From: kbuild test robot <lkp@intel.com>
To: Tomer Maimon <tmaimon77@gmail.com>
Cc: kbuild-all@lists.01.org, p.zabel@pengutronix.de,
robh+dt@kernel.org, mark.rutland@arm.com, yuenn@google.com,
venture@google.com, benjaminfair@google.com,
avifishman70@gmail.com, joel@jms.id.au, openbmc@lists.ozlabs.org,
linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
Tomer Maimon <tmaimon77@gmail.com>
Subject: Re: [PATCH v1 3/3] reset: npcm: add NPCM reset controller driver
Date: Mon, 28 Oct 2019 08:40:59 +0800 [thread overview]
Message-ID: <201910280859.ZZr4ZdIW%lkp@intel.com> (raw)
In-Reply-To: <20191024214746.88431-4-tmaimon77@gmail.com>
[-- Attachment #1: Type: text/plain, Size: 3600 bytes --]
Hi Tomer,
I love your patch! Perhaps something to improve:
[auto build test WARNING on pza/reset/next]
[also build test WARNING on v5.4-rc5 next-20191025]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]
url: https://github.com/0day-ci/linux/commits/Tomer-Maimon/reset-npcm-add-NPCM-reset-driver-support/20191028-025236
base: https://git.pengutronix.de/git/pza/linux reset/next
config: c6x-allyesconfig (attached as .config)
compiler: c6x-elf-gcc (GCC) 7.4.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
GCC_VERSION=7.4.0 make.cross ARCH=c6x
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>
Note: it may well be a FALSE warning. FWIW you are at least aware of it now.
http://gcc.gnu.org/wiki/Better_Uninitialized_Warnings
All warnings (new ones prefixed by >>):
In file included from drivers//reset/reset-npcm.c:15:0:
drivers//reset/reset-npcm.c: In function 'npcm_rc_probe':
>> include/linux/regmap.h:75:2: warning: 'gcr_regmap' may be used uninitialized in this function [-Wmaybe-uninitialized]
regmap_update_bits_base(map, reg, mask, val, NULL, false, false)
^~~~~~~~~~~~~~~~~~~~~~~
drivers//reset/reset-npcm.c:131:17: note: 'gcr_regmap' was declared here
struct regmap *gcr_regmap;
^~~~~~~~~~
--
In file included from drivers/reset/reset-npcm.c:15:0:
drivers/reset/reset-npcm.c: In function 'npcm_rc_probe':
>> include/linux/regmap.h:75:2: warning: 'gcr_regmap' may be used uninitialized in this function [-Wmaybe-uninitialized]
regmap_update_bits_base(map, reg, mask, val, NULL, false, false)
^~~~~~~~~~~~~~~~~~~~~~~
drivers/reset/reset-npcm.c:131:17: note: 'gcr_regmap' was declared here
struct regmap *gcr_regmap;
^~~~~~~~~~
vim +/gcr_regmap +75 include/linux/regmap.h
8019ff6cfc0440 Nariman Poushin 2015-07-16 73
ca7a94464b5457 Kuninori Morimoto 2016-02-15 74 #define regmap_update_bits(map, reg, mask, val) \
ca7a94464b5457 Kuninori Morimoto 2016-02-15 @75 regmap_update_bits_base(map, reg, mask, val, NULL, false, false)
30ed9cb7a49b49 Kuninori Morimoto 2016-02-15 76 #define regmap_update_bits_async(map, reg, mask, val)\
30ed9cb7a49b49 Kuninori Morimoto 2016-02-15 77 regmap_update_bits_base(map, reg, mask, val, NULL, true, false)
98c2dc48694a47 Kuninori Morimoto 2016-02-15 78 #define regmap_update_bits_check(map, reg, mask, val, change)\
98c2dc48694a47 Kuninori Morimoto 2016-02-15 79 regmap_update_bits_base(map, reg, mask, val, change, false, false)
89d8d4b833b0b2 Kuninori Morimoto 2016-02-15 80 #define regmap_update_bits_check_async(map, reg, mask, val, change)\
89d8d4b833b0b2 Kuninori Morimoto 2016-02-15 81 regmap_update_bits_base(map, reg, mask, val, change, true, false)
ca7a94464b5457 Kuninori Morimoto 2016-02-15 82
:::::: The code at line 75 was first introduced by commit
:::::: ca7a94464b5457a8dc5add19f6fc3bea59d6193f regmap: merge regmap_update_bits() into macro
:::::: TO: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
:::::: CC: Mark Brown <broonie@kernel.org>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 50173 bytes --]
prev parent reply other threads:[~2019-10-28 0:42 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-24 21:47 [PATCH v1 0/3] reset: npcm: add NPCM reset driver support Tomer Maimon
2019-10-24 21:47 ` [PATCH v1 1/3] dt-binding: reset: add NPCM reset controller documentation Tomer Maimon
2019-10-24 21:47 ` [PATCH v1 2/3] dt-bindings: reset: Add binding constants for NPCM7xx reset controller Tomer Maimon
2019-10-24 21:47 ` [PATCH v1 3/3] reset: npcm: add NPCM reset controller driver Tomer Maimon
2019-10-28 0:40 ` kbuild test robot [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=201910280859.ZZr4ZdIW%lkp@intel.com \
--to=lkp@intel.com \
--cc=avifishman70@gmail.com \
--cc=benjaminfair@google.com \
--cc=devicetree@vger.kernel.org \
--cc=joel@jms.id.au \
--cc=kbuild-all@lists.01.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mark.rutland@arm.com \
--cc=openbmc@lists.ozlabs.org \
--cc=p.zabel@pengutronix.de \
--cc=robh+dt@kernel.org \
--cc=tmaimon77@gmail.com \
--cc=venture@google.com \
--cc=yuenn@google.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®