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tty: Update cdc_acm 

The CDC ACM driver uses the tty layer correctly so needs conversion. Start by
adding and initializing the port structures.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hifive-unleashed-5.1
Alan Cox 2009-06-11 12:27:50 +01:00 committed by Linus Torvalds
parent 335f8514f2
commit 739e0285cb
2 changed files with 7 additions and 1 deletions
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5
drivers/usb/class/cdc-acm.c
View File

@ -89,6 +89,9 @@ static DEFINE_MUTEX(open_mutex);
#define ACM_READY(acm) (acm && acm->dev && acm->used)
static const struct tty_port_operations acm_port_ops = {
};
#ifdef VERBOSE_DEBUG
#define verbose 1
#else
@ -1082,6 +1085,8 @@ skip_normal_probe:
spin_lock_init(&acm->read_lock);
mutex_init(&acm->mutex);
acm->rx_endpoint = usb_rcvbulkpipe(usb_dev, epread->bEndpointAddress);
tty_port_init(&acm->port);
acm->port.ops = &acm_port_ops;
buf = usb_buffer_alloc(usb_dev, ctrlsize, GFP_KERNEL, &acm->ctrl_dma);
if (!buf) {

3
drivers/usb/class/cdc-acm.h
View File

@ -90,7 +90,8 @@ struct acm {
struct usb_interface *control; /* control interface */
struct usb_interface *data; /* data interface */
struct tty_struct *tty; /* the corresponding tty */
struct urb *ctrlurb; /* urbs */
struct tty_port port; /* our tty port data */
struct urb *ctrlurb; /* urbs */
u8 *ctrl_buffer; /* buffers of urbs */
dma_addr_t ctrl_dma; /* dma handles of buffers */
u8 *country_codes; /* country codes from device */