[android-common:android16-6.12 12/12] drivers/tty/n_gsm.c:4171: warning: Function parameter or struct member 'dlci' not described in 'gsm_modem_send_initial_msc'

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

Hi Seppo,

FYI, the error/warning still remains.

tree:   https://android.googlesource.com/kernel/common android16-6.12
head:   0fd55a309793adc6b8cddb5c29e80caa545ba4bb
commit: 5416e89b81b00443cb03c88df8da097ae091a141 [12/12] tty: n_gsm: Don't block input queue by waiting MSC
config: arm-allyesconfig (https://download.01.org/0day-ci/archive/20260719/202607190624.VAPx4hpf-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 16.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260719/202607190624.VAPx4hpf-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/202607190624.VAPx4hpf-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/tty/n_gsm.c:4171: warning: Function parameter or struct member 'dlci' not described in 'gsm_modem_send_initial_msc'


vim +4171 drivers/tty/n_gsm.c

  4159	
  4160	/**
  4161	 * gsm_modem_send_initial_msc - Send initial modem status message
  4162	 *
  4163	 * @dlci channel
  4164	 *
  4165	 * Send an initial MSC message after DLCI open to set the initial
  4166	 * modem status lines. This is only done for basic mode.
  4167	 * Does not wait for a response as we cannot block the input queue
  4168	 * processing.
  4169	 */
  4170	static int gsm_modem_send_initial_msc(struct gsm_dlci *dlci)
> 4171	{
  4172		u8 modembits[2];
  4173	
  4174		if (dlci->adaption != 1 || dlci->gsm->encoding != GSM_BASIC_OPT)
  4175			return 0;
  4176	
  4177		modembits[0] = (dlci->addr << 2) | 2 | EA; /* DLCI, Valid, EA */
  4178		modembits[1] = (gsm_encode_modem(dlci) << 1) | EA;
  4179		return gsm_control_command(dlci->gsm, CMD_MSC, (const u8 *)&modembits, 2);
  4180	}
  4181	

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