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USB: cdc-acm: use common data-class define

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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>
This commit is contained in:
Johan Hovold 2020-09-21 15:59:50 +02:00 committed by Greg Kroah-Hartman
parent 960c7339de
commit 319bb4a7fe
2 changed files with 2 additions and 6 deletions
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6
drivers/usb/class/cdc-acm.c
View file

@ -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);

2
drivers/usb/class/cdc-acm.h
View file

@ -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)