diff options
Diffstat (limited to 'drivers/net/can')
| -rw-r--r-- | drivers/net/can/peak_canfd/peak_pciefd_main.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/net/can/peak_canfd/peak_pciefd_main.c b/drivers/net/can/peak_canfd/peak_pciefd_main.c index b09961b1eeef..c458d5fdc8d3 100644 --- a/drivers/net/can/peak_canfd/peak_pciefd_main.c +++ b/drivers/net/can/peak_canfd/peak_pciefd_main.c @@ -488,13 +488,16 @@ static int pciefd_post_cmd(struct peak_canfd_priv *ucan) /* controller now in reset mode: */ + /* disable IRQ for this CAN */ + pciefd_can_writereg(priv, CANFD_CTL_IEN_BIT, + PCIEFD_REG_CAN_RX_CTL_CLR); + /* stop and reset DMA addresses in Tx/Rx engines */ pciefd_can_clear_tx_dma(priv); pciefd_can_clear_rx_dma(priv); - /* disable IRQ for this CAN */ - pciefd_can_writereg(priv, CANFD_CTL_IEN_BIT, - PCIEFD_REG_CAN_RX_CTL_CLR); + /* wait for above commands to complete (read cycle) */ + (void)pciefd_sys_readreg(priv->board, PCIEFD_REG_SYS_VER1); free_irq(priv->ucan.ndev->irq, priv); |