can: ti hecc module : add platform specific initialization callback.
[deliverable/linux.git] / drivers / net / can / ti_hecc.c
index b861cd561074bd327d290f6e34cbcee8d455f6cc..0c3d2ba0d1789cf665f590868dd0ab8af8dc7e99 100644 (file)
  *         .mbx_offset             = 0x2000,
  *         .int_line               = 0,
  *         .revision               = 1,
+ *         .transceiver_switch     = hecc_phy_control,
  * };
  *
- * Please see include/can/platform/ti_hecc.h for description of above fields
+ * Please see include/linux/can/platform/ti_hecc.h for description of
+ * above fields.
  *
  */
 
@@ -220,6 +222,7 @@ struct ti_hecc_priv {
        u32 tx_head;
        u32 tx_tail;
        u32 rx_next;
+       void (*transceiver_switch)(int);
 };
 
 static inline int get_tx_head_mb(struct ti_hecc_priv *priv)
@@ -317,6 +320,13 @@ static int ti_hecc_set_btc(struct ti_hecc_priv *priv)
        return 0;
 }
 
+static void ti_hecc_transceiver_switch(const struct ti_hecc_priv *priv,
+                                       int on)
+{
+       if (priv->transceiver_switch)
+               priv->transceiver_switch(on);
+}
+
 static void ti_hecc_reset(struct net_device *ndev)
 {
        u32 cnt;
@@ -818,10 +828,13 @@ static int ti_hecc_open(struct net_device *ndev)
                return err;
        }
 
+       ti_hecc_transceiver_switch(priv, 1);
+
        /* Open common can device */
        err = open_candev(ndev);
        if (err) {
                dev_err(ndev->dev.parent, "open_candev() failed %d\n", err);
+               ti_hecc_transceiver_switch(priv, 0);
                free_irq(ndev->irq, ndev);
                return err;
        }
@@ -842,6 +855,7 @@ static int ti_hecc_close(struct net_device *ndev)
        ti_hecc_stop(ndev);
        free_irq(ndev->irq, ndev);
        close_candev(ndev);
+       ti_hecc_transceiver_switch(priv, 0);
 
        return 0;
 }
@@ -903,6 +917,7 @@ static int ti_hecc_probe(struct platform_device *pdev)
        priv->hecc_ram_offset = pdata->hecc_ram_offset;
        priv->mbx_offset = pdata->mbx_offset;
        priv->int_line = pdata->int_line;
+       priv->transceiver_switch = pdata->transceiver_switch;
 
        priv->can.bittiming_const = &ti_hecc_bittiming_const;
        priv->can.do_set_mode = ti_hecc_do_set_mode;
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