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cdc-acm: cleaning up debug in data submission path 

Further cleanup making the debug messages more precise, useful
and removing mere trace points.

Signed-off-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
hifive-unleashed-5.1
Oliver Neukum 2016-09-13 16:44:37 +02:00 committed by Greg Kroah-Hartman
parent 46e75075ba
commit efbe27b3cf
1 changed files with 6 additions and 10 deletions
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16
drivers/usb/class/cdc-acm.c
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@ -415,8 +415,9 @@ static void acm_read_bulk_callback(struct urb *urb)
unsigned long flags;
int status = urb->status;
dev_vdbg(&acm->data->dev, "%s - urb %d, len %d\n", __func__,
rb->index, urb->actual_length);
dev_vdbg(&acm->data->dev, "got urb %d, len %d, status %d\n",
rb->index, urb->actual_length,
status);
if (!acm->dev) {
set_bit(rb->index, &acm->read_urbs_free);
@ -426,8 +427,6 @@ static void acm_read_bulk_callback(struct urb *urb)
if (status) {
set_bit(rb->index, &acm->read_urbs_free);
dev_dbg(&acm->data->dev, "%s - non-zero urb status: %d\n",
__func__, status);
if ((status != -ENOENT) || (urb->actual_length == 0))
return;
}
@ -462,8 +461,7 @@ static void acm_write_bulk(struct urb *urb)
int status = urb->status;
if (status || (urb->actual_length != urb->transfer_buffer_length))
dev_vdbg(&acm->data->dev, "%s - len %d/%d, status %d\n",
__func__,
dev_vdbg(&acm->data->dev, "wrote len %d/%d, status %d\n",
urb->actual_length,
urb->transfer_buffer_length,
status);
@ -478,8 +476,6 @@ static void acm_softint(struct work_struct *work)
{
struct acm *acm = container_of(work, struct acm, work);
dev_vdbg(&acm->data->dev, "%s\n", __func__);
tty_port_tty_wakeup(&acm->port);
}
@ -674,7 +670,7 @@ static int acm_tty_write(struct tty_struct *tty,
if (!count)
return 0;
dev_vdbg(&acm->data->dev, "%s - count %d\n", __func__, count);
dev_vdbg(&acm->data->dev, "%d bytes from tty layer\n", count);
spin_lock_irqsave(&acm->write_lock, flags);
wbn = acm_wb_alloc(acm);
@ -691,7 +687,7 @@ static int acm_tty_write(struct tty_struct *tty,
}
count = (count > acm->writesize) ? acm->writesize : count;
dev_vdbg(&acm->data->dev, "%s - write %d\n", __func__, count);
dev_vdbg(&acm->data->dev, "writing %d bytes\n", count);
memcpy(wb->buf, buf, count);
wb->len = count;