015-08-03  44  	spin_unlock_irqrestore(&ath79_reset->lock, flags);
ff591a91 Alban Bedel 2015-08-03  45  
ff591a91 Alban Bedel 2015-08-03  46  	return 0;

:::::: The code at line 38 was first introduced by commit
:::::: ff591a91225d3621a503bb18faa0f0d747a06e50 reset: Add a driver for the reset controller on the AR71XX/AR9XXX

:::::: TO: Alban Bedel <albeu@...e.fr>
:::::: CC: Philipp Zabel <p.zabel@...gutronix.de>

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0-DAY kernel test infrastructure                Open Source Technology Center
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