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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-03-15 08:43:49 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-03-15 08:43:49 +0100 |
| commit | 280def1e1c17d35b21206881937d4498bcc1f503 (patch) | |
| tree | 6e40d88144f06dce56338c60073b85b36207f1ef /drivers/net/can/flexcan.c | |
| parent | 3d82be8be6fdf38543fa3ae9c35beda4a8a8d067 (diff) | |
| parent | 1e28eed17697bcf343c6743f0028cc3b5dd88bf0 (diff) | |
| download | linux-280def1e1c17d35b21206881937d4498bcc1f503.tar.gz linux-280def1e1c17d35b21206881937d4498bcc1f503.tar.bz2 linux-280def1e1c17d35b21206881937d4498bcc1f503.zip | |
Merge 5.12-rc3 into tty-next
Resolves a merge issue with:
drivers/tty/hvc/hvcs.c
and we want the tty/serial fixes from 5.12-rc3 in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net/can/flexcan.c')
| -rw-r--r-- | drivers/net/can/flexcan.c | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c index 971ada36e37f..134c05757a3b 100644 --- a/drivers/net/can/flexcan.c +++ b/drivers/net/can/flexcan.c @@ -701,7 +701,7 @@ static int flexcan_chip_freeze(struct flexcan_priv *priv) u32 reg; reg = priv->read(®s->mcr); - reg |= FLEXCAN_MCR_HALT; + reg |= FLEXCAN_MCR_FRZ | FLEXCAN_MCR_HALT; priv->write(reg, ®s->mcr); while (timeout-- && !(priv->read(®s->mcr) & FLEXCAN_MCR_FRZ_ACK)) @@ -1480,10 +1480,13 @@ static int flexcan_chip_start(struct net_device *dev) flexcan_set_bittiming(dev); + /* set freeze, halt */ + err = flexcan_chip_freeze(priv); + if (err) + goto out_chip_disable; + /* MCR * - * enable freeze - * halt now * only supervisor access * enable warning int * enable individual RX masking @@ -1492,9 +1495,8 @@ static int flexcan_chip_start(struct net_device *dev) */ reg_mcr = priv->read(®s->mcr); reg_mcr &= ~FLEXCAN_MCR_MAXMB(0xff); - reg_mcr |= FLEXCAN_MCR_FRZ | FLEXCAN_MCR_HALT | FLEXCAN_MCR_SUPV | - FLEXCAN_MCR_WRN_EN | FLEXCAN_MCR_IRMQ | FLEXCAN_MCR_IDAM_C | - FLEXCAN_MCR_MAXMB(priv->tx_mb_idx); + reg_mcr |= FLEXCAN_MCR_SUPV | FLEXCAN_MCR_WRN_EN | FLEXCAN_MCR_IRMQ | + FLEXCAN_MCR_IDAM_C | FLEXCAN_MCR_MAXMB(priv->tx_mb_idx); /* MCR * @@ -1865,10 +1867,14 @@ static int register_flexcandev(struct net_device *dev) if (err) goto out_chip_disable; - /* set freeze, halt and activate FIFO, restrict register access */ + /* set freeze, halt */ + err = flexcan_chip_freeze(priv); + if (err) + goto out_chip_disable; + + /* activate FIFO, restrict register access */ reg = priv->read(®s->mcr); - reg |= FLEXCAN_MCR_FRZ | FLEXCAN_MCR_HALT | - FLEXCAN_MCR_FEN | FLEXCAN_MCR_SUPV; + reg |= FLEXCAN_MCR_FEN | FLEXCAN_MCR_SUPV; priv->write(reg, ®s->mcr); /* Currently we only support newer versions of this core |