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Message-ID: <202509061559.nSYmNbyV-lkp@intel.com>
Date: Sat, 6 Sep 2025 16:19:34 +0800
From: kernel test robot <lkp@...el.com>
To: David Yang <mmyangfl@...il.com>, netdev@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, David Yang <mmyangfl@...il.com>,
Andrew Lunn <andrew@...n.ch>, Vladimir Oltean <olteanv@...il.com>,
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>, Simon Horman <horms@...nel.org>,
Russell King <linux@...linux.org.uk>, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next v7 3/3] net: dsa: yt921x: Add support for
Motorcomm YT921x
Hi David,
kernel test robot noticed the following build warnings:
[auto build test WARNING on net/main]
[also build test WARNING on linus/master v6.17-rc4 next-20250905]
[cannot apply to net-next/main horms-ipvs/master]
[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/David-Yang/dt-bindings-net-dsa-yt921x-Add-Motorcomm-YT921x-switch-support/20250906-021942
base: net/main
patch link: https://lore.kernel.org/r/20250905181728.3169479-4-mmyangfl%40gmail.com
patch subject: [PATCH net-next v7 3/3] net: dsa: yt921x: Add support for Motorcomm YT921x
config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20250906/202509061559.nSYmNbyV-lkp@intel.com/config)
compiler: sh4-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250906/202509061559.nSYmNbyV-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/202509061559.nSYmNbyV-lkp@intel.com/
All warnings (new ones prefixed by >>):
drivers/net/dsa/yt921x.c: In function 'yt921x_set_eee':
>> drivers/net/dsa/yt921x.c:1045:24: warning: unused variable 'dev' [-Wunused-variable]
1045 | struct device *dev = to_device(priv);
| ^~~
drivers/net/dsa/yt921x.c: In function 'yt921x_dsa_port_change_mtu':
drivers/net/dsa/yt921x.c:1110:24: warning: unused variable 'dev' [-Wunused-variable]
1110 | struct device *dev = to_device(priv);
| ^~~
drivers/net/dsa/yt921x.c: In function 'yt921x_dsa_port_mirror_add':
drivers/net/dsa/yt921x.c:1161:24: warning: unused variable 'dev' [-Wunused-variable]
1161 | struct device *dev = to_device(priv);
| ^~~
drivers/net/dsa/yt921x.c: In function 'yt921x_dsa_port_fdb_dump':
drivers/net/dsa/yt921x.c:1579:24: warning: unused variable 'dev' [-Wunused-variable]
1579 | struct device *dev = to_device(priv);
| ^~~
drivers/net/dsa/yt921x.c: In function 'yt921x_dsa_set_ageing_time':
drivers/net/dsa/yt921x.c:1611:24: warning: unused variable 'dev' [-Wunused-variable]
1611 | struct device *dev = to_device(priv);
| ^~~
drivers/net/dsa/yt921x.c: In function 'yt921x_dsa_port_fdb_del':
drivers/net/dsa/yt921x.c:1636:24: warning: unused variable 'dev' [-Wunused-variable]
1636 | struct device *dev = to_device(priv);
| ^~~
drivers/net/dsa/yt921x.c: In function 'yt921x_dsa_port_fdb_add':
drivers/net/dsa/yt921x.c:1651:24: warning: unused variable 'dev' [-Wunused-variable]
1651 | struct device *dev = to_device(priv);
| ^~~
drivers/net/dsa/yt921x.c: In function 'yt921x_dsa_port_mdb_del':
drivers/net/dsa/yt921x.c:1668:24: warning: unused variable 'dev' [-Wunused-variable]
1668 | struct device *dev = to_device(priv);
| ^~~
drivers/net/dsa/yt921x.c: In function 'yt921x_dsa_port_mdb_add':
drivers/net/dsa/yt921x.c:1686:24: warning: unused variable 'dev' [-Wunused-variable]
1686 | struct device *dev = to_device(priv);
| ^~~
drivers/net/dsa/yt921x.c: In function 'yt921x_dsa_port_vlan_filtering':
drivers/net/dsa/yt921x.c:1849:24: warning: unused variable 'dev' [-Wunused-variable]
1849 | struct device *dev = to_device(priv);
| ^~~
drivers/net/dsa/yt921x.c: In function 'yt921x_dsa_port_vlan_del':
drivers/net/dsa/yt921x.c:1867:24: warning: unused variable 'dev' [-Wunused-variable]
1867 | struct device *dev = to_device(priv);
| ^~~
drivers/net/dsa/yt921x.c: In function 'yt921x_dsa_port_vlan_add':
drivers/net/dsa/yt921x.c:1900:24: warning: unused variable 'dev' [-Wunused-variable]
1900 | struct device *dev = to_device(priv);
| ^~~
drivers/net/dsa/yt921x.c: In function 'yt921x_dsa_port_bridge_flags':
drivers/net/dsa/yt921x.c:2148:24: warning: unused variable 'dev' [-Wunused-variable]
2148 | struct device *dev = to_device(priv);
| ^~~
drivers/net/dsa/yt921x.c: In function 'yt921x_dsa_port_bridge_join':
drivers/net/dsa/yt921x.c:2187:24: warning: unused variable 'dev' [-Wunused-variable]
2187 | struct device *dev = to_device(priv);
| ^~~
drivers/net/dsa/yt921x.c: In function 'yt921x_dsa_port_setup':
drivers/net/dsa/yt921x.c:2557:24: warning: unused variable 'dev' [-Wunused-variable]
2557 | struct device *dev = to_device(priv);
| ^~~
vim +/dev +1045 drivers/net/dsa/yt921x.c
1041
1042 static int
1043 yt921x_set_eee(struct yt921x_priv *priv, int port, struct ethtool_keee *e)
1044 {
> 1045 struct device *dev = to_device(priv);
1046 bool enable = e->eee_enabled;
1047 u16 new_mask;
1048 int res;
1049
1050 /* Enable / disable global EEE */
1051 new_mask = priv->eee_ports_mask;
1052 new_mask &= ~BIT(port);
1053 new_mask |= !enable ? 0 : BIT(port);
1054
1055 if (!!new_mask != !!priv->eee_ports_mask) {
1056 res = yt921x_reg_toggle_bits(priv, YT921X_PON_STRAP_FUNC,
1057 YT921X_PON_STRAP_EEE, !!new_mask);
1058 if (res)
1059 return res;
1060 res = yt921x_reg_toggle_bits(priv, YT921X_PON_STRAP_VAL,
1061 YT921X_PON_STRAP_EEE, !!new_mask);
1062 if (res)
1063 return res;
1064 }
1065
1066 priv->eee_ports_mask = new_mask;
1067
1068 /* Enable / disable port EEE */
1069 res = yt921x_reg_toggle_bits(priv, YT921X_EEE_CTRL,
1070 YT921X_EEE_CTRL_ENn(port), enable);
1071 if (res)
1072 return res;
1073 res = yt921x_reg_toggle_bits(priv, YT921X_EEEn_VAL(port),
1074 YT921X_EEE_VAL_DATA, enable);
1075 if (res)
1076 return res;
1077
1078 return 0;
1079 }
1080
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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