[PatchV3 3/3] usb: plusb: Add debug to reset function

From: Simon Wood
Date: Thu Apr 07 2011 - 23:19:36 EST


From: simon <simon@ubuntu.(none)>

This patch adds some debug to the reset function to print out the
reason why it fails.

Signed-off-by: Simon Wood <simon@xxxxxxxxxxxxx>
---
drivers/net/usb/plusb.c | 6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/drivers/net/usb/plusb.c b/drivers/net/usb/plusb.c
index f46aa07..217aec8 100644
--- a/drivers/net/usb/plusb.c
+++ b/drivers/net/usb/plusb.c
@@ -94,11 +94,15 @@ pl_set_QuickLink_features(struct usbnet *dev, int val)

static int pl_reset(struct usbnet *dev)
{
+ int status;
+
/* some units seem to need this reset, others reject it utterly.
* FIXME be more like "naplink" or windows drivers.
*/
- (void) pl_set_QuickLink_features(dev,
+ status = pl_set_QuickLink_features(dev,
PL_S_EN|PL_RESET_OUT|PL_RESET_IN|PL_PEER_E);
+ if (status != 0 && netif_msg_probe(dev))
+ netif_dbg(dev, link, dev->net, "pl_reset --> %d\n", status);
return 0;
}

--
1.7.4.1

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