[PATCH] Staging: speakup: spk_types: fixed an unnamed parameter style issue

[kbuild test robot]

Hi Matthew,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[cannot apply to v5.3-rc4 next-20190816]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Matthew-Hanzelik/Staging-speakup-spk_types-fixed-an-unnamed-parameter-style-issue/20190817-235230
config: x86_64-allyesconfig (attached as .config)
compiler: gcc-7 (Debian 7.4.0-10) 7.4.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp at intel.com>

All warnings (new ones prefixed by >>):

   drivers/staging/speakup/serialio.c: In function 'synth_readbuf_handler':
>> drivers/staging/speakup/serialio.c:120:24: warning: passing argument 1 of 'synth->read_buff_add' makes pointer from integer without a cast [-Wint-conversion]
      synth->read_buff_add((u_char)c);
                           ^
   drivers/staging/speakup/serialio.c:120:24: note: expected 'u_char * {aka unsigned char *}' but argument is of type 'unsigned char'
--
   drivers/staging/speakup/spk_ttyio.c: In function 'spk_ttyio_receive_buf2':
>> drivers/staging/speakup/spk_ttyio.c:82:35: warning: passing argument 1 of 'spk_ttyio_synth->read_buff_add' makes pointer from integer without a cast [-Wint-conversion]
       spk_ttyio_synth->read_buff_add(cp[i]);
                                      ^~
   drivers/staging/speakup/spk_ttyio.c:82:35: note: expected 'u_char * {aka unsigned char *}' but argument is of type 'unsigned char'

vim +120 drivers/staging/speakup/serialio.c

c6e3fd22cd5383 William Hubbs 2010-10-07  111  
c6e3fd22cd5383 William Hubbs 2010-10-07  112  static irqreturn_t synth_readbuf_handler(int irq, void *dev_id)
c6e3fd22cd5383 William Hubbs 2010-10-07  113  {
c6e3fd22cd5383 William Hubbs 2010-10-07  114  	unsigned long flags;
c6e3fd22cd5383 William Hubbs 2010-10-07  115  	int c;
8e69a811068657 Domagoj Trsan 2014-09-09  116  
9fb31b1abdabab William Hubbs 2013-05-13  117  	spin_lock_irqsave(&speakup_info.spinlock, flags);
c6e3fd22cd5383 William Hubbs 2010-10-07  118  	while (inb_p(speakup_info.port_tts + UART_LSR) & UART_LSR_DR) {
c6e3fd22cd5383 William Hubbs 2010-10-07  119  		c = inb_p(speakup_info.port_tts + UART_RX);
c6e3fd22cd5383 William Hubbs 2010-10-07 @120  		synth->read_buff_add((u_char)c);
c6e3fd22cd5383 William Hubbs 2010-10-07  121  	}
9fb31b1abdabab William Hubbs 2013-05-13  122  	spin_unlock_irqrestore(&speakup_info.spinlock, flags);
c6e3fd22cd5383 William Hubbs 2010-10-07  123  	return IRQ_HANDLED;
c6e3fd22cd5383 William Hubbs 2010-10-07  124  }
c6e3fd22cd5383 William Hubbs 2010-10-07  125  

:::::: The code at line 120 was first introduced by commit
:::::: c6e3fd22cd538365bfeb82997d5b89562e077d42 Staging: add speakup to the staging directory

:::::: TO: William Hubbs <w.d.hubbs at gmail.com>
:::::: CC: Greg Kroah-Hartman <gregkh at suse.de>

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