Hi Nikolaus,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on char-misc/char-misc-testing] [also build test WARNING on v4.14 next-20171115] [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/H-Nikolaus-Schaller/misc-new-serdev... config: tile-allmodconfig (attached as .config) compiler: tilegx-linux-gcc (GCC) 4.6.2 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=tile
All warnings (new ones prefixed by >>):
drivers/misc/w2sg0004.c: In function 'w2sg_uart_receive_buf':
drivers/misc/w2sg0004.c:156:3: warning: format '%d' expects argument of type 'int', but argument 3 has type 'size_t' [-Wformat]
drivers/misc/w2sg0004.c:161:4: warning: format '%d' expects argument of type 'int', but argument 2 has type 'size_t' [-Wformat] drivers/misc/w2sg0004.c: At top level: drivers/misc/w2sg0004.c:487:12: warning: 'w2sg_suspend' defined but not used [-Wunused-function] drivers/misc/w2sg0004.c:523:12: warning: 'w2sg_resume' defined but not used [-Wunused-function]
vim +156 drivers/misc/w2sg0004.c
125 126 static int w2sg_uart_receive_buf(struct serdev_device *serdev, 127 const unsigned char *rxdata, 128 size_t count) 129 { 130 struct w2sg_data *data = 131 (struct w2sg_data *) serdev_device_get_drvdata(serdev); 132 133 if (!data->requested && !data->is_on) { 134 /* 135 * we have received characters while the w2sg 136 * should have been be turned off 137 */ 138 data->discard_count += count; 139 if ((data->state == W2SG_IDLE) && 140 time_after(jiffies, 141 data->last_toggle + data->backoff)) { 142 /* Should be off by now, time to toggle again */ 143 pr_debug("w2sg00x4 has sent %d characters data although it should be off!\n", 144 data->discard_count); 145 146 data->discard_count = 0; 147 148 data->is_on = true; 149 data->backoff *= 2; 150 if (!data->suspended) 151 schedule_delayed_work(&data->work, 0); 152 } 153 } else if (data->open_count > 0) { 154 int n; 155
156 pr_debug("w2sg00x4: push %d chars to tty port\n", count);
157 158 /* pass to user-space */ 159 n = tty_insert_flip_string(&data->port, rxdata, count); 160 if (n != count) 161 pr_err("w2sg00x4: did loose %d characters\n", count - n); 162 tty_flip_buffer_push(&data->port); 163 return n; 164 } 165 166 /* assume we have processed everything */ 167 return count; 168 } 169
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