diff mbox series

[3/4] USB: cdc-acm: use common data-class define

Message ID 20200921113525.32187-4-johan@kernel.org
State New
Headers show
Series USB: cdc-acm: handle broken union descriptors | expand

Commit Message

Johan Hovold Sept. 21, 2020, 11:35 a.m. UTC 
Use the data-class define provided by USB core and drop the
driver-specific one.

Signed-off-by: Johan Hovold <johan@kernel.org>
---
 drivers/usb/class/cdc-acm.c | 6 ++----
 drivers/usb/class/cdc-acm.h | 2 --
 2 files changed, 2 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 5b1a1cd0168d..2758e295871e 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1287,10 +1287,8 @@  static int acm_probe(struct usb_interface *intf,
 skip_normal_probe:
 
 	/*workaround for switched interfaces */
-	if (data_interface->cur_altsetting->desc.bInterfaceClass
-						!= CDC_DATA_INTERFACE_TYPE) {
-		if (control_interface->cur_altsetting->desc.bInterfaceClass
-						== CDC_DATA_INTERFACE_TYPE) {
+	if (data_interface->cur_altsetting->desc.bInterfaceClass != USB_CLASS_CDC_DATA) {
+		if (control_interface->cur_altsetting->desc.bInterfaceClass == USB_CLASS_CDC_DATA) {
 			dev_dbg(&intf->dev,
 				"Your device has switched interfaces.\n");
 			swap(control_interface, data_interface);
diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h
index cd5e9d8ab237..b7174a0098a5 100644
--- a/drivers/usb/class/cdc-acm.h
+++ b/drivers/usb/class/cdc-acm.h
@@ -131,8 +131,6 @@  struct acm {
 	unsigned long quirks;
 };
 
-#define CDC_DATA_INTERFACE_TYPE	0x0a
-
 /* constants describing various quirks and errors */
 #define NO_UNION_NORMAL			BIT(0)
 #define SINGLE_RX_URB			BIT(1)