netdev - Re: [PATCH] net: phy: Add RGMII_ID/TXID/RXID handling to the DP83822 driver

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Message-ID: <202107190308.W0Vr4xnA-lkp@intel.com>
Date:   Mon, 19 Jul 2021 03:31:23 +0800
From:   kernel test robot <lkp@...el.com>
To:     Marek Vasut <marex@...x.de>, netdev@...r.kernel.org
Cc:     clang-built-linux@...glegroups.com, kbuild-all@...ts.01.org,
        Marek Vasut <marex@...x.de>,
        Florian Fainelli <f.fainelli@...il.com>,
        Dan Murphy <dmurphy@...com>,
        "David S . Miller" <davem@...emloft.net>
Subject: Re: [PATCH] net: phy: Add RGMII_ID/TXID/RXID handling to the DP83822
 driver

Hi Marek,

I love your patch! Yet something to improve:

[auto build test ERROR on net/master]
[also build test ERROR on ipvs/master linus/master v5.14-rc1 next-20210716]
[cannot apply to net-next/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]

url:    https://github.com/0day-ci/linux/commits/Marek-Vasut/net-phy-Add-RGMII_ID-TXID-RXID-handling-to-the-DP83822-driver/20210718-111900
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git 20192d9c9f6ae447c461285c915502ffbddf5696
config: arm-randconfig-r034-20210718 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 5d5b08761f944d5b9822d582378333cc4b36a0a7)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install arm cross compiling tool for clang build
        # apt-get install binutils-arm-linux-gnueabi
        # https://github.com/0day-ci/linux/commit/531a8b9dc73d7244ee6452e4b951f4637da20ded
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Marek-Vasut/net-phy-Add-RGMII_ID-TXID-RXID-handling-to-the-DP83822-driver/20210718-111900
        git checkout 531a8b9dc73d7244ee6452e4b951f4637da20ded
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=arm SHELL=/bin/bash drivers/net/phy/ fs/ceph/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

>> drivers/net/phy/dp83822.c:335:2: error: use of undeclared identifier 'ret'
           ret = phy_clear_bits_mmd(phydev, DP83822_DEVADDR,
           ^
   drivers/net/phy/dp83822.c:337:6: error: use of undeclared identifier 'ret'
           if (ret < 0)
               ^
   drivers/net/phy/dp83822.c:338:10: error: use of undeclared identifier 'ret'
                   return ret;
                          ^
   drivers/net/phy/dp83822.c:342:3: error: use of undeclared identifier 'ret'
                   ret = phy_modify_mmd(phydev, DP83822_DEVADDR, MII_DP83822_RCSR,
                   ^
   drivers/net/phy/dp83822.c:346:3: error: use of undeclared identifier 'ret'
                   ret = phy_modify_mmd(phydev, DP83822_DEVADDR, MII_DP83822_RCSR,
                   ^
   drivers/net/phy/dp83822.c:349:6: error: use of undeclared identifier 'ret'
           if (ret < 0)
               ^
   drivers/net/phy/dp83822.c:350:10: error: use of undeclared identifier 'ret'
                   return ret;
                          ^
   drivers/net/phy/dp83822.c:354:3: error: use of undeclared identifier 'ret'
                   ret = phy_modify_mmd(phydev, DP83822_DEVADDR, MII_DP83822_RCSR,
                   ^
   drivers/net/phy/dp83822.c:358:3: error: use of undeclared identifier 'ret'
                   ret = phy_modify_mmd(phydev, DP83822_DEVADDR, MII_DP83822_RCSR,
                   ^
   drivers/net/phy/dp83822.c:362:9: error: use of undeclared identifier 'ret'
           return ret;
                  ^
   10 errors generated.


vim +/ret +335 drivers/net/phy/dp83822.c

   330	
   331	static int dp8382x_disable_wol(struct phy_device *phydev)
   332	{
   333		u16 val = DP83822_WOL_EN | DP83822_WOL_MAGIC_EN | DP83822_WOL_SECURE_ON;
   334	
 > 335		ret = phy_clear_bits_mmd(phydev, DP83822_DEVADDR,
   336					 MII_DP83822_WOL_CFG, val);
   337		if (ret < 0)
   338			return ret;
   339	
   340		if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID ||
   341		    phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) {
   342			ret = phy_modify_mmd(phydev, DP83822_DEVADDR, MII_DP83822_RCSR,
   343					     DP83822_RGMII_RX_CLOCK_SHIFT,
   344					     DP83822_RGMII_RX_CLOCK_SHIFT);
   345		} else {
   346			ret = phy_modify_mmd(phydev, DP83822_DEVADDR, MII_DP83822_RCSR,
   347					     DP83822_RGMII_RX_CLOCK_SHIFT, 0);
   348		}
   349		if (ret < 0)
   350			return ret;
   351	
   352		if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID ||
   353		    phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) {
   354			ret = phy_modify_mmd(phydev, DP83822_DEVADDR, MII_DP83822_RCSR,
   355					     DP83822_RGMII_TX_CLOCK_SHIFT,
   356					     DP83822_RGMII_TX_CLOCK_SHIFT);
   357		} else {
   358			ret = phy_modify_mmd(phydev, DP83822_DEVADDR, MII_DP83822_RCSR,
   359					     DP83822_RGMII_TX_CLOCK_SHIFT, 0);
   360		}
   361	
   362		return ret;
   363	}
   364	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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