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Message-ID: <202408080419.a2PXcqh8-lkp@intel.com>
Date: Thu, 8 Aug 2024 04:36:00 +0800
From: kernel test robot <lkp@...el.com>
To: "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>,
Andrew Lunn <andrew@...n.ch>,
Heiner Kallweit <hkallweit1@...il.com>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
netdev@...r.kernel.org
Subject: Re: [PATCH net-next] net: phylib: do not disable autoneg for fixed
speeds >= 1G
Hi Russell,
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/Russell-King-Oracle/net-phylib-do-not-disable-autoneg-for-fixed-speeds-1G/20240807-185909
base: net-next/main
patch link: https://lore.kernel.org/r/E1sbdxI-0024Eo-HE%40rmk-PC.armlinux.org.uk
patch subject: [PATCH net-next] net: phylib: do not disable autoneg for fixed speeds >= 1G
config: i386-buildonly-randconfig-004-20240808 (https://download.01.org/0day-ci/archive/20240808/202408080419.a2PXcqh8-lkp@intel.com/config)
compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240808/202408080419.a2PXcqh8-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/202408080419.a2PXcqh8-lkp@intel.com/
All errors (new ones prefixed by >>):
>> drivers/net/phy/phy_device.c:2124:34: error: passing 'const unsigned long *' to parameter of type 'unsigned long *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
2124 | adv = linkmode_adv_to_mii_adv_t(advert);
| ^~~~~~
include/linux/mii.h:143:60: note: passing argument to parameter 'advertising' here
143 | static inline u32 linkmode_adv_to_mii_adv_t(unsigned long *advertising)
| ^
drivers/net/phy/phy_device.c:2147:39: error: passing 'const unsigned long *' to parameter of type 'unsigned long *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
2147 | adv = linkmode_adv_to_mii_ctrl1000_t(advert);
| ^~~~~~
include/linux/mii.h:218:65: note: passing argument to parameter 'advertising' here
218 | static inline u32 linkmode_adv_to_mii_ctrl1000_t(unsigned long *advertising)
| ^
>> drivers/net/phy/phy_device.c:2401:4: error: call to undeclared function 'linkmode_set'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
2401 | linkmode_set(set->bit, fixed_advert);
| ^
3 errors generated.
vim +2124 drivers/net/phy/phy_device.c
2107
2108 /**
2109 * genphy_config_advert - sanitize and advertise auto-negotiation parameters
2110 * @phydev: target phy_device struct
2111 * @advert: auto-negotiation parameters to advertise
2112 *
2113 * Description: Writes MII_ADVERTISE with the appropriate values,
2114 * after sanitizing the values to make sure we only advertise
2115 * what is supported. Returns < 0 on error, 0 if the PHY's advertisement
2116 * hasn't changed, and > 0 if it has changed.
2117 */
2118 static int genphy_config_advert(struct phy_device *phydev,
2119 const unsigned long *advert)
2120 {
2121 int err, bmsr, changed = 0;
2122 u32 adv;
2123
> 2124 adv = linkmode_adv_to_mii_adv_t(advert);
2125
2126 /* Setup standard advertisement */
2127 err = phy_modify_changed(phydev, MII_ADVERTISE,
2128 ADVERTISE_ALL | ADVERTISE_100BASE4 |
2129 ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM,
2130 adv);
2131 if (err < 0)
2132 return err;
2133 if (err > 0)
2134 changed = 1;
2135
2136 bmsr = phy_read(phydev, MII_BMSR);
2137 if (bmsr < 0)
2138 return bmsr;
2139
2140 /* Per 802.3-2008, Section 22.2.4.2.16 Extended status all
2141 * 1000Mbits/sec capable PHYs shall have the BMSR_ESTATEN bit set to a
2142 * logical 1.
2143 */
2144 if (!(bmsr & BMSR_ESTATEN))
2145 return changed;
2146
2147 adv = linkmode_adv_to_mii_ctrl1000_t(advert);
2148
2149 err = phy_modify_changed(phydev, MII_CTRL1000,
2150 ADVERTISE_1000FULL | ADVERTISE_1000HALF,
2151 adv);
2152 if (err < 0)
2153 return err;
2154 if (err > 0)
2155 changed = 1;
2156
2157 return changed;
2158 }
2159
--
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https://github.com/intel/lkp-tests/wiki
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