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Message-ID: <202410221853.0nt4WyvW-lkp@intel.com>
Date: Tue, 22 Oct 2024 19:04:36 +0800
From: kernel test robot <lkp@...el.com>
To: Inochi Amaoto <inochiama@...il.com>,
Chen Wang <unicorn_wang@...look.com>,
Andrew Lunn <andrew+netdev@...n.ch>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Inochi Amaoto <inochiama@...look.com>,
Alexandre Torgue <alexandre.torgue@...s.st.com>,
Jose Abreu <joabreu@...opsys.com>,
Maxime Coquelin <mcoquelin.stm32@...il.com>,
Richard Cochran <richardcochran@...il.com>,
Paul Walmsley <paul.walmsley@...ive.com>,
Palmer Dabbelt <palmer@...belt.com>,
Albert Ou <aou@...s.berkeley.edu>,
Giuseppe Cavallaro <peppe.cavallaro@...com>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
netdev@...r.kernel.org, Yixun Lan <dlan@...too.org>,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-stm32@...md-mailman.stormreply.com,
linux-arm-kernel@...ts.infradead.org,
linux-riscv@...ts.infradead.org
Subject: Re: [PATCH 4/4] net: stmmac: Add glue layer for Sophgo SG2044 SoC
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@...el.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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