| cp210x.c (befc28a720362cb2b14601b5ba3d1f4c600ffaec) | cp210x.c (33a61d2cc731d1c8a763f147528fc5e46978599f) |
|---|---|
| 1// SPDX-License-Identifier: GPL-2.0 2/* 3 * Silicon Laboratories CP210x USB to RS232 serial adaptor driver 4 * 5 * Copyright (C) 2005 Craig Shelley (craig@microtron.org.uk) 6 * Copyright (C) 2010-2021 Johan Hovold (johan@kernel.org) 7 * 8 * Support to set flow control line levels using TIOCMGET and TIOCMSET --- 1131 unchanged lines hidden (view full) --- 1140 if (ret) { 1141 dev_err(&port->dev, "failed to disable events: %d\n", ret); 1142 return; 1143 } 1144 1145 port_priv->event_mode = false; 1146} 1147 | 1// SPDX-License-Identifier: GPL-2.0 2/* 3 * Silicon Laboratories CP210x USB to RS232 serial adaptor driver 4 * 5 * Copyright (C) 2005 Craig Shelley (craig@microtron.org.uk) 6 * Copyright (C) 2010-2021 Johan Hovold (johan@kernel.org) 7 * 8 * Support to set flow control line levels using TIOCMGET and TIOCMSET --- 1131 unchanged lines hidden (view full) --- 1140 if (ret) { 1141 dev_err(&port->dev, "failed to disable events: %d\n", ret); 1142 return; 1143 } 1144 1145 port_priv->event_mode = false; 1146} 1147 |
| 1148static int cp210x_set_chars(struct usb_serial_port *port, 1149 struct cp210x_special_chars *chars) 1150{ 1151 struct cp210x_port_private *port_priv = usb_get_serial_port_data(port); 1152 struct usb_serial *serial = port->serial; 1153 void *dmabuf; 1154 int result; 1155 1156 dmabuf = kmemdup(chars, sizeof(*chars), GFP_KERNEL); 1157 if (!dmabuf) 1158 return -ENOMEM; 1159 1160 result = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), 1161 CP210X_SET_CHARS, REQTYPE_HOST_TO_INTERFACE, 0, 1162 port_priv->bInterfaceNumber, 1163 dmabuf, sizeof(*chars), USB_CTRL_SET_TIMEOUT); 1164 1165 kfree(dmabuf); 1166 1167 if (result < 0) 1168 return result; 1169 1170 return 0; 1171} 1172 | |
| 1173static bool cp210x_termios_change(const struct ktermios *a, const struct ktermios *b) 1174{ 1175 bool iflag_change, cc_change; 1176 1177 iflag_change = ((a->c_iflag ^ b->c_iflag) & (INPCK | IXON | IXOFF)); 1178 cc_change = a->c_cc[VSTART] != b->c_cc[VSTART] || 1179 a->c_cc[VSTOP] != b->c_cc[VSTOP]; 1180 --- 31 unchanged lines hidden (view full) --- 1212 } 1213 1214 if (I_IXON(tty) || I_IXOFF(tty)) { 1215 memset(&chars, 0, sizeof(chars)); 1216 1217 chars.bXonChar = START_CHAR(tty); 1218 chars.bXoffChar = STOP_CHAR(tty); 1219 | 1148static bool cp210x_termios_change(const struct ktermios *a, const struct ktermios *b) 1149{ 1150 bool iflag_change, cc_change; 1151 1152 iflag_change = ((a->c_iflag ^ b->c_iflag) & (INPCK | IXON | IXOFF)); 1153 cc_change = a->c_cc[VSTART] != b->c_cc[VSTART] || 1154 a->c_cc[VSTOP] != b->c_cc[VSTOP]; 1155 --- 31 unchanged lines hidden (view full) --- 1187 } 1188 1189 if (I_IXON(tty) || I_IXOFF(tty)) { 1190 memset(&chars, 0, sizeof(chars)); 1191 1192 chars.bXonChar = START_CHAR(tty); 1193 chars.bXoffChar = STOP_CHAR(tty); 1194 |
| 1220 ret = cp210x_set_chars(port, &chars); | 1195 ret = cp210x_write_reg_block(port, CP210X_SET_CHARS, &chars, 1196 sizeof(chars)); |
| 1221 if (ret) { 1222 dev_err(&port->dev, "failed to set special chars: %d\n", 1223 ret); 1224 } 1225 } 1226 1227 mutex_lock(&port_priv->mutex); 1228 --- 960 unchanged lines hidden --- | 1197 if (ret) { 1198 dev_err(&port->dev, "failed to set special chars: %d\n", 1199 ret); 1200 } 1201 } 1202 1203 mutex_lock(&port_priv->mutex); 1204 --- 960 unchanged lines hidden --- |