From: kernel test robot <lkp@intel.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: drivers/clk/pxa/clk-pxa3xx.c:167:9: sparse: sparse: Using plain integer as NULL pointer
Date: Thu, 11 May 2023 13:56:58 +0800 [thread overview]
Message-ID: <202305111301.RAHohdob-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 80e62bc8487b049696e67ad133c503bf7f6806f7
commit: 3c816d950a494ae6e16b1fa017af29bc53cb7791 ARM: pxa: move clk register definitions to driver
date: 1 year ago
config: arm-randconfig-s053-20230511 (https://download.01.org/0day-ci/archive/20230511/202305111301.RAHohdob-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0
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=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm SHELL=/bin/bash arch/arm/mach-lpc32xx/ arch/arm/mach-orion5x/ arch/arm/mach-spear/ arch/arm/mm/ drivers/clk/pxa/ drivers/irqchip/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202305111301.RAHohdob-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://github.com/intel/lkp-tests
next reply other threads:[~2023-05-11 5:58 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-11 5:56 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
2022-07-12 18:56 kernel test robot
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