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* pull-request: can 2013-02-01
@ 2013-02-01  9:25 Marc Kleine-Budde
  2013-02-01  9:25 ` [PATCH] can: c_can: Set reserved bit in IFx_MASK2 to 1 on write Marc Kleine-Budde
  2013-02-03  4:10 ` pull-request: can 2013-02-01 David Miller
  0 siblings, 2 replies; 3+ messages in thread
From: Marc Kleine-Budde @ 2013-02-01  9:25 UTC (permalink / raw)
  To: netdev; +Cc: linux-can

Hello David,

here's a patch for net for the v3.8 release cycle. Alexander Stein noticed that
the c_can hardware has a fixed bit in the IFx_MASK2 register. His patch fixes
writing of this register by always setting this bit.

regards,
Marc

---

The following changes since commit 66555e92fb7a619188c02cceae4bbc414f15f96d:

  tcp: detect SYN/data drop when F-RTO is disabled (2013-01-31 14:20:07 -0500)

are available in the git repository at:

  git://gitorious.org/linux-can/linux-can.git fixes-for-3.8

for you to fetch changes up to 2bd3bc4e8472424f1a6009825397639a8968920a:

  can: c_can: Set reserved bit in IFx_MASK2 to 1 on write (2013-02-01 10:20:22 +0100)

----------------------------------------------------------------
Alexander Stein (1):
      can: c_can: Set reserved bit in IFx_MASK2 to 1 on write

 drivers/net/can/c_can/c_can.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

^ permalink raw reply	[flat|nested] 3+ messages in thread

* [PATCH] can: c_can: Set reserved bit in IFx_MASK2 to 1 on write
  2013-02-01  9:25 pull-request: can 2013-02-01 Marc Kleine-Budde
@ 2013-02-01  9:25 ` Marc Kleine-Budde
  2013-02-03  4:10 ` pull-request: can 2013-02-01 David Miller
  1 sibling, 0 replies; 3+ messages in thread
From: Marc Kleine-Budde @ 2013-02-01  9:25 UTC (permalink / raw)
  To: netdev; +Cc: linux-can, Alexander Stein, linux-stable, Marc Kleine-Budde

From: Alexander Stein <alexander.stein@systec-electronic.com>

According to C_CAN documentation, the reserved bit in IFx_MASK2 register is
fixed 1.

Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
---
 drivers/net/can/c_can/c_can.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c
index 58607f1..2282b1a 100644
--- a/drivers/net/can/c_can/c_can.c
+++ b/drivers/net/can/c_can/c_can.c
@@ -488,8 +488,12 @@ static void c_can_setup_receive_object(struct net_device *dev, int iface,
 
 	priv->write_reg(priv, C_CAN_IFACE(MASK1_REG, iface),
 			IFX_WRITE_LOW_16BIT(mask));
+
+	/* According to C_CAN documentation, the reserved bit
+	 * in IFx_MASK2 register is fixed 1
+	 */
 	priv->write_reg(priv, C_CAN_IFACE(MASK2_REG, iface),
-			IFX_WRITE_HIGH_16BIT(mask));
+			IFX_WRITE_HIGH_16BIT(mask) | BIT(13));
 
 	priv->write_reg(priv, C_CAN_IFACE(ARB1_REG, iface),
 			IFX_WRITE_LOW_16BIT(id));
-- 
1.7.10.4


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: pull-request: can 2013-02-01
  2013-02-01  9:25 pull-request: can 2013-02-01 Marc Kleine-Budde
  2013-02-01  9:25 ` [PATCH] can: c_can: Set reserved bit in IFx_MASK2 to 1 on write Marc Kleine-Budde
@ 2013-02-03  4:10 ` David Miller
  1 sibling, 0 replies; 3+ messages in thread
From: David Miller @ 2013-02-03  4:10 UTC (permalink / raw)
  To: mkl; +Cc: netdev, linux-can

From: Marc Kleine-Budde <mkl@pengutronix.de>
Date: Fri,  1 Feb 2013 10:25:13 +0100

> here's a patch for net for the v3.8 release cycle. Alexander Stein
> noticed that the c_can hardware has a fixed bit in the IFx_MASK2
> register. His patch fixes writing of this register by always setting
> this bit.

Pulled, thanks Marc.

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2013-02-03  4:10 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2013-02-01  9:25 pull-request: can 2013-02-01 Marc Kleine-Budde
2013-02-01  9:25 ` [PATCH] can: c_can: Set reserved bit in IFx_MASK2 to 1 on write Marc Kleine-Budde
2013-02-03  4:10 ` pull-request: can 2013-02-01 David Miller

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