diff options
Diffstat (limited to 'drivers/net/can/kvaser_pciefd.c')
| -rw-r--r-- | drivers/net/can/kvaser_pciefd.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/drivers/net/can/kvaser_pciefd.c b/drivers/net/can/kvaser_pciefd.c index 3af747cbbde4..ccba42c544a3 100644 --- a/drivers/net/can/kvaser_pciefd.c +++ b/drivers/net/can/kvaser_pciefd.c @@ -643,7 +643,7 @@ static int kvaser_pciefd_bus_on(struct kvaser_pciefd_can *can) static void kvaser_pciefd_pwm_stop(struct kvaser_pciefd_can *can) { - int top, trigger; + u8 top; u32 pwm_ctrl; unsigned long irq; @@ -651,12 +651,8 @@ static void kvaser_pciefd_pwm_stop(struct kvaser_pciefd_can *can) pwm_ctrl = ioread32(can->reg_base + KVASER_PCIEFD_KCAN_PWM_REG); top = (pwm_ctrl >> KVASER_PCIEFD_KCAN_PWM_TOP_SHIFT) & 0xff; - trigger = (100 * top + 50) / 100; - if (trigger < 0) - trigger = 0; - - pwm_ctrl = trigger & 0xff; - pwm_ctrl |= (top & 0xff) << KVASER_PCIEFD_KCAN_PWM_TOP_SHIFT; + /* Set duty cycle to zero */ + pwm_ctrl |= top; iowrite32(pwm_ctrl, can->reg_base + KVASER_PCIEFD_KCAN_PWM_REG); spin_unlock_irqrestore(&can->lock, irq); } |