[net] gianfar: do not advertise any alarm capability.

Submitted by Richard Cochran on April 23, 2013, 5:42 a.m.

Details

Message ID 16ea6333aec82761aa7e2207b53cfbad85e9245b.1366695641.git.richardcochran@gmail.com
State Accepted
Delegated to: David Miller
Headers show

Commit Message

Richard Cochran April 23, 2013, 5:42 a.m.
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@gmail.com>
Reported-by: Chris LaRocque <clarocq@gmail.com>
Cc: <stable@vger.kernel.org>
---
 drivers/net/ethernet/freescale/gianfar_ptp.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

Comments

David Miller April 25, 2013, 5:46 a.m.
From: Richard Cochran <richardcochran@gmail.com>
Date: Tue, 23 Apr 2013 07:42:16 +0200

> 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@gmail.com>
> Reported-by: Chris LaRocque <clarocq@gmail.com>
> Cc: <stable@vger.kernel.org>

Applied.
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diff --git a/drivers/net/ethernet/freescale/gianfar_ptp.c b/drivers/net/ethernet/freescale/gianfar_ptp.c
index 2e5daee..a3f8a25 100644
--- 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_caps = {
 	.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,