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| author | David S. Miller <davem@davemloft.net> | 2015-05-04 03:45:09 (GMT) |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-05-04 03:45:09 (GMT) |
| commit | 4f6d25deed30e1c1918f9f7bbe7e63295ef2bf1b (patch) | |
| tree | 661aa109d73036455ebaa4ab649c2a43de9a38a6 | |
| parent | f0e9fc503a0d6c9d74ca5b6d1aaf87febbbd9b06 (diff) | |
| parent | 5793affe8c723ece8114b898ab9003c7d97f86d1 (diff) | |
| download | linux-4f6d25deed30e1c1918f9f7bbe7e63295ef2bf1b.tar.xz | |
Merge tag 'linux-can-fixes-for-4.1-20150501' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
this is a pull request of a single patch for net/master.
The patch is contributed by Jeppe Ledet-Pedersen, it fixes the
extended frame handling in the xilinx driver.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/can/xilinx_can.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/net/can/xilinx_can.c b/drivers/net/can/xilinx_can.c index 6bddfe0..fc55e8e 100644 --- a/drivers/net/can/xilinx_can.c +++ b/drivers/net/can/xilinx_can.c @@ -509,10 +509,11 @@ static int xcan_rx(struct net_device *ndev) cf->can_id |= CAN_RTR_FLAG; } - if (!(id_xcan & XCAN_IDR_SRR_MASK)) { - data[0] = priv->read_reg(priv, XCAN_RXFIFO_DW1_OFFSET); - data[1] = priv->read_reg(priv, XCAN_RXFIFO_DW2_OFFSET); + /* DW1/DW2 must always be read to remove message from RXFIFO */ + data[0] = priv->read_reg(priv, XCAN_RXFIFO_DW1_OFFSET); + data[1] = priv->read_reg(priv, XCAN_RXFIFO_DW2_OFFSET); + if (!(cf->can_id & CAN_RTR_FLAG)) { /* Change Xilinx CAN data format to socketCAN data format */ if (cf->can_dlc > 0) *(__be32 *)(cf->data) = cpu_to_be32(data[0]); |