Upgrade to 4.4.50-rt62

[kvmfornfv.git] / kernel / drivers / net / can / ti_hecc.c

diff --git a/kernel/drivers/net/can/ti_hecc.c b/kernel/drivers/net/can/ti_hecc.c
index e95a9e1..6749b18 100644 (file)
--- a/kernel/drivers/net/can/ti_hecc.c
+++ b/kernel/drivers/net/can/ti_hecc.c
@@ -722,7 +722,6 @@ static int ti_hecc_error(struct net_device *ndev, int int_status,
        if (err_status & HECC_BUS_ERROR) {
                ++priv->can.can_stats.bus_error;
                cf->can_id |= CAN_ERR_BUSERROR | CAN_ERR_PROT;
-               cf->data[2] |= CAN_ERR_PROT_UNSPEC;
                if (err_status & HECC_CANES_FE) {
                        hecc_set_bit(priv, HECC_CANES, HECC_CANES_FE);
                        cf->data[2] |= CAN_ERR_PROT_FORM;
@@ -737,19 +736,17 @@ static int ti_hecc_error(struct net_device *ndev, int int_status,
                }
                if (err_status & HECC_CANES_CRCE) {
                        hecc_set_bit(priv, HECC_CANES, HECC_CANES_CRCE);
-                       cf->data[3] |= CAN_ERR_PROT_LOC_CRC_SEQ |
-                                       CAN_ERR_PROT_LOC_CRC_DEL;
+                       cf->data[3] = CAN_ERR_PROT_LOC_CRC_SEQ;
                }
                if (err_status & HECC_CANES_ACKE) {
                        hecc_set_bit(priv, HECC_CANES, HECC_CANES_ACKE);
-                       cf->data[3] |= CAN_ERR_PROT_LOC_ACK |
-                                       CAN_ERR_PROT_LOC_ACK_DEL;
+                       cf->data[3] = CAN_ERR_PROT_LOC_ACK;
                }
        }
 
-       netif_rx(skb);
        stats->rx_packets++;
        stats->rx_bytes += cf->can_dlc;
+       netif_rx(skb);
 
        return 0;
 }
@@ -951,7 +948,12 @@ static int ti_hecc_probe(struct platform_device *pdev)
        netif_napi_add(ndev, &priv->napi, ti_hecc_rx_poll,
                HECC_DEF_NAPI_WEIGHT);
 
-       clk_enable(priv->clk);
+       err = clk_prepare_enable(priv->clk);
+       if (err) {
+               dev_err(&pdev->dev, "clk_prepare_enable() failed\n");
+               goto probe_exit_clk;
+       }
+
        err = register_candev(ndev);
        if (err) {
                dev_err(&pdev->dev, "register_candev() failed\n");
@@ -984,7 +986,7 @@ static int ti_hecc_remove(struct platform_device *pdev)
        struct ti_hecc_priv *priv = netdev_priv(ndev);
 
        unregister_candev(ndev);
-       clk_disable(priv->clk);
+       clk_disable_unprepare(priv->clk);
        clk_put(priv->clk);
        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
        iounmap(priv->base);
@@ -1009,7 +1011,7 @@ static int ti_hecc_suspend(struct platform_device *pdev, pm_message_t state)
        hecc_set_bit(priv, HECC_CANMC, HECC_CANMC_PDR);
        priv->can.state = CAN_STATE_SLEEPING;
 
-       clk_disable(priv->clk);
+       clk_disable_unprepare(priv->clk);
 
        return 0;
 }
@@ -1018,8 +1020,11 @@ static int ti_hecc_resume(struct platform_device *pdev)
 {
        struct net_device *dev = platform_get_drvdata(pdev);
        struct ti_hecc_priv *priv = netdev_priv(dev);
+       int err;
 
-       clk_enable(priv->clk);
+       err = clk_prepare_enable(priv->clk);
+       if (err)
+               return err;
 
        hecc_clear_bit(priv, HECC_CANMC, HECC_CANMC_PDR);
        priv->can.state = CAN_STATE_ERROR_ACTIVE;