USB: cdc-acm: use CDC serial-state defines

Use the new CDC serial-state defines.

Signed-off-by: Johan Hovold <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/usb/class/cdc-acm.c

···
 		dev_dbg(&acm->control->dev,
 			"%s - serial state: 0x%x\n", __func__, newctrl);
 
-		if (!acm->clocal && (acm->ctrlin & ~newctrl & ACM_CTRL_DCD)) {
+		if (!acm->clocal && (acm->ctrlin & ~newctrl & USB_CDC_SERIAL_STATE_DCD)) {
 			dev_dbg(&acm->control->dev,
 				"%s - calling hangup\n", __func__);
 			tty_port_tty_hangup(&acm->port, false);
···
 		acm->ctrlin = newctrl;
 		acm->oldcount = acm->iocount;
 
-		if (difference & ACM_CTRL_DSR)
+		if (difference & USB_CDC_SERIAL_STATE_DSR)
 			acm->iocount.dsr++;
-		if (difference & ACM_CTRL_DCD)
+		if (difference & USB_CDC_SERIAL_STATE_DCD)
 			acm->iocount.dcd++;
-		if (newctrl & ACM_CTRL_BRK) {
+		if (newctrl & USB_CDC_SERIAL_STATE_BREAK) {
 			acm->iocount.brk++;
 			tty_insert_flip_char(&acm->port, 0, TTY_BREAK);
 		}
-		if (newctrl & ACM_CTRL_RI)
+		if (newctrl & USB_CDC_SERIAL_STATE_RING_SIGNAL)
 			acm->iocount.rng++;
-		if (newctrl & ACM_CTRL_FRAMING)
+		if (newctrl & USB_CDC_SERIAL_STATE_FRAMING)
 			acm->iocount.frame++;
-		if (newctrl & ACM_CTRL_PARITY)
+		if (newctrl & USB_CDC_SERIAL_STATE_PARITY)
 			acm->iocount.parity++;
-		if (newctrl & ACM_CTRL_OVERRUN)
+		if (newctrl & USB_CDC_SERIAL_STATE_OVERRUN)
 			acm->iocount.overrun++;
 		spin_unlock_irqrestore(&acm->read_lock, flags);
 
-		if (newctrl & ACM_CTRL_BRK)
+		if (newctrl & USB_CDC_SERIAL_STATE_BREAK)
 			tty_flip_buffer_push(&acm->port);
 
 		if (difference)
···
 
 	return (acm->ctrlout & USB_CDC_CTRL_DTR ? TIOCM_DTR : 0) |
 	       (acm->ctrlout & USB_CDC_CTRL_RTS ? TIOCM_RTS : 0) |
-	       (acm->ctrlin  & ACM_CTRL_DSR ? TIOCM_DSR : 0) |
-	       (acm->ctrlin  & ACM_CTRL_RI  ? TIOCM_RI  : 0) |
-	       (acm->ctrlin  & ACM_CTRL_DCD ? TIOCM_CD  : 0) |
+	       (acm->ctrlin  & USB_CDC_SERIAL_STATE_DSR ? TIOCM_DSR : 0) |
+	       (acm->ctrlin  & USB_CDC_SERIAL_STATE_RING_SIGNAL ? TIOCM_RI : 0) |
+	       (acm->ctrlin  & USB_CDC_SERIAL_STATE_DCD ? TIOCM_CD : 0) |
 	       TIOCM_CTS;
 }
 

drivers/usb/class/cdc-acm.h

···
 #define USB_RT_ACM		(USB_TYPE_CLASS | USB_RECIP_INTERFACE)
 
 /*
- * Input control lines and line errors.
- */
-
-#define ACM_CTRL_DCD		0x01
-#define ACM_CTRL_DSR		0x02
-#define ACM_CTRL_BRK		0x04
-#define ACM_CTRL_RI		0x08
-
-#define ACM_CTRL_FRAMING	0x10
-#define ACM_CTRL_PARITY		0x20
-#define ACM_CTRL_OVERRUN	0x40
-
-/*
  * Internal driver structures.
  */