Updated from Linux LTS 3.10.23 to 3.10.24
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@@ -712,22 +712,31 @@ static int c_can_set_mode(struct net_device *dev, enum can_mode mode)
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return 0;
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}
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static int c_can_get_berr_counter(const struct net_device *dev,
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struct can_berr_counter *bec)
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static int __c_can_get_berr_counter(const struct net_device *dev,
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struct can_berr_counter *bec)
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{
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unsigned int reg_err_counter;
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struct c_can_priv *priv = netdev_priv(dev);
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c_can_pm_runtime_get_sync(priv);
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reg_err_counter = priv->read_reg(priv, C_CAN_ERR_CNT_REG);
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bec->rxerr = (reg_err_counter & ERR_CNT_REC_MASK) >>
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ERR_CNT_REC_SHIFT;
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bec->txerr = reg_err_counter & ERR_CNT_TEC_MASK;
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return 0;
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}
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static int c_can_get_berr_counter(const struct net_device *dev,
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struct can_berr_counter *bec)
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{
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struct c_can_priv *priv = netdev_priv(dev);
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int err;
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c_can_pm_runtime_get_sync(priv);
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err = __c_can_get_berr_counter(dev, bec);
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c_can_pm_runtime_put_sync(priv);
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return 0;
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return err;
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}
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/*
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@@ -872,7 +881,7 @@ static int c_can_handle_state_change(struct net_device *dev,
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if (unlikely(!skb))
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return 0;
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c_can_get_berr_counter(dev, &bec);
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__c_can_get_berr_counter(dev, &bec);
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reg_err_counter = priv->read_reg(priv, C_CAN_ERR_CNT_REG);
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rx_err_passive = (reg_err_counter & ERR_CNT_RP_MASK) >>
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ERR_CNT_RP_SHIFT;
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@@ -494,20 +494,20 @@ irqreturn_t sja1000_interrupt(int irq, void *dev_id)
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uint8_t isrc, status;
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int n = 0;
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/* Shared interrupts and IRQ off? */
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if (priv->read_reg(priv, SJA1000_IER) == IRQ_OFF)
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return IRQ_NONE;
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if (priv->pre_irq)
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priv->pre_irq(priv);
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/* Shared interrupts and IRQ off? */
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if (priv->read_reg(priv, SJA1000_IER) == IRQ_OFF)
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goto out;
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while ((isrc = priv->read_reg(priv, SJA1000_IR)) &&
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(n < SJA1000_MAX_IRQ)) {
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n++;
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status = priv->read_reg(priv, SJA1000_SR);
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/* check for absent controller due to hw unplug */
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if (status == 0xFF && sja1000_is_absent(priv))
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return IRQ_NONE;
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goto out;
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if (isrc & IRQ_WUI)
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netdev_warn(dev, "wakeup interrupt\n");
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@@ -535,7 +535,7 @@ irqreturn_t sja1000_interrupt(int irq, void *dev_id)
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status = priv->read_reg(priv, SJA1000_SR);
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/* check for absent controller */
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if (status == 0xFF && sja1000_is_absent(priv))
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return IRQ_NONE;
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goto out;
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}
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}
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if (isrc & (IRQ_DOI | IRQ_EI | IRQ_BEI | IRQ_EPI | IRQ_ALI)) {
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@@ -543,8 +543,9 @@ irqreturn_t sja1000_interrupt(int irq, void *dev_id)
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if (sja1000_err(dev, isrc, status))
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break;
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}
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n++;
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}
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out:
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if (priv->post_irq)
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priv->post_irq(priv);
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