Hi Martyn, [auto build test ERROR on usb/usb-testing] [also build test ERROR 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: x86_64-randconfig-x018-01110856 (attached as .config) reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All error/warnings (new ones prefixed by >>): >> drivers/usb/serial/cp210x.c:211:19: error: field 'gc' has incomplete type struct gpio_chip gc; ^ In file included from drivers/usb/serial/cp210x.c:16:0: drivers/usb/serial/cp210x.c: In function 'cp210x_gpio_get': include/linux/kernel.h:813:48: warning: initialization from incompatible pointer type [-Wincompatible-pointer-types] const typeof( ((type *)0)->member ) *__mptr = (ptr); \ ^ >> drivers/usb/serial/cp210x.c:1017:5: note: in expansion of macro 'container_of' container_of(gc, struct cp210x_port_private, gc); ^ include/linux/kernel.h:813:48: note: (near initialization for 'port_priv') const typeof( ((type *)0)->member ) *__mptr = (ptr); \ ^ >> drivers/usb/serial/cp210x.c:1017:5: note: in expansion of macro 'container_of' container_of(gc, struct cp210x_port_private, gc); ^ drivers/usb/serial/cp210x.c: In function 'cp210x_gpio_set': include/linux/kernel.h:813:48: warning: initialization from incompatible pointer type [-Wincompatible-pointer-types] const typeof( ((type *)0)->member ) *__mptr = (ptr); \ ^ drivers/usb/serial/cp210x.c:1056:5: note: in expansion of macro 'container_of' container_of(gc, struct cp210x_port_private, gc); ^ include/linux/kernel.h:813:48: note: (near initialization for 'port_priv') const typeof( ((type *)0)->member ) *__mptr = (ptr); \ ^ drivers/usb/serial/cp210x.c:1056:5: note: in expansion of macro 'container_of' container_of(gc, struct cp210x_port_private, gc); ^ drivers/usb/serial/cp210x.c: In function 'cp210x_shared_gpio_init': >> drivers/usb/serial/cp210x.c:1164:11: error: implicit declaration of function 'gpiochip_add' [-Werror=implicit-function-declaration] result = gpiochip_add(&port_priv->gc); ^ 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] gpiochip_remove(&port_priv->gc); ^ cc1: some warnings being treated as errors vim +/gc +211 drivers/usb/serial/cp210x.c 205 MODULE_DEVICE_TABLE(usb, id_table); 206 207 struct cp210x_port_private { 208 __u8 bInterfaceNumber; 209 bool has_swapped_line_ctl; 210 struct usb_serial *serial; > 211 struct gpio_chip gc; 212 }; 213 214 static struct usb_serial_driver cp210x_device = { --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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