[PATCH net-next] can: bfin_can/ti_hecc/mscan: add missing do_get_berr_counter callback
From: Wolfgang Grandegger <hidden>
Date: 2012-02-01 10:14:15
Subsystem:
can network drivers, the rest · Maintainers:
Marc Kleine-Budde, Vincent Mailhol, Linus Torvalds
CC: Anant Gole <redacted> Signed-off-by: Wolfgang Grandegger <redacted> --- drivers/net/can/bfin_can.c | 15 +++++++++++++++ drivers/net/can/mscan/mscan.c | 16 +++++++++++++++- drivers/net/can/ti_hecc.c | 12 ++++++++++++ 3 files changed, 42 insertions(+), 1 deletions(-)
diff --git a/drivers/net/can/bfin_can.c b/drivers/net/can/bfin_can.c
index 9cf4ddb..3f88473 100644
--- a/drivers/net/can/bfin_can.c
+++ b/drivers/net/can/bfin_can.c@@ -221,6 +221,20 @@ static int bfin_can_set_mode(struct net_device *dev, enum can_mode mode) return 0; } +static int bfin_can_get_berr_counter(const struct net_device *dev, + struct can_berr_counter *bec) +{ + struct bfin_can_priv *priv = netdev_priv(dev); + struct bfin_can_regs __iomem *reg = priv->membase; + + u16 cec = bfin_read(®->cec); + + bec->txerr = cec >> 8; + bec->rxerr = cec; + + return 0; +} + static int bfin_can_start_xmit(struct sk_buff *skb, struct net_device *dev) { struct bfin_can_priv *priv = netdev_priv(dev);
@@ -505,6 +519,7 @@ struct net_device *alloc_bfin_candev(void) priv->can.bittiming_const = &bfin_can_bittiming_const; priv->can.do_set_bittiming = bfin_can_set_bittiming; priv->can.do_set_mode = bfin_can_set_mode; + priv->can.do_get_berr_counter = bfin_can_get_berr_counter; priv->can.ctrlmode_supported = CAN_CTRLMODE_3_SAMPLES; return dev;
diff --git a/drivers/net/can/mscan/mscan.c b/drivers/net/can/mscan/mscan.c
index ad8e687..41a2a2d 100644
--- a/drivers/net/can/mscan/mscan.c
+++ b/drivers/net/can/mscan/mscan.c@@ -559,6 +559,18 @@ static int mscan_do_set_bittiming(struct net_device *dev) return 0; } +static int mscan_get_berr_counter(const struct net_device *dev, + struct can_berr_counter *bec) +{ + struct mscan_priv *priv = netdev_priv(dev); + struct mscan_regs __iomem *regs = priv->reg_base; + + bec->txerr = in_8(®s->cantxerr); + bec->rxerr = in_8(®s->canrxerr); + + return 0; +} + static int mscan_open(struct net_device *dev) { int ret;
@@ -638,8 +650,10 @@ int register_mscandev(struct net_device *dev, int mscan_clksrc) else ctl1 &= ~MSCAN_CLKSRC; - if (priv->type == MSCAN_TYPE_MPC5121) + if (priv->type == MSCAN_TYPE_MPC5121) { + priv->can.do_get_berr_counter = mscan_get_berr_counter; ctl1 |= MSCAN_BORM; /* bus-off recovery upon request */ + } ctl1 |= MSCAN_CANE; out_8(®s->canctl1, ctl1);
diff --git a/drivers/net/can/ti_hecc.c b/drivers/net/can/ti_hecc.c
index e7151be..4accd7e 100644
--- a/drivers/net/can/ti_hecc.c
+++ b/drivers/net/can/ti_hecc.c@@ -458,6 +458,17 @@ static int ti_hecc_do_set_mode(struct net_device *ndev, enum can_mode mode) return ret; } +static int ti_hecc_get_berr_counter(const struct net_device *ndev, + struct can_berr_counter *bec) +{ + struct ti_hecc_priv *priv = netdev_priv(ndev); + + bec->txerr = hecc_read(priv, HECC_CANTEC); + bec->rxerr = hecc_read(priv, HECC_CANREC); + + return 0; +} + /* * ti_hecc_xmit: HECC Transmit *
@@ -923,6 +934,7 @@ static int ti_hecc_probe(struct platform_device *pdev) priv->can.bittiming_const = &ti_hecc_bittiming_const; priv->can.do_set_mode = ti_hecc_do_set_mode; priv->can.do_get_state = ti_hecc_get_state; + priv->can.do_get_berr_counter = ti_hecc_get_berr_counter; priv->can.ctrlmode_supported = CAN_CTRLMODE_3_SAMPLES; spin_lock_init(&priv->mbx_lock);
--
1.7.4.1