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usb: isp1760: don't be noisy about short packets.

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According to Alan Stern, short packets are quite normal under
certain circumstances. This printk was triggered by usb to
serial converters on every packet and some usb sticks triggered
a few of those while plugging the stick.
This printks are now hidden unless USB debug mode is activated.

Cc: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Sebastian Siewior <sebastian@breakpoint.cc>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Sebastian Siewior 2008-07-17 20:09:29 +02:00 committed by Greg Kroah-Hartman
parent 3f02a957d5
commit 7839b5162d
2 changed files with 6 additions and 3 deletions
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6
drivers/usb/host/isp1760-hcd.c
View file

@ -1128,11 +1128,11 @@ static void do_atl_int(struct usb_hcd *usb_hcd)
} else if (usb_pipebulk(urb->pipe) && (length < qtd->length)) {
/* short BULK received */
printk(KERN_ERR "short bulk, %d instead %zu\n", length,
qtd->length);
if (urb->transfer_flags & URB_SHORT_NOT_OK) {
urb->status = -EREMOTEIO;
printk(KERN_ERR "not okey\n");
isp1760_dbg(priv, "short bulk, %d instead %zu "
"with URB_SHORT_NOT_OK flag.\n",
length, qtd->length);
}
if (urb->status == -EINPROGRESS)

3
drivers/usb/host/isp1760-hcd.h
View file

@ -121,6 +121,9 @@ struct inter_packet_info {
typedef void (packet_enqueue)(struct usb_hcd *hcd, struct isp1760_qh *qh,
struct isp1760_qtd *qtd);
#define isp1760_dbg(priv, fmt, args...) \
dev_dbg(priv_to_hcd(priv)->self.controller, fmt, ##args)
#define isp1760_info(priv, fmt, args...) \
dev_info(priv_to_hcd(priv)->self.controller, fmt, ##args)