diff options
Diffstat (limited to 'drivers/net/can')
| -rw-r--r-- | drivers/net/can/flexcan.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c index 44ac211af7eb..29d1dbe89351 100644 --- a/drivers/net/can/flexcan.c +++ b/drivers/net/can/flexcan.c @@ -878,8 +878,7 @@ static inline u64 flexcan_read_reg_iflag_rx(struct flexcan_priv *priv) struct flexcan_regs __iomem *regs = priv->regs; u32 iflag1, iflag2; - iflag2 = priv->read(®s->iflag2) & priv->rx_mask2 & - ~FLEXCAN_IFLAG2_MB(priv->tx_mb_idx); + iflag2 = priv->read(®s->iflag2) & priv->rx_mask2; iflag1 = priv->read(®s->iflag1) & priv->rx_mask1; return (u64)iflag2 << 32 | iflag1; @@ -1228,7 +1227,7 @@ static int flexcan_chip_start(struct net_device *dev) disable_irq(dev->irq); priv->write(priv->reg_ctrl_default, ®s->ctrl); priv->write(priv->rx_mask1, ®s->imask1); - priv->write(priv->rx_mask2, ®s->imask2); + priv->write(priv->rx_mask2 | FLEXCAN_IFLAG2_MB(priv->tx_mb_idx), ®s->imask2); enable_irq(dev->irq); /* print chip status */ @@ -1297,9 +1296,6 @@ static int flexcan_open(struct net_device *dev) priv->tx_mb_idx = priv->mb_count - 1; priv->tx_mb = flexcan_get_mb(priv, priv->tx_mb_idx); - priv->rx_mask1 = 0; - priv->rx_mask2 = FLEXCAN_IFLAG2_MB(priv->tx_mb_idx); - priv->offload.mailbox_read = flexcan_mailbox_read; if (priv->devtype_data->quirks & FLEXCAN_QUIRK_USE_OFF_TIMESTAMP) { @@ -1310,12 +1306,12 @@ static int flexcan_open(struct net_device *dev) imask = GENMASK_ULL(priv->offload.mb_last, priv->offload.mb_first); - priv->rx_mask1 |= imask; - priv->rx_mask2 |= imask >> 32; + priv->rx_mask1 = imask; + priv->rx_mask2 = imask >> 32; err = can_rx_offload_add_timestamp(dev, &priv->offload); } else { - priv->rx_mask1 |= FLEXCAN_IFLAG_RX_FIFO_OVERFLOW | + priv->rx_mask1 = FLEXCAN_IFLAG_RX_FIFO_OVERFLOW | FLEXCAN_IFLAG_RX_FIFO_AVAILABLE; err = can_rx_offload_add_fifo(dev, &priv->offload, FLEXCAN_NAPI_WEIGHT); |