Hi Icenowy, [auto build test WARNING on net-next/master] [also build test WARNING on v4.13-rc6 next-20170823] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Icenowy-Zheng/Workaround-broken-RTL8211E-on-some-Pine64-boards/20170823-234405 config: x86_64-randconfig-b0-08240928 (attached as .config) compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): drivers/net/phy/realtek.c: In function 'rtl8211e_config_init': >> drivers/net/phy/realtek.c:130: warning: unused variable 'of_node' vim +/of_node +130 drivers/net/phy/realtek.c 126 127 static int rtl8211e_config_init(struct phy_device *phydev) 128 { 129 struct device *dev = &phydev->mdio.dev; > 130 struct device_node *of_node = dev->of_node; 131 int ret; 132 133 ret = genphy_config_init(phydev); 134 if (ret < 0) 135 return ret; 136 137 if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) { 138 /* Disable the RX internal delay here. 139 * 140 * All the magic numbers are not documented on RTL8211E 141 * datasheet. They're said to be from Realtek by Pine64. 142 */ 143 phy_write(phydev, RTL8211_PAGE_SELECT, RTL8211E_EXT_PAGE); 144 phy_write(phydev, RTL8211E_EXT_PAGE_SELECT, 0xa4); 145 phy_write(phydev, 0x1c, 0xb591); 146 147 /* Restore to default page 0 */ 148 phy_write(phydev, RTL8211_PAGE_SELECT, 0); 149 } 150 151 return 0; 152 } 153 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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