diff options
| author | Alexander Stein <alexander.stein@systec-electronic.com> | 2012-12-13 13:06:10 +0400 |
|---|---|---|
| committer | Marc Kleine-Budde <mkl@pengutronix.de> | 2013-02-01 13:20:22 +0400 |
| commit | 2bd3bc4e8472424f1a6009825397639a8968920a (patch) | |
| tree | e88980d3bb175f2068531c248e5b46190b070cbd | |
| parent | 66555e92fb7a619188c02cceae4bbc414f15f96d (diff) | |
| download | linux-2bd3bc4e8472424f1a6009825397639a8968920a.tar.xz | |
can: c_can: Set reserved bit in IFx_MASK2 to 1 on write
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>
| -rw-r--r-- | drivers/net/can/c_can/c_can.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c index 58607f196c9e..2282b1ae9765 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)); |