lkml.org 
[lkml]   [2022]   [Jul]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
Subjectdrivers/clk/pxa/clk-pxa3xx.c:167:9: sparse: sparse: Using plain integer as NULL pointer
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

\
 
 \ /
  Last update: 2022-07-12 21:20    [W:0.022 / U:0.244 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site