3.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Alexander Stein <alexander.st...@systec-electronic.com>
commit 2bd3bc4e8472424f1a6009825397639a8968920a upstream.
According to C_CAN documentation, the reserved bit in IFx_MASK2 register is
fixed 1.
Signed-off-by: Alexander Stein <alexander.st...@systec-electronic.com>
Signed-off-by: Marc Kleine-Budde <m...@pengutronix.de>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <b...@decadent.org.uk>
Cc: Qiang Huang <h.huangqi...@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/net/can/c_can/c_can.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
--- a/drivers/net/can/c_can/c_can.c
+++ b/drivers/net/can/c_can/c_can.c
@@ -446,8 +446,12 @@ static void c_can_setup_receive_object(s
priv->write_reg(priv, &priv->regs->ifregs[iface].mask1,
IFX_WRITE_LOW_16BIT(mask));
+
+ /* According to C_CAN documentation, the reserved bit
+ * in IFx_MASK2 register is fixed 1
+ */
priv->write_reg(priv, &priv->regs->ifregs[iface].mask2,
- IFX_WRITE_HIGH_16BIT(mask));
+ IFX_WRITE_HIGH_16BIT(mask) | BIT(13));
priv->write_reg(priv, &priv->regs->ifregs[iface].arb1,
IFX_WRITE_LOW_16BIT(id));
--
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