Hi Martyn, [auto build test WARNING on usb/usb-testing] [also build test WARNING on next-20160113] [cannot apply to v4.4] [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/Martyn-Welch/USB-serial-cp210x-Adding-GPIO-support-for-CP2105/20160113-183312 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing config: sh-allyesconfig (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=sh All warnings (new ones prefixed by >>): drivers/usb/serial/cp210x.c:211:19: error: field 'gc' has incomplete type drivers/usb/serial/cp210x.c: In function 'cp210x_gpio_get': >> drivers/usb/serial/cp210x.c:1017:5: warning: initialization from incompatible pointer type [enabled by default] drivers/usb/serial/cp210x.c:1017:5: warning: (near initialization for 'port_priv') [enabled by default] drivers/usb/serial/cp210x.c: In function 'cp210x_gpio_set': drivers/usb/serial/cp210x.c:1056:5: warning: initialization from incompatible pointer type [enabled by default] drivers/usb/serial/cp210x.c:1056:5: warning: (near initialization for 'port_priv') [enabled by default] drivers/usb/serial/cp210x.c: In function 'cp210x_shared_gpio_init': drivers/usb/serial/cp210x.c:1164:2: error: implicit declaration of function 'gpiochip_add' [-Werror=implicit-function-declaration] drivers/usb/serial/cp210x.c: In function 'cp210x_port_remove': drivers/usb/serial/cp210x.c:1217:3: error: implicit declaration of function 'gpiochip_remove' [-Werror=implicit-function-declaration] cc1: some warnings being treated as errors vim +1017 drivers/usb/serial/cp210x.c 1001 state = BREAK_OFF; 1002 else 1003 state = BREAK_ON; 1004 dev_dbg(&port->dev, "%s - turning break %s\n", __func__, 1005 state == BREAK_OFF ? "off" : "on"); 1006 cp210x_set_config(port, CP210X_SET_BREAK, &state, 2); 1007 } 1008 1009 static int cp210x_gpio_direction_get(struct gpio_chip *gc, unsigned gpio) 1010 { 1011 return 0; 1012 } 1013 1014 static int cp210x_gpio_get(struct gpio_chip *gc, unsigned gpio) 1015 { 1016 struct cp210x_port_private *port_priv = > 1017 container_of(gc, struct cp210x_port_private, gc); 1018 struct usb_serial *serial = port_priv->serial; 1019 __le32 *buf; 1020 int result, i, length; 1021 int size = 1; 1022 unsigned int data[size]; 1023 1024 /* Number of integers required to contain the array */ 1025 length = (((size - 1) | 3) + 1) / 4; --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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