From: kernel test robot <lkp@intel.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org
Subject: drivers/clk/pxa/clk-pxa3xx.c:167:9: sparse: sparse: Using plain integer as NULL pointer
Date: Wed, 13 Jul 2022 02:56:22 +0800 [thread overview]
Message-ID: <202207130219.0wWooaZN-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 72a8e05d4f66b5af7854df4490e3135168694b6b
commit: 3c816d950a494ae6e16b1fa017af29bc53cb7791 ARM: pxa: move clk register definitions to driver
date: 9 weeks ago
config: arm-randconfig-s031-20220712 (https://download.01.org/0day-ci/archive/20220713/202207130219.0wWooaZN-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 11.3.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.4-39-gce1a6720-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3c816d950a494ae6e16b1fa017af29bc53cb7791
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 3c816d950a494ae6e16b1fa017af29bc53cb7791
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm SHELL=/bin/bash arch/arm/mach-iop32x/ arch/arm/mach-mmp/ arch/arm/mach-mv78xx0/ arch/arm/mach-omap1/ arch/arm/mach-orion5x/ arch/arm/mach-spear/ arch/arm/mm/ drivers/clk/pxa/ drivers/clk/spear/ drivers/isdn/hardware/mISDN/ drivers/net/ethernet/google/gve/ drivers/scsi/ drivers/usb/host/ sound/soc/codecs/
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>)
>> drivers/clk/pxa/clk-pxa3xx.c:167:9: sparse: sparse: Using plain integer as NULL pointer
vim +167 drivers/clk/pxa/clk-pxa3xx.c
159
160 void pxa3xx_clk_update_accr(u32 disable, u32 enable, u32 xclkcfg, u32 mask)
161 {
162 u32 accr = readl(clk_regs + ACCR);
163
164 accr &= ~disable;
165 accr |= enable;
166
> 167 writel(accr, ACCR);
168 if (xclkcfg)
169 __asm__("mcr p14, 0, %0, c6, c0, 0\n" : : "r"(xclkcfg));
170
171 while ((readl(clk_regs + ACSR) & mask) != (accr & mask))
172 cpu_relax();
173 }
174
--
0-DAY CI Kernel Test Service
https://01.org/lkp
next reply other threads:[~2022-07-12 19:20 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-12 18:56 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2022-11-04 9:12 drivers/clk/pxa/clk-pxa3xx.c:167:9: sparse: sparse: Using plain integer as NULL pointer kernel test robot
2023-05-11 5:56 kernel test robot
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=202207130219.0wWooaZN-lkp@intel.com \
--to=lkp@intel.com \
--cc=arnd@arndb.de \
--cc=kbuild-all@lists.01.org \
--cc=linux-kernel@vger.kernel.org \
/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