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Message-ID: <202601180336.eVmDVfHL-lkp@intel.com>
Date: Sun, 18 Jan 2026 04:05:22 +0800
From: kernel test robot <lkp@...el.com>
To: Daniel Golle <daniel@...rotopia.org>, Hauke Mehrtens <hauke@...ke-m.de>,
Andrew Lunn <andrew@...n.ch>, Vladimir Oltean <olteanv@...il.com>,
"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>,
Russell King <linux@...linux.org.uk>, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, netdev@...r.kernel.org,
Chen Minqiang <ptpt52@...il.com>,
Xinfa Deng <xinfa.deng@...inet.com>
Subject: Re: [PATCH net-next v4 3/6] net: dsa: lantiq: allow arbitrary MII
registers
Hi Daniel,
kernel test robot noticed the following build errors:
[auto build test ERROR on net-next/main]
url: https://github.com/intel-lab-lkp/linux/commits/Daniel-Golle/dt-bindings-net-dsa-lantiq-gswip-use-correct-node-name/20260117-092406
base: net-next/main
patch link: https://lore.kernel.org/r/d5cbb8c5917197d44b62d39c9799212d1b3fe390.1768612113.git.daniel%40makrotopia.org
patch subject: [PATCH net-next v4 3/6] net: dsa: lantiq: allow arbitrary MII registers
config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20260118/202601180336.eVmDVfHL-lkp@intel.com/config)
compiler: sh4-linux-gcc (GCC) 15.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260118/202601180336.eVmDVfHL-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/202601180336.eVmDVfHL-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from drivers/net/dsa/lantiq/mxl-gsw1xx.c:23:
>> drivers/net/dsa/lantiq/mxl-gsw1xx.h:14:49: error: array index range in initializer exceeds array bounds
14 | #define GSW1XX_MII_PORT 5
| ^
drivers/net/dsa/lantiq/mxl-gsw1xx.c:708:18: note: in expansion of macro 'GSW1XX_MII_PORT'
708 | [GSW1XX_MII_PORT + 1 ... GSWIP_MAX_PORTS] = -1,
| ^~~~~~~~~~~~~~~
drivers/net/dsa/lantiq/mxl-gsw1xx.h:14:49: note: (near initialization for 'gsw12x_data.mii_cfg')
14 | #define GSW1XX_MII_PORT 5
| ^
drivers/net/dsa/lantiq/mxl-gsw1xx.c:708:18: note: in expansion of macro 'GSW1XX_MII_PORT'
708 | [GSW1XX_MII_PORT + 1 ... GSWIP_MAX_PORTS] = -1,
| ^~~~~~~~~~~~~~~
>> drivers/net/dsa/lantiq/mxl-gsw1xx.h:14:49: error: array index range in initializer exceeds array bounds
14 | #define GSW1XX_MII_PORT 5
| ^
drivers/net/dsa/lantiq/mxl-gsw1xx.c:713:18: note: in expansion of macro 'GSW1XX_MII_PORT'
713 | [GSW1XX_MII_PORT + 1 ... GSWIP_MAX_PORTS] = -1,
| ^~~~~~~~~~~~~~~
drivers/net/dsa/lantiq/mxl-gsw1xx.h:14:49: note: (near initialization for 'gsw12x_data.mii_pcdu')
14 | #define GSW1XX_MII_PORT 5
| ^
drivers/net/dsa/lantiq/mxl-gsw1xx.c:713:18: note: in expansion of macro 'GSW1XX_MII_PORT'
713 | [GSW1XX_MII_PORT + 1 ... GSWIP_MAX_PORTS] = -1,
| ^~~~~~~~~~~~~~~
In file included from drivers/net/dsa/lantiq/mxl-gsw1xx.c:22:
drivers/net/dsa/lantiq/lantiq_gswip.h:60:41: warning: initialized field overwritten [-Woverride-init]
60 | #define GSWIP_MII_CFGp(p) (0x2 * (p))
| ^
drivers/net/dsa/lantiq/mxl-gsw1xx.c:749:37: note: in expansion of macro 'GSWIP_MII_CFGp'
749 | [GSW1XX_MII_PORT] = GSWIP_MII_CFGp(0),
| ^~~~~~~~~~~~~~
drivers/net/dsa/lantiq/lantiq_gswip.h:60:41: note: (near initialization for 'gsw141_data.mii_cfg[5]')
60 | #define GSWIP_MII_CFGp(p) (0x2 * (p))
| ^
drivers/net/dsa/lantiq/mxl-gsw1xx.c:749:37: note: in expansion of macro 'GSWIP_MII_CFGp'
749 | [GSW1XX_MII_PORT] = GSWIP_MII_CFGp(0),
| ^~~~~~~~~~~~~~
drivers/net/dsa/lantiq/mxl-gsw1xx.c:750:65: warning: initialized field overwritten [-Woverride-init]
750 | [GSW1XX_MII_PORT + 1 ... GSWIP_MAX_PORTS - 1] = -1,
| ^
drivers/net/dsa/lantiq/mxl-gsw1xx.c:750:65: note: (near initialization for 'gsw141_data.mii_cfg[6]')
drivers/net/dsa/lantiq/lantiq_gswip.h:80:41: warning: initialized field overwritten [-Woverride-init]
80 | #define GSWIP_MII_PCDU0 0x01
| ^~~~
drivers/net/dsa/lantiq/mxl-gsw1xx.c:754:37: note: in expansion of macro 'GSWIP_MII_PCDU0'
754 | [GSW1XX_MII_PORT] = GSWIP_MII_PCDU0,
| ^~~~~~~~~~~~~~~
drivers/net/dsa/lantiq/lantiq_gswip.h:80:41: note: (near initialization for 'gsw141_data.mii_pcdu[5]')
80 | #define GSWIP_MII_PCDU0 0x01
| ^~~~
drivers/net/dsa/lantiq/mxl-gsw1xx.c:754:37: note: in expansion of macro 'GSWIP_MII_PCDU0'
754 | [GSW1XX_MII_PORT] = GSWIP_MII_PCDU0,
| ^~~~~~~~~~~~~~~
drivers/net/dsa/lantiq/mxl-gsw1xx.c:755:65: warning: initialized field overwritten [-Woverride-init]
755 | [GSW1XX_MII_PORT + 1 ... GSWIP_MAX_PORTS - 1] = -1,
| ^
drivers/net/dsa/lantiq/mxl-gsw1xx.c:755:65: note: (near initialization for 'gsw141_data.mii_pcdu[6]')
vim +14 drivers/net/dsa/lantiq/mxl-gsw1xx.h
22335939ec907c Daniel Golle 2025-11-03 11
22335939ec907c Daniel Golle 2025-11-03 12 #define GSW1XX_PORTS 6
22335939ec907c Daniel Golle 2025-11-03 13 /* Port used for RGMII or optional RMII */
22335939ec907c Daniel Golle 2025-11-03 @14 #define GSW1XX_MII_PORT 5
22335939ec907c Daniel Golle 2025-11-03 15 /* Port used for SGMII */
22335939ec907c Daniel Golle 2025-11-03 16 #define GSW1XX_SGMII_PORT 4
22335939ec907c Daniel Golle 2025-11-03 17
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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