linux-kernel - [ 035/104] gianfar: do not advertise any alarm capability.

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Message-Id: <20130506230047.219048504@linuxfoundation.org>
Date:	Mon,  6 May 2013 16:11:54 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Richard Cochran <richardcochran@...il.com>,
	Chris LaRocque <clarocq@...il.com>,
	"David S. Miller" <davem@...emloft.net>
Subject: [ 035/104] gianfar: do not advertise any alarm capability.

3.8-stable review patch.  If anyone has any objections, please let me know.

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

From: Richard Cochran <richardcochran@...il.com>

commit cd4baaaa04b4aaa3b0ec4d13a6f3d203b92eadbd upstream.

An early draft of the PHC patch series included an alarm in the
gianfar driver. During the review process, the alarm code was dropped,
but the capability removal was overlooked. This patch fixes the issue
by advertising zero alarms.

This patch should be applied to every 3.x stable kernel.

Signed-off-by: Richard Cochran <richardcochran@...il.com>
Reported-by: Chris LaRocque <clarocq@...il.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/net/ethernet/freescale/gianfar_ptp.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

--- a/drivers/net/ethernet/freescale/gianfar_ptp.c
+++ b/drivers/net/ethernet/freescale/gianfar_ptp.c
@@ -127,7 +127,6 @@ struct gianfar_ptp_registers {

 #define DRIVER		"gianfar_ptp"
 #define DEFAULT_CKSEL	1
-#define N_ALARM		1 /* first alarm is used internally to reset fipers */
 #define N_EXT_TS	2
 #define REG_SIZE	sizeof(struct gianfar_ptp_registers)

@@ -410,7 +409,7 @@ static struct ptp_clock_info ptp_gianfar
 	.owner		= THIS_MODULE,
 	.name		= "gianfar clock",
 	.max_adj	= 512000,
-	.n_alarm	= N_ALARM,
+	.n_alarm	= 0,
 	.n_ext_ts	= N_EXT_TS,
 	.n_per_out	= 0,
 	.pps		= 1,

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