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Message-ID: <202411131750.bsCkQYb6-lkp@intel.com>
Date: Wed, 13 Nov 2024 18:00:19 +0800
From: kernel test robot <lkp@...el.com>
To: Ragavendra <ragavendra.bn@...il.com>, mturquette@...libre.com,
sboyd@...nel.org, unicorn_wang@...look.com, inochiama@...look.com
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org,
Ragavendra <ragavendra.bn@...il.com>
Subject: Re: [PATCH] clk:sophgo:clk-cv18xx-pll: Remove uninitialized u32
parameter and variable
Hi Ragavendra,
kernel test robot noticed the following build errors:
[auto build test ERROR on sophgo/for-next]
[also build test ERROR on sophgo/fixes linus/master v6.12-rc7 next-20241112]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Ragavendra/clk-sophgo-clk-cv18xx-pll-Remove-uninitialized-u32-parameter-and-variable/20241113-105536
base: https://github.com/sophgo/linux.git for-next
patch link: https://lore.kernel.org/r/20241113025318.3667350-1-ragavendra.bn%40gmail.com
patch subject: [PATCH] clk:sophgo:clk-cv18xx-pll: Remove uninitialized u32 parameter and variable
config: arm-randconfig-001-20241113 (https://download.01.org/0day-ci/archive/20241113/202411131750.bsCkQYb6-lkp@intel.com/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 592c0fe55f6d9a811028b5f3507be91458ab2713)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241113/202411131750.bsCkQYb6-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202411131750.bsCkQYb6-lkp@intel.com/
All errors (new ones prefixed by >>):
>> drivers/clk/sophgo/clk-cv18xx-pll.c:80:4: error: use of undeclared identifier 'value'
80 | *value = detected;
| ^
1 error generated.
Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for MODVERSIONS
Depends on [n]: MODULES [=y] && !COMPILE_TEST [=y]
Selected by [y]:
- RANDSTRUCT_FULL [=y] && (CC_HAS_RANDSTRUCT [=y] || GCC_PLUGINS [=n]) && MODULES [=y]
vim +/value +80 drivers/clk/sophgo/clk-cv18xx-pll.c
80fd61ec46124e Inochi Amaoto 2024-03-09 46
d666c0d9d14eb5 Ragavendra 2024-11-12 47
80fd61ec46124e Inochi Amaoto 2024-03-09 48 static int ipll_find_rate(const struct cv1800_clk_pll_limit *limit,
d666c0d9d14eb5 Ragavendra 2024-11-12 49 unsigned long prate, unsigned long *rate)
80fd61ec46124e Inochi Amaoto 2024-03-09 50 {
80fd61ec46124e Inochi Amaoto 2024-03-09 51 unsigned long best_rate = 0;
80fd61ec46124e Inochi Amaoto 2024-03-09 52 unsigned long trate = *rate;
80fd61ec46124e Inochi Amaoto 2024-03-09 53 unsigned long pre_div_sel = 0, div_sel = 0, post_div_sel = 0;
80fd61ec46124e Inochi Amaoto 2024-03-09 54 unsigned long pre, div, post;
d666c0d9d14eb5 Ragavendra 2024-11-12 55 u32 detected = 0;
80fd61ec46124e Inochi Amaoto 2024-03-09 56 unsigned long tmp;
80fd61ec46124e Inochi Amaoto 2024-03-09 57
80fd61ec46124e Inochi Amaoto 2024-03-09 58 for_each_pll_limit_range(pre, &limit->pre_div) {
80fd61ec46124e Inochi Amaoto 2024-03-09 59 for_each_pll_limit_range(div, &limit->div) {
80fd61ec46124e Inochi Amaoto 2024-03-09 60 for_each_pll_limit_range(post, &limit->post_div) {
80fd61ec46124e Inochi Amaoto 2024-03-09 61 tmp = ipll_calc_rate(prate, pre, div, post);
80fd61ec46124e Inochi Amaoto 2024-03-09 62
80fd61ec46124e Inochi Amaoto 2024-03-09 63 if (tmp > trate)
80fd61ec46124e Inochi Amaoto 2024-03-09 64 continue;
80fd61ec46124e Inochi Amaoto 2024-03-09 65
80fd61ec46124e Inochi Amaoto 2024-03-09 66 if ((trate - tmp) < (trate - best_rate)) {
80fd61ec46124e Inochi Amaoto 2024-03-09 67 best_rate = tmp;
80fd61ec46124e Inochi Amaoto 2024-03-09 68 pre_div_sel = pre;
80fd61ec46124e Inochi Amaoto 2024-03-09 69 div_sel = div;
80fd61ec46124e Inochi Amaoto 2024-03-09 70 post_div_sel = post;
80fd61ec46124e Inochi Amaoto 2024-03-09 71 }
80fd61ec46124e Inochi Amaoto 2024-03-09 72 }
80fd61ec46124e Inochi Amaoto 2024-03-09 73 }
80fd61ec46124e Inochi Amaoto 2024-03-09 74 }
80fd61ec46124e Inochi Amaoto 2024-03-09 75
80fd61ec46124e Inochi Amaoto 2024-03-09 76 if (best_rate) {
80fd61ec46124e Inochi Amaoto 2024-03-09 77 detected = PLL_SET_PRE_DIV_SEL(detected, pre_div_sel);
80fd61ec46124e Inochi Amaoto 2024-03-09 78 detected = PLL_SET_POST_DIV_SEL(detected, post_div_sel);
80fd61ec46124e Inochi Amaoto 2024-03-09 79 detected = PLL_SET_DIV_SEL(detected, div_sel);
80fd61ec46124e Inochi Amaoto 2024-03-09 @80 *value = detected;
80fd61ec46124e Inochi Amaoto 2024-03-09 81 *rate = best_rate;
80fd61ec46124e Inochi Amaoto 2024-03-09 82 return 0;
80fd61ec46124e Inochi Amaoto 2024-03-09 83 }
80fd61ec46124e Inochi Amaoto 2024-03-09 84
80fd61ec46124e Inochi Amaoto 2024-03-09 85 return -EINVAL;
80fd61ec46124e Inochi Amaoto 2024-03-09 86 }
80fd61ec46124e Inochi Amaoto 2024-03-09 87
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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