Hi Andrew, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 860461e4fcaa76200d2d1a53523e0ff7be92e6e8 commit: a9770eac511ad82390b9f4a3c1728e078c387ac7 [3015/8629] net: mdio: Move MDIO drivers into a new subdirectory config: h8300-randconfig-r011-20200917 (attached as .config) compiler: h8300-linux-gcc (GCC) 9.3.0 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 git checkout a9770eac511ad82390b9f4a3c1728e078c387ac7 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=h8300 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): h8300-linux-ld: drivers/net/phy/mdio_devres.o: in function `devm_mdiobus_free': drivers/net/phy/mdio_devres.c:16: undefined reference to `mdiobus_free' h8300-linux-ld: drivers/net/phy/mdio_devres.o: in function `devm_mdiobus_unregister': drivers/net/phy/mdio_devres.c:53: undefined reference to `mdiobus_unregister' h8300-linux-ld: drivers/net/phy/mdio_devres.o: in function `devm_of_mdiobus_register': drivers/net/phy/mdio_devres.c:120: undefined reference to `of_mdiobus_register' h8300-linux-ld: drivers/net/phy/mdio_devres.o: in function `devm_mdiobus_alloc_size': drivers/net/phy/mdio_devres.c:38: undefined reference to `mdiobus_alloc_size' h8300-linux-ld: drivers/net/phy/mdio_devres.o: in function `__devm_mdiobus_register': drivers/net/phy/mdio_devres.c:87: undefined reference to `__mdiobus_register' h8300-linux-ld: drivers/net/mdio/mdio-bcm-unimac.o: in function `unimac_mdio_reset': h8300-linux-ld: drivers/net/mdio/mdio-bcm-unimac.o: in function `unimac_mdio_remove': h8300-linux-ld: drivers/net/mdio/mdio-bcm-unimac.o: in function `mdiobus_alloc': include/linux/phy.h:320: undefined reference to `mdiobus_alloc_size' h8300-linux-ld: drivers/net/mdio/mdio-bcm-unimac.o: in function `unimac_mdio_probe': h8300-linux-ld: drivers/net/mdio/mdio-bcm-unimac.c:295: undefined reference to `mdiobus_free' h8300-linux-ld: drivers/net/mdio/mdio-bitbang.o: in function `mdiobus_alloc': include/linux/phy.h:320: undefined reference to `mdiobus_alloc_size' h8300-linux-ld: drivers/net/mdio/mdio-bitbang.o: in function `free_mdio_bitbang': h8300-linux-ld: drivers/net/mdio/mdio-mvusb.o: in function `mvusb_mdio_disconnect': h8300-linux-ld: drivers/net/mdio/mdio-mvusb.o: in function `mvusb_mdio_probe': h8300-linux-ld: drivers/net/pcs/pcs-xpcs.o: in function `xpcs_read': drivers/net/pcs/pcs-xpcs.c:151: undefined reference to `mdiobus_read' h8300-linux-ld: drivers/net/pcs/pcs-xpcs.o: in function `xpcs_write': drivers/net/pcs/pcs-xpcs.c:158: undefined reference to `mdiobus_write' h8300-linux-ld: drivers/net/pcs/pcs-xpcs.c:158: undefined reference to `mdiobus_write' h8300-linux-ld: drivers/net/pcs/pcs-xpcs.c:158: undefined reference to `mdiobus_write' h8300-linux-ld: drivers/net/pcs/pcs-xpcs.c:158: undefined reference to `mdiobus_write' h8300-linux-ld: drivers/net/pcs/pcs-xpcs.c:158: undefined reference to `mdiobus_write' h8300-linux-ld: drivers/net/pcs/pcs-xpcs.o:drivers/net/pcs/pcs-xpcs.c:158: more undefined references to `mdiobus_write' follow # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commi... git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout a9770eac511ad82390b9f4a3c1728e078c387ac7 vim +181 drivers/net/mdio/mdio-bcm-unimac.c 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 143 d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 144 /* Workaround for integrated BCM7xxx Gigabit PHYs which have a problem with d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 145 * their internal MDIO management controller making them fail to successfully d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 146 * be read from or written to for the first transaction. We insert a dummy d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 147 * BMSR read here to make sure that phy_get_device() and get_phy_id() can d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 148 * correctly read the PHY MII_PHYSID1/2 registers and successfully register a d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 149 * PHY device for this peripheral. d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 150 * d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 151 * Once the PHY driver is registered, we can workaround subsequent reads from d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 152 * there (e.g: during system-wide power management). d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 153 * d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 154 * bus->reset is invoked before mdiobus_scan during mdiobus_register and is d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 155 * therefore the right location to stick that workaround. Since we do not want d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 156 * to read from non-existing PHYs, we either use bus->phy_mask or do a manual d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 157 * Device Tree scan to limit the search area. d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 158 */ d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 159 static int unimac_mdio_reset(struct mii_bus *bus) d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 160 { d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 161 struct device_node *np = bus->dev.of_node; d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 162 struct device_node *child; d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 163 u32 read_mask = 0; d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 164 int addr; d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 165 d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 166 if (!np) { d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 167 read_mask = ~bus->phy_mask; d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 168 } else { d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 169 for_each_available_child_of_node(np, child) { d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 170 addr = of_mdio_parse_addr(&bus->dev, child); d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 