add r8169 read mac form eeprom

hc

2024-02-19 1c055e55a242a33e574e48be530e06770a210dcd

 kernel/drivers/usb/serial/whiteheat.c
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@@ -8,7 +8,7 @@
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  *	Copyright (C) 1999 - 2001
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  *	    Greg Kroah-Hartman (greg@kroah.com)
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  *
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- * See Documentation/usb/usb-serial.txt for more information on using this
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+ * See Documentation/usb/usb-serial.rst for more information on using this
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  * driver
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  */
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@@ -83,8 +83,8 @@
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 static int  whiteheat_open(struct tty_struct *tty,
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 			struct usb_serial_port *port);
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 static void whiteheat_close(struct usb_serial_port *port);
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-static int  whiteheat_ioctl(struct tty_struct *tty,
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-			unsigned int cmd, unsigned long arg);
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+static int  whiteheat_get_serial(struct tty_struct *tty,
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+			struct serial_struct *ss);
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 static void whiteheat_set_termios(struct tty_struct *tty,
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 			struct usb_serial_port *port, struct ktermios *old);
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 static int  whiteheat_tiocmget(struct tty_struct *tty);
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@@ -120,7 +120,7 @@
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 	.port_remove =		whiteheat_port_remove,
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 	.open =			whiteheat_open,
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 	.close =		whiteheat_close,
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-	.ioctl =		whiteheat_ioctl,
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+	.get_serial =		whiteheat_get_serial,
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 	.set_termios =		whiteheat_set_termios,
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 	.break_ctl =		whiteheat_break_ctl,
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 	.tiocmget =		whiteheat_tiocmget,
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@@ -442,33 +442,21 @@
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 }
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-static int whiteheat_ioctl(struct tty_struct *tty,
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-					unsigned int cmd, unsigned long arg)
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+static int whiteheat_get_serial(struct tty_struct *tty,
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+				struct serial_struct *ss)
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 {
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 	struct usb_serial_port *port = tty->driver_data;
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-	struct serial_struct serstruct;
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-	void __user *user_arg = (void __user *)arg;
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449
 
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-	switch (cmd) {
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-	case TIOCGSERIAL:
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-		memset(&serstruct, 0, sizeof(serstruct));
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-		serstruct.type = PORT_16654;
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-		serstruct.line = port->minor;
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-		serstruct.port = port->port_number;
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-		serstruct.xmit_fifo_size = kfifo_size(&port->write_fifo);
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-		serstruct.custom_divisor = 0;
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-		serstruct.baud_base = 460800;
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-		serstruct.close_delay = CLOSING_DELAY;
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-		serstruct.closing_wait = CLOSING_DELAY;
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+	ss->type = PORT_16654;
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+	ss->line = port->minor;
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+	ss->port = port->port_number;
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+	ss->xmit_fifo_size = kfifo_size(&port->write_fifo);
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+	ss->custom_divisor = 0;
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+	ss->baud_base = 460800;
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+	ss->close_delay = CLOSING_DELAY;
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+	ss->closing_wait = CLOSING_DELAY;
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458
 
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-		if (copy_to_user(user_arg, &serstruct, sizeof(serstruct)))
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-			return -EFAULT;
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-		break;
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-	default:
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-		break;
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-	}
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-
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-	return -ENOIOCTLCMD;
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+	return 0;
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 }
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@@ -611,9 +599,8 @@
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 		switch (command) {
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 		case WHITEHEAT_GET_DTR_RTS:
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 			info = usb_get_serial_port_data(port);
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-			memcpy(&info->mcr, command_info->result_buffer,
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-					sizeof(struct whiteheat_dr_info));
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-				break;
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+			info->mcr = command_info->result_buffer[0];
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+			break;
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 		}
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 	}
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 exit: