Re: [PATCH v3 1/3] tty: serial core: provide a method to search uart by phandle

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Hi Nikolaus,

[auto build test WARNING on tty/tty-next -- if it's inappropriate base, please suggest rules for selecting the more suitable base]

url:    https://github.com/0day-ci/linux/commits/H-Nikolaus-Schaller/UART-slave-device-support-goldelico-version/20151017-021238
reproduce: make htmldocs

All warnings (new ones prefixed by >>):

   include/linux/init.h:1: warning: no structured comments found
   kernel/sys.c:1: warning: no structured comments found
   drivers/dma-buf/seqno-fence.c:1: warning: no structured comments found
   drivers/dma-buf/reservation.c:1: warning: no structured comments found
   include/linux/reservation.h:1: warning: no structured comments found
   include/media/v4l2-dv-timings.h:29: warning: cannot understand function prototype: 'const struct v4l2_dv_timings v4l2_dv_timings_presets[]; '
   include/media/v4l2-dv-timings.h:147: warning: No description found for parameter 'frame_height'
   include/media/v4l2-dv-timings.h:147: warning: No description found for parameter 'hfreq'
   include/media/v4l2-dv-timings.h:147: warning: No description found for parameter 'vsync'
   include/media/v4l2-dv-timings.h:147: warning: No description found for parameter 'active_width'
   include/media/v4l2-dv-timings.h:147: warning: No description found for parameter 'polarities'
   include/media/v4l2-dv-timings.h:147: warning: No description found for parameter 'interlaced'
   include/media/v4l2-dv-timings.h:147: warning: No description found for parameter 'fmt'
   include/media/v4l2-dv-timings.h:171: warning: No description found for parameter 'frame_height'
   include/media/v4l2-dv-timings.h:171: warning: No description found for parameter 'hfreq'
   include/media/v4l2-dv-timings.h:171: warning: No description found for parameter 'vsync'
   include/media/v4l2-dv-timings.h:171: warning: No description found for parameter 'polarities'
   include/media/v4l2-dv-timings.h:171: warning: No description found for parameter 'interlaced'
   include/media/v4l2-dv-timings.h:171: warning: No description found for parameter 'aspect'
   include/media/v4l2-dv-timings.h:171: warning: No description found for parameter 'fmt'
   include/media/v4l2-dv-timings.h:184: warning: No description found for parameter 'hor_landscape'
   include/media/v4l2-dv-timings.h:184: warning: No description found for parameter 'vert_portrait'
   include/media/videobuf2-core.h:112: warning: No description found for parameter 'get_dmabuf'
   include/media/videobuf2-core.h:233: warning: No description found for parameter 'cnt_mem_alloc'
   include/media/videobuf2-core.h:233: warning: No description found for parameter 'cnt_mem_put'
   include/media/videobuf2-core.h:233: warning: No description found for parameter 'cnt_mem_get_dmabuf'
   include/media/videobuf2-core.h:233: warning: No description found for parameter 'cnt_mem_get_userptr'
   include/media/videobuf2-core.h:233: warning: No description found for parameter 'cnt_mem_put_userptr'
   include/media/videobuf2-core.h:233: warning: No description found for parameter 'cnt_mem_prepare'
   include/media/videobuf2-core.h:233: warning: No description found for parameter 'cnt_mem_finish'
   include/media/videobuf2-core.h:233: warning: No description found for parameter 'cnt_mem_attach_dmabuf'
   include/media/videobuf2-core.h:233: warning: No description found for parameter 'cnt_mem_detach_dmabuf'
   include/media/videobuf2-core.h:233: warning: No description found for parameter 'cnt_mem_map_dmabuf'
   include/media/videobuf2-core.h:233: warning: No description found for parameter 'cnt_mem_unmap_dmabuf'
   include/media/videobuf2-core.h:233: warning: No description found for parameter 'cnt_mem_vaddr'
   include/media/videobuf2-core.h:233: warning: No description found for parameter 'cnt_mem_cookie'
   include/media/videobuf2-core.h:233: warning: No description found for parameter 'cnt_mem_num_users'
   include/media/videobuf2-core.h:233: warning: No description found for parameter 'cnt_mem_mmap'
   include/media/videobuf2-core.h:233: warning: No description found for parameter 'cnt_buf_init'
   include/media/videobuf2-core.h:233: warning: No description found for parameter 'cnt_buf_prepare'
   include/media/videobuf2-core.h:233: warning: No description found for parameter 'cnt_buf_finish'
   include/media/videobuf2-core.h:233: warning: No description found for parameter 'cnt_buf_cleanup'
   include/media/videobuf2-core.h:233: warning: No description found for parameter 'cnt_buf_queue'
   include/media/videobuf2-core.h:233: warning: No description found for parameter 'cnt_buf_done'
   drivers/media/dvb-core/dvbdev.h:199: warning: Excess function parameter 'device' description in 'dvb_register_device'
   drivers/media/dvb-core/dvbdev.h:199: warning: Excess function parameter 'adapter_nums' description in 'dvb_register_device'
>> drivers/tty/serial/serial_core.c:117: warning: No description found for parameter 'dev'
>> drivers/tty/serial/serial_core.c:117: warning: No description found for parameter 'phandle'
>> drivers/tty/serial/serial_core.c:117: warning: No description found for parameter 'index'
   include/linux/hsi/hsi.h:150: warning: Excess struct/union/enum/typedef member 'e_handler' description in 'hsi_client'
   include/linux/hsi/hsi.h:150: warning: Excess struct/union/enum/typedef member 'pclaimed' description in 'hsi_client'
   include/linux/hsi/hsi.h:150: warning: Excess struct/union/enum/typedef member 'nb' description in 'hsi_client'

vim +/dev +117 drivers/tty/serial/serial_core.c

   101	 * @index - the index of the uart
   102	 *
   103	 * Returns the uart_port associated with the given phandle value,
   104	 * after getting a refcount to it, -ENODEV if there is no such uart or
   105	 * -EPROBE_DEFER if there is a phandle to the uart, but the device is
   106	 * not yet loaded. While at that, it also associates the device with
   107	 * the uart using devres. On driver detach, release function is invoked
   108	 * on the devres data, then, devres data is freed.
   109	 *
   110	 * For use by tty host and peripheral drivers.
   111	 */
   112	
   113	/* same concept as devm_usb_get_phy_by_phandle() */
   114	
   115	struct uart_port *devm_serial_get_uart_by_phandle(struct device *dev,
   116			const char *phandle, u8 index)
 > 117	{
   118		struct uart_port  *uart = ERR_PTR(-ENOMEM), **ptr;
   119		unsigned long   flags;
   120		struct device_node *node;
   121	
   122		if (!dev->of_node) {
   123			dev_err(dev, "device does not have a device node entry\n");
   124			return ERR_PTR(-EINVAL);
   125		}

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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