* Re: [PATCH 4/4] net: stmmac: Add glue layer for Sophgo SG2044 SoC
[not found] <20241021103617.653386-5-inochiama@gmail.com>
@ 2024-10-22 11:04 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2024-10-22 11:04 UTC (permalink / raw)
To: Inochi Amaoto, Chen Wang, Andrew Lunn, David S. Miller,
Eric Dumazet, Jakub Kicinski, Paolo Abeni, Rob Herring,
Krzysztof Kozlowski, Conor Dooley, Inochi Amaoto,
Alexandre Torgue, Jose Abreu, Maxime Coquelin, Richard Cochran,
Paul Walmsley, Palmer Dabbelt, Albert Ou, Giuseppe Cavallaro
Cc: llvm, oe-kbuild-all, netdev, Yixun Lan, devicetree, linux-kernel,
linux-stm32, linux-arm-kernel, linux-riscv
Hi Inochi,
kernel test robot noticed the following build warnings:
[auto build test WARNING on robh/for-next]
[also build test WARNING on sophgo/for-next sophgo/fixes net-next/main net/main linus/master v6.12-rc4 next-20241021]
[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/Inochi-Amaoto/dt-bindings-net-snps-dwmac-Add-dwmac-5-30a-version/20241021-184301
base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
patch link: https://lore.kernel.org/r/20241021103617.653386-5-inochiama%40gmail.com
patch subject: [PATCH 4/4] net: stmmac: Add glue layer for Sophgo SG2044 SoC
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20241022/202410221853.0nt4WyvW-lkp@intel.com/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241022/202410221853.0nt4WyvW-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202410221853.0nt4WyvW-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> drivers/net/ethernet/stmicro/stmmac/dwmac-sophgo.c:41:2: warning: variable 'rate' is used uninitialized whenever switch default is taken [-Wsometimes-uninitialized]
41 | default:
| ^~~~~~~
drivers/net/ethernet/stmicro/stmmac/dwmac-sophgo.c:46:36: note: uninitialized use occurs here
46 | ret = clk_set_rate(dwmac->clk_tx, rate);
| ^~~~
drivers/net/ethernet/stmicro/stmmac/dwmac-sophgo.c:28:20: note: initialize the variable 'rate' to silence this warning
28 | unsigned long rate;
| ^
| = 0
1 warning 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 +/rate +41 drivers/net/ethernet/stmicro/stmmac/dwmac-sophgo.c
24
25 static void sophgo_dwmac_fix_mac_speed(void *priv, unsigned int speed, unsigned int mode)
26 {
27 struct sophgo_dwmac *dwmac = priv;
28 unsigned long rate;
29 int ret;
30
31 switch (speed) {
32 case SPEED_1000:
33 rate = 125000000;
34 break;
35 case SPEED_100:
36 rate = 25000000;
37 break;
38 case SPEED_10:
39 rate = 2500000;
40 break;
> 41 default:
42 dev_err(dwmac->dev, "invalid speed %u\n", speed);
43 break;
44 }
45
46 ret = clk_set_rate(dwmac->clk_tx, rate);
47 if (ret)
48 dev_err(dwmac->dev, "failed to set tx rate %lu\n", rate);
49 }
50
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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