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authorJohan Hovold <johan@kernel.org>2020-09-21 15:59:50 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-09-25 17:01:12 +0200
commit319bb4a7fef74231e3297b8f70419c9d410e2e63 (patch)
tree55219ff9280cfbc5693c9d73adf1f5307e440884 /drivers/usb/class
parent960c7339de27c6d6fec13b54880501c3576bb08d (diff)
downloadlinux-319bb4a7fef74231e3297b8f70419c9d410e2e63.tar.gz
USB: cdc-acm: use common data-class define
Use the data-class define provided by USB core and drop the
driver-specific one.

Acked-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20200921135951.24045-4-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/class')
-rw-r--r--drivers/usb/class/cdc-acm.c6
-rw-r--r--drivers/usb/class/cdc-acm.h2
2 files changed, 2 insertions, 6 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 30137d1b0d8d..cd738fbbe59b 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1288,10 +1288,8 @@ look_for_collapsed_interface:
 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 a50ea3911042..96331c81550e 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)