mv643xx_eth: Fix compile error for architectures without clk.

Commit 452503ebc (ARM: Orion: Eth: Add clk/clkdev support.) broke
the building of the driver on architectures which don't have clk
support. In particular PPC32 Pegasos which uses this driver.

Add #ifdef around the clk API usage.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/marvell/mv643xx_eth.c b/drivers/net/ethernet/marvell/mv643xx_eth.c
index 04d901d..f0f06b2 100644 (file)
--- a/drivers/net/ethernet/marvell/mv643xx_eth.c
+++ b/drivers/net/ethernet/marvell/mv643xx_eth.c
@@ -436,7 +436,9 @@ struct mv643xx_eth_private {
        /*
         * Hardware-specific parameters.
         */
+#if defined(CONFIG_HAVE_CLK)
        struct clk *clk;
+#endif
        unsigned int t_clk;
 };
 
@@ -2895,17 +2897,17 @@ static int mv643xx_eth_probe(struct platform_device *pdev)
        mp->dev = dev;
 
        /*
-        * Get the clk rate, if there is one, otherwise use the default.
+        * Start with a default rate, and if there is a clock, allow
+        * it to override the default.
         */
+       mp->t_clk = 133000000;
+#if defined(CONFIG_HAVE_CLK)
        mp->clk = clk_get(&pdev->dev, (pdev->id ? "1" : "0"));
        if (!IS_ERR(mp->clk)) {
                clk_prepare_enable(mp->clk);
                mp->t_clk = clk_get_rate(mp->clk);
-       } else {
-               mp->t_clk = 133000000;
-               printk(KERN_WARNING "Unable to get clock");
        }
-
+#endif
        set_params(mp, pd);
        netif_set_real_num_tx_queues(dev, mp->txq_count);
        netif_set_real_num_rx_queues(dev, mp->rxq_count);
@@ -2995,10 +2997,13 @@ static int mv643xx_eth_remove(struct platform_device *pdev)
                phy_detach(mp->phy);
        cancel_work_sync(&mp->tx_timeout_task);
 
+#if defined(CONFIG_HAVE_CLK)
        if (!IS_ERR(mp->clk)) {
                clk_disable_unprepare(mp->clk);
                clk_put(mp->clk);
        }
+#endif
+
        free_netdev(mp->dev);
 
        platform_set_drvdata(pdev, NULL);