171 if (addr < 0) d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 172 continue; d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 173 d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 174 read_mask |= 1 << addr; d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 175 } d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 176 } d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 177 d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 178 for (addr = 0; addr < PHY_MAX_ADDR; addr++) { e23597f7524ba11 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2017-07-31 179 if (read_mask & 1 << addr) { e23597f7524ba11 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2017-07-31 180 dev_dbg(&bus->dev, "Workaround for PHY @ %d\n", addr); d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 @181 mdiobus_read(bus, addr, MII_BMSR); d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 182 } e23597f7524ba11 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2017-07-31 183 } d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 184 d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 185 return 0; d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 186 } d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 187 b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 188 static void unimac_mdio_clk_set(struct unimac_mdio_priv *priv) b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 189 { b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 190 unsigned long rate; b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 191 u32 reg, div; b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 192 b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 193 /* Keep the hardware default values */ b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 194 if (!priv->clk_freq) b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 195 return; b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 196 b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 197 if (!priv->clk) b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 198 rate = 250000000; b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 199 else b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 200 rate = clk_get_rate(priv->clk); b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 201 b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 202 div = (rate / (2 * priv->clk_freq)) - 1; b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 203 if (div & ~MDIO_CLK_DIV_MASK) { b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 204 pr_warn("Incorrect MDIO clock frequency, ignoring\n"); b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 205 return; b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 206 } b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 207 b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 208 /* The MDIO clock is the reference clock (typicaly 250Mhz) divided by b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 209 * 2 x (MDIO_CLK_DIV + 1) b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 210 */ b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 211 reg = unimac_mdio_readl(priv, MDIO_CFG); b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 212 reg &= ~(MDIO_CLK_DIV_MASK << MDIO_CLK_DIV_SHIFT); b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 213 reg |= div << MDIO_CLK_DIV_SHIFT; b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 214 unimac_mdio_writel(priv, reg, MDIO_CFG); b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 215 } b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 216 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 217 static int unimac_mdio_probe(struct platform_device *pdev) 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 218 { f248aff86d1fd6e drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2017-07-31 219 struct unimac_mdio_pdata *pdata = pdev->dev.platform_data; 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 220 struct unimac_mdio_priv *priv; 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 221 struct device_node *np; 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 222 struct mii_bus *bus; 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 223 struct resource *r; 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 224 int ret; 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 225 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 226 np = pdev->dev.of_node; 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 227 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 228 priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 229 if (!priv) 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 230 return -ENOMEM; 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 231 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 232 r = platform_get_resource(pdev, IORESOURCE_MEM, 0); 297a6961ffb8ff4 drivers/net/phy/mdio-bcm-unimac.c Wei Yongjun 2018-01-11 233 if (!r) 297a6961ffb8ff4 drivers/net/phy/mdio-bcm-unimac.c Wei Yongjun 2018-01-11 234 return -EINVAL; 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 235 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 236 /* Just ioremap, as this MDIO block is usually integrated into an 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 237 * Ethernet MAC controller register range 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 238 */ 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 239 priv->base = devm_ioremap(&pdev->dev, r->start, resource_size(r)); 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 240 if (!priv->base) { 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 241 dev_err(&pdev->dev, "failed to remap register\n"); 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 242 return -ENOMEM; 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 243 } 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 244 c312c7818b86b66 drivers/net/phy/mdio-bcm-unimac.c Andre Przywara 2020-03-24 245 priv->clk = devm_clk_get_optional(&pdev->dev, NULL); c312c7818b86b66 drivers/net/phy/mdio-bcm-unimac.c Andre Przywara 2020-03-24 246 if (IS_ERR(priv->clk)) b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 247 return PTR_ERR(priv->clk); b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 248 b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 249 ret = clk_prepare_enable(priv->clk); b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 250 if (ret) b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 251 return ret; b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 252 b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 253 if (of_property_read_u32(np, "clock-frequency", &priv->clk_freq)) b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 254 priv->clk_freq = 0; b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 255 b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 256 unimac_mdio_clk_set(priv); b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 257 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 258 priv->mii_bus = mdiobus_alloc(); b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 259 if (!priv->mii_bus) { b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 260 ret = -ENOMEM; b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 261 goto out_clk_disable; b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 262 } 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 263 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 264 bus = priv->mii_bus; 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 265 bus->priv = priv; f248aff86d1fd6e drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2017-07-31 266 if (pdata) { f248aff86d1fd6e drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2017-07-31 267 bus->name = pdata->bus_name; f248aff86d1fd6e drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2017-07-31 268 priv->wait_func = pdata->wait_func; f248aff86d1fd6e drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2017-07-31 269 priv->wait_func_data = pdata->wait_func_data; f248aff86d1fd6e drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2017-07-31 270 bus->phy_mask = ~pdata->phy_mask; f248aff86d1fd6e drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2017-07-31 271 } else { 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 272 bus->name = "unimac MII bus"; f248aff86d1fd6e drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2017-07-31 273 priv->wait_func_data = priv; f248aff86d1fd6e drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2017-07-31 274 priv->wait_func = unimac_mdio_poll; f248aff86d1fd6e drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2017-07-31 275 } 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 276 bus->parent = &pdev->dev; 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 277 bus->read = unimac_mdio_read; 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 278 bus->write = unimac_mdio_write; d8e704e461c2179 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2015-06-26 279 bus->reset = unimac_mdio_reset; d782f7c935123ad drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2017-07-31 280 snprintf(bus->id, MII_BUS_ID_SIZE, "%s-%d", pdev->name, pdev->id); 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 281 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 @282 ret = of_mdiobus_register(bus, np); 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 283 if (ret) { 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 284 dev_err(&pdev->dev, "MDIO bus registration failed\n"); e7f4dc3536a4009 drivers/net/phy/mdio-bcm-unimac.c Andrew Lunn 2016-01-06 285 goto out_mdio_free; 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 286 } 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 287 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 288 platform_set_drvdata(pdev, priv); 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 289 647aed232a7cda6 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2019-03-20 290 dev_info(&pdev->dev, "Broadcom UniMAC MDIO bus\n"); 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 291 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 292 return 0; 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 293 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 294 out_mdio_free: 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 295 mdiobus_free(bus); b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 296 out_clk_disable: b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 297 clk_disable_unprepare(priv->clk); 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 298 return ret; 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 299 } 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 300 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 301 static int unimac_mdio_remove(struct platform_device *pdev) 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 302 { 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 303 struct unimac_mdio_priv *priv = platform_get_drvdata(pdev); 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 304 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 @305 mdiobus_unregister(priv->mii_bus); 2ba1b163c9d5d71 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2014-08-27 @306 mdiobus_free(priv->mii_bus); b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 307 clk_disable_unprepare(priv->clk); b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 308 b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 309 return 0; b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 310 } b78ac6ecd1b6b46 drivers/net/phy/mdio-bcm-unimac.c Florian Fainelli 2018-09-20 311 :::::: The code at line 181 was first introduced by commit :::::: d8e704e461c217918cf236f49276e469580afbef net: phy: mdio-bcm-unimac: workaround initial read failures for integrated PHYs :::::: TO: Florian Fainelli <f.fainelli(a)gmail.com&gt; :::::: CC: David S. Miller <davem(a)davemloft.net&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org