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authorMarc Kleine-Budde <mkl@pengutronix.de>2012-07-20 22:30:40 +0200
committerMarc Kleine-Budde <mkl@pengutronix.de>2012-11-29 14:30:34 +0100
commit49ed59b72cb03116682dd6ab5c04117cc710bff3 (patch)
tree189ef280cb0bc7485d07cc6fe94cb6c509ebcacd /drivers
parentcan: Do not call dev_put if restart timer is running upon close (diff)
downloadlinux-49ed59b72cb03116682dd6ab5c04117cc710bff3.tar.xz
linux-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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/can/mscan/mscan.c8
-rw-r--r--drivers/net/can/mscan/mscan.h1
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(&regs->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;