* Re: [PATCH v1 net-next 1/2] net: mscc: ocelot: utilize readx_poll_timeout() for chip reset
[not found] <20220916191349.1659269-2-colin.foster@in-advantage.com>
@ 2022-09-17 4:05 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2022-09-17 4:05 UTC (permalink / raw)
To: Colin Foster, linux-kernel, netdev
Cc: llvm, kbuild-all, Paolo Abeni, Jakub Kicinski, Eric Dumazet,
UNGLinuxDriver, Alexandre Belloni, Claudiu Manoil,
Vladimir Oltean
Hi Colin,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on net-next/master]
url: https://github.com/intel-lab-lkp/linux/commits/Colin-Foster/clean-up-ocelot_reset-routine/20220917-031554
base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 862deb68c1bc19783ab7a98ba17a441aa76eba52
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20220917/202209171105.95JOLHu6-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/intel-lab-lkp/linux/commit/11df0e8e7af298721b4bb1af286571272dd0d56e
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Colin-Foster/clean-up-ocelot_reset-routine/20220917-031554
git checkout 11df0e8e7af298721b4bb1af286571272dd0d56e
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/net/ethernet/mscc/
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/net/ethernet/mscc/ocelot_vsc7514.c:222:6: warning: cast to 'void *' from smaller integer type 'int' [-Wint-to-void-pointer-cast]
if (IS_ERR_VALUE(err))
^~~~~~~~~~~~~~~~~
include/linux/err.h:22:49: note: expanded from macro 'IS_ERR_VALUE'
#define IS_ERR_VALUE(x) unlikely((unsigned long)(void *)(x) >= (unsigned long)-MAX_ERRNO)
~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:78:42: note: expanded from macro 'unlikely'
# define unlikely(x) __builtin_expect(!!(x), 0)
^
1 warning generated.
vim +222 drivers/net/ethernet/mscc/ocelot_vsc7514.c
208
209 static int ocelot_reset(struct ocelot *ocelot)
210 {
211 int err;
212 u32 val;
213
214 regmap_field_write(ocelot->regfields[SYS_RESET_CFG_MEM_INIT], 1);
215 regmap_field_write(ocelot->regfields[SYS_RESET_CFG_MEM_ENA], 1);
216
217 /* MEM_INIT is a self-clearing bit. Wait for it to be cleared (should be
218 * 100us) before enabling the switch core.
219 */
220 err = readx_poll_timeout(ocelot_mem_init_status, ocelot, val, !val,
221 MEM_INIT_SLEEP_US, MEM_INIT_TIMEOUT_US);
> 222 if (IS_ERR_VALUE(err))
223 return err;
224
225 regmap_field_write(ocelot->regfields[SYS_RESET_CFG_MEM_ENA], 1);
226 regmap_field_write(ocelot->regfields[SYS_RESET_CFG_CORE_ENA], 1);
227
228 return 0;
229 }
230
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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2022-09-17 4:05 ` [PATCH v1 net-next 1/2] net: mscc: ocelot: utilize readx_poll_timeout() for chip reset kernel test robot
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