Re: [PATCH net-next 2/2] net: phy: aquantia: allow forcing order of MDI pairs
From: kernel test robot
Date: Thu Aug 22 2024 - 04:05:15 EST
Hi Daniel,
kernel test robot noticed the following build warnings:
[auto build test WARNING on net-next/main]
url: https://github.com/intel-lab-lkp/linux/commits/Daniel-Golle/net-phy-aquantia-allow-forcing-order-of-MDI-pairs/20240821-210717
base: net-next/main
patch link: https://lore.kernel.org/r/ed46220cc4c52d630fc481c8148fc749242c368d.1724244281.git.daniel%40makrotopia.org
patch subject: [PATCH net-next 2/2] net: phy: aquantia: allow forcing order of MDI pairs
config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20240822/202408221523.6Cc0ADf9-lkp@xxxxxxxxx/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 26670e7fa4f032a019d23d56c6a02926e854e8af)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240822/202408221523.6Cc0ADf9-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202408221523.6Cc0ADf9-lkp@xxxxxxxxx/
All warnings (new ones prefixed by >>):
In file included from drivers/net/phy/aquantia/aquantia_main.c:15:
In file included from include/linux/phy.h:16:
In file included from include/linux/ethtool.h:18:
In file included from include/linux/if_ether.h:19:
In file included from include/linux/skbuff.h:17:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:10:
In file included from include/linux/mm.h:2228:
include/linux/vmstat.h:514:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
514 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
In file included from drivers/net/phy/aquantia/aquantia_main.c:15:
In file included from include/linux/phy.h:16:
In file included from include/linux/ethtool.h:18:
In file included from include/linux/if_ether.h:19:
In file included from include/linux/skbuff.h:17:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:14:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
548 | val = __raw_readb(PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
561 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
| ^
In file included from drivers/net/phy/aquantia/aquantia_main.c:15:
In file included from include/linux/phy.h:16:
In file included from include/linux/ethtool.h:18:
In file included from include/linux/if_ether.h:19:
In file included from include/linux/skbuff.h:17:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:14:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
574 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
| ^
In file included from drivers/net/phy/aquantia/aquantia_main.c:15:
In file included from include/linux/phy.h:16:
In file included from include/linux/ethtool.h:18:
In file included from include/linux/if_ether.h:19:
In file included from include/linux/skbuff.h:17:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:14:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
585 | __raw_writeb(value, PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
595 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
605 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
>> drivers/net/phy/aquantia/aquantia_main.c:483:5: warning: no previous prototype for function 'aqr107_config_mdi' [-Wmissing-prototypes]
483 | int aqr107_config_mdi(struct phy_device *phydev)
| ^
drivers/net/phy/aquantia/aquantia_main.c:483:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
483 | int aqr107_config_mdi(struct phy_device *phydev)
| ^
| static
8 warnings generated.
vim +/aqr107_config_mdi +483 drivers/net/phy/aquantia/aquantia_main.c
482
> 483 int aqr107_config_mdi(struct phy_device *phydev)
484 {
485 struct device_node *np = phydev->mdio.dev.of_node;
486 bool force_normal, force_reverse;
487
488 force_normal = of_property_read_bool(np, "marvell,force-mdi-order-normal");
489 force_reverse = of_property_read_bool(np, "marvell,force-mdi-order-reverse");
490
491 if (force_normal && force_reverse)
492 return -EINVAL;
493
494 if (force_normal)
495 return phy_modify_mmd(phydev, MDIO_MMD_PMAPMD, PMAPMD_RSVD_VEND_PROV,
496 PMAPMD_RSVD_VEND_PROV_MDI_CONF,
497 PMAPMD_RSVD_VEND_PROV_MDI_FORCE);
498
499 if (force_reverse)
500 return phy_modify_mmd(phydev, MDIO_MMD_PMAPMD, PMAPMD_RSVD_VEND_PROV,
501 PMAPMD_RSVD_VEND_PROV_MDI_CONF,
502 PMAPMD_RSVD_VEND_PROV_MDI_REVERSE |
503 PMAPMD_RSVD_VEND_PROV_MDI_FORCE);
504
505 return 0;
506 }
507
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki