Re: [PATCH 6/8] serial: qcom-geni: fix console corruption

[kernel test robot <lkp@intel.com>]

Hi Johan,

kernel test robot noticed the following build warnings:

[auto build test WARNING on tty/tty-testing]
[also build test WARNING on tty/tty-next tty/tty-linus driver-core/driver-core-testing driver-core/driver-core-next driver-core/driver-core-linus usb/usb-testing usb/usb-next usb/usb-linus linus/master v6.11-rc6 next-20240902]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Johan-Hovold/serial-qcom-geni-fix-fifo-polling-timeout/20240902-232801
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing
patch link:    https://lore.kernel.org/r/20240902152451.862-7-johan%2Blinaro%40kernel.org
patch subject: [PATCH 6/8] serial: qcom-geni: fix console corruption
config: arc-randconfig-001-20240903 (https://download.01.org/0day-ci/archive/20240903/202409031521.hMYVfAjO-lkp@intel.com/config)
compiler: arc-elf-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240903/202409031521.hMYVfAjO-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202409031521.hMYVfAjO-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/tty/serial/qcom_geni_serial.c:314:13: warning: 'qcom_geni_serial_drain_fifo' defined but not used [-Wunused-function]
     314 | static void qcom_geni_serial_drain_fifo(struct uart_port *uport)
         |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/qcom_geni_serial_drain_fifo +314 drivers/tty/serial/qcom_geni_serial.c

   313	
 > 314	static void qcom_geni_serial_drain_fifo(struct uart_port *uport)
   315	{
   316		struct qcom_geni_serial_port *port = to_dev_port(uport);
   317	
   318		if (!qcom_geni_serial_main_active(uport))
   319			return;
   320	
   321		qcom_geni_serial_poll_bitfield(uport, SE_GENI_M_GP_LENGTH, GP_LENGTH,
   322				port->tx_queued);
   323	}
   324	

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