Hi Caesar, [auto build test ERROR on next-20160311] [also build test ERROR on v4.5-rc7] [cannot apply to rockchip/for-next net-next/master v4.5-rc7 v4.5-rc6 v4.5-rc5] [if your patch is applied to the wrong git tree, please drop us a note to help improving the system] url: https://github.com/0day-ci/linux/commits/Caesar-Wang/arc_emac-fixes-the-emac-issues-and-cleanup-emac-drivers/20160313-171602 config: s390-allmodconfig (attached as .config) reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=s390 All errors (new ones prefixed by >>): drivers/net/ethernet/arc/emac_mdio.c: In function 'arc_mdio_reset': >> drivers/net/ethernet/arc/emac_mdio.c:112:3: error: implicit declaration of function 'gpiod_set_value_cansleep' [-Werror=implicit-function-declaration] gpiod_set_value_cansleep(data->reset_gpio, 1); ^ drivers/net/ethernet/arc/emac_mdio.c: In function 'arc_mdio_probe': >> drivers/net/ethernet/arc/emac_mdio.c:149:2: error: implicit declaration of function 'devm_gpiod_get_optional' [-Werror=implicit-function-declaration] data->reset_gpio = devm_gpiod_get_optional(priv->dev, "reset", ^ >> drivers/net/ethernet/arc/emac_mdio.c:150:10: error: 'GPIOD_OUT_LOW' undeclared (first use in this function) GPIOD_OUT_LOW); ^ drivers/net/ethernet/arc/emac_mdio.c:150:10: note: each undeclared identifier is reported only once for each function it appears in cc1: some warnings being treated as errors vim +/gpiod_set_value_cansleep +112 drivers/net/ethernet/arc/emac_mdio.c 106 int arc_mdio_reset(struct mii_bus *bus) 107 { 108 struct arc_emac_priv *priv = bus->priv; 109 struct arc_emac_mdio_bus_data *data = &priv->bus_data; 110 111 if (data->reset_gpio) { > 112 gpiod_set_value_cansleep(data->reset_gpio, 1); 113 msleep(data->msec); 114 gpiod_set_value_cansleep(data->reset_gpio, 0); 115 } 116 117 return 0; 118 } 119 120 /** 121 * arc_mdio_probe - MDIO probe function. 122 * @priv: Pointer to ARC EMAC private data structure. 123 * 124 * returns: 0 on success, -ENOMEM when mdiobus_alloc 125 * (to allocate memory for MII bus structure) fails. 126 * 127 * Sets up and registers the MDIO interface. 128 */ 129 int arc_mdio_probe(struct arc_emac_priv *priv) 130 { 131 struct arc_emac_mdio_bus_data *data = &priv->bus_data; 132 struct device_node *np = priv->dev->of_node; 133 struct mii_bus *bus; 134 int error; 135 136 bus = mdiobus_alloc(); 137 if (!bus) 138 return -ENOMEM; 139 140 priv->bus = bus; 141 bus->priv = priv; 142 bus->parent = priv->dev; 143 bus->name = "Synopsys MII Bus", 144 bus->read = &arc_mdio_read; 145 bus->write = &arc_mdio_write; 146 bus->reset = &arc_mdio_reset; 147 148 /* optional reset-related properties */ > 149 data->reset_gpio = devm_gpiod_get_optional(priv->dev, "reset", > 150 GPIOD_OUT_LOW); 151 if (IS_ERR(data->reset_gpio)) { 152 error = PTR_ERR(data->reset_gpio); 153 dev_err(priv->dev, "Failed to request gpio: %d\n", error); --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation -------------- next part -------------- A non-text attachment was scrubbed... Name: .config.gz Type: application/octet-stream Size: 40567 bytes Desc: not available URL: <http://lists.infradead.org/pipermail/linux-rockchip/attachments/20160313/849f95d5/attachment-0001.obj>