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author | Marc Kleine-Budde <mkl@pengutronix.de> | 2012-07-20 22:30:40 +0200 |
---|---|---|
committer | Marc Kleine-Budde <mkl@pengutronix.de> | 2012-11-29 14:30:34 +0100 |
commit | 49ed59b72cb03116682dd6ab5c04117cc710bff3 (patch) | |
tree | 189ef280cb0bc7485d07cc6fe94cb6c509ebcacd | |
parent | ab48b03ec9ae1840a1e427e2375bd0d9d554b4ed (diff) | |
download | linux-stable-49ed59b72cb03116682dd6ab5c04117cc710bff3.tar.gz linux-stable-49ed59b72cb03116682dd6ab5c04117cc710bff3.tar.bz2 linux-stable-49ed59b72cb03116682dd6ab5c04117cc710bff3.zip |
can: mscan: remove obsolete variable open_time
The variable open_time in the struct mscan_priv was used to protect
mscan_do_set_mode() only to be called, if the interface is up. Now the CAN
device infrastructure takes care of this.
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
-rw-r--r-- | drivers/net/can/mscan/mscan.c | 8 | ||||
-rw-r--r-- | drivers/net/can/mscan/mscan.h | 1 |
2 files changed, 0 insertions, 9 deletions
diff --git a/drivers/net/can/mscan/mscan.c b/drivers/net/can/mscan/mscan.c index 2b104d5f422c..e6b40954e204 100644 --- a/drivers/net/can/mscan/mscan.c +++ b/drivers/net/can/mscan/mscan.c @@ -517,12 +517,8 @@ static irqreturn_t mscan_isr(int irq, void *dev_id) static int mscan_do_set_mode(struct net_device *dev, enum can_mode mode) { - struct mscan_priv *priv = netdev_priv(dev); int ret = 0; - if (!priv->open_time) - return -EINVAL; - switch (mode) { case CAN_MODE_START: ret = mscan_restart(dev); @@ -590,8 +586,6 @@ static int mscan_open(struct net_device *dev) goto exit_napi_disable; } - priv->open_time = jiffies; - if (priv->can.ctrlmode & CAN_CTRLMODE_LISTENONLY) setbits8(®s->canctl1, MSCAN_LISTEN); else @@ -606,7 +600,6 @@ static int mscan_open(struct net_device *dev) return 0; exit_free_irq: - priv->open_time = 0; free_irq(dev->irq, dev); exit_napi_disable: napi_disable(&priv->napi); @@ -627,7 +620,6 @@ static int mscan_close(struct net_device *dev) mscan_set_mode(dev, MSCAN_INIT_MODE); close_candev(dev); free_irq(dev->irq, dev); - priv->open_time = 0; return 0; } diff --git a/drivers/net/can/mscan/mscan.h b/drivers/net/can/mscan/mscan.h index b43e9f5d3268..af2ed8baf0a3 100644 --- a/drivers/net/can/mscan/mscan.h +++ b/drivers/net/can/mscan/mscan.h @@ -281,7 +281,6 @@ struct tx_queue_entry { struct mscan_priv { struct can_priv can; /* must be the first member */ unsigned int type; /* MSCAN type variants */ - long open_time; unsigned long flags; void __iomem *reg_base; /* ioremap'ed address to registers */ u8 shadow_statflg; |