USB: gadget: f_acm: use CDC defines
authorJohan Hovold <johan@kernel.org>
Mon, 25 Jul 2022 07:58:40 +0000 (09:58 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 25 Jul 2022 08:57:42 +0000 (10:57 +0200)
Use the new CDC control-line and serial-state defines.

Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20220725075841.1187-7-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/gadget/function/f_acm.c

index 411eb48..cb523f1 100644 (file)
@@ -57,18 +57,8 @@ struct f_acm {
 
        /* SetControlLineState request -- CDC 1.1 section 6.2.14 (INPUT) */
        u16                             port_handshake_bits;
-#define ACM_CTRL_RTS   (1 << 1)        /* unused with full duplex */
-#define ACM_CTRL_DTR   (1 << 0)        /* host is ready for data r/w */
-
        /* SerialState notification -- CDC 1.1 section 6.3.5 (OUTPUT) */
        u16                             serial_state;
-#define ACM_CTRL_OVERRUN       (1 << 6)
-#define ACM_CTRL_PARITY                (1 << 5)
-#define ACM_CTRL_FRAMING       (1 << 4)
-#define ACM_CTRL_RI            (1 << 3)
-#define ACM_CTRL_BRK           (1 << 2)
-#define ACM_CTRL_DSR           (1 << 1)
-#define ACM_CTRL_DCD           (1 << 0)
 };
 
 static inline struct f_acm *func_to_acm(struct usb_function *f)
@@ -387,7 +377,7 @@ static int acm_setup(struct usb_function *f, const struct usb_ctrlrequest *ctrl)
                value = 0;
 
                /* FIXME we should not allow data to flow until the
-                * host sets the ACM_CTRL_DTR bit; and when it clears
+                * host sets the USB_CDC_CTRL_DTR bit; and when it clears
                 * that bit, we should return to that no-flow state.
                 */
                acm->port_handshake_bits = w_value;
@@ -585,7 +575,7 @@ static void acm_connect(struct gserial *port)
 {
        struct f_acm            *acm = port_to_acm(port);
 
-       acm->serial_state |= ACM_CTRL_DSR | ACM_CTRL_DCD;
+       acm->serial_state |= USB_CDC_SERIAL_STATE_DSR | USB_CDC_SERIAL_STATE_DCD;
        acm_notify_serial_state(acm);
 }
 
@@ -593,7 +583,7 @@ static void acm_disconnect(struct gserial *port)
 {
        struct f_acm            *acm = port_to_acm(port);
 
-       acm->serial_state &= ~(ACM_CTRL_DSR | ACM_CTRL_DCD);
+       acm->serial_state &= ~(USB_CDC_SERIAL_STATE_DSR | USB_CDC_SERIAL_STATE_DCD);
        acm_notify_serial_state(acm);
 }
 
@@ -603,9 +593,9 @@ static int acm_send_break(struct gserial *port, int duration)
        u16                     state;
 
        state = acm->serial_state;
-       state &= ~ACM_CTRL_BRK;
+       state &= ~USB_CDC_SERIAL_STATE_BREAK;
        if (duration)
-               state |= ACM_CTRL_BRK;
+               state |= USB_CDC_SERIAL_STATE_BREAK;
 
        acm->serial_state = state;
        return acm_notify_serial_state(acm);