linux-kernel - [34/89] usbnet/cdc_ncm: add missing .reset

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Message-Id: <20110616000232.330398035@clark.kroah.org>
Date:	Wed, 15 Jun 2011 16:59:57 -0700
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Stefan Metzmacher <metze@...ba.org>,
	"David S. Miller" <davem@...emloft.net>
Subject: [34/89] usbnet/cdc_ncm: add missing .reset_resume hook

2.6.39-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Stefan Metzmacher <metze@...ba.org>

commit 85e3c65fa3a1d0542c181510a950a2be7733ff29 upstream.

This avoids messages like this after suspend:

   cdc_ncm 2-1.4:1.6: no reset_resume for driver cdc_ncm?
   cdc_ncm 2-1.4:1.7: no reset_resume for driver cdc_ncm?
   cdc_ncm 2-1.4:1.6: usb0: unregister 'cdc_ncm' usb-0000:00:1d.0-1.4, CDC NCM

This is important for the Ericsson F5521gw GSM/UMTS modem.
Otherwise modemmanager looses the fact that the cdc_ncm and cdc_acm devices
belong together.

The cdc_ether module does the same.

Signed-off-by: Stefan Metzmacher <metze@...ba.org>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/net/usb/cdc_ncm.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/net/usb/cdc_ncm.c
+++ b/drivers/net/usb/cdc_ncm.c
@@ -1254,6 +1254,7 @@ static struct usb_driver cdc_ncm_driver
 	.disconnect = cdc_ncm_disconnect,
 	.suspend = usbnet_suspend,
 	.resume = usbnet_resume,
+	.reset_resume =	usbnet_resume,
 	.supports_autosuspend = 1,
 };

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