smc911x: introduce platform data flags

This patch adds a new header file for platform data information
together with code that adds run time bus width and irq flag support.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Cc: Jeff Garzik <jeff@garzik.org>
Cc: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

1 files changed, 16 insertions, 1 deletions

diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c
index 2ca4db85f938..fc605f276c00 100644
--- a/drivers/net/smc911x.c
+++ b/drivers/net/smc911x.c
@@ -1819,6 +1819,7 @@ static int __init smc911x_probe(struct net_device *dev)
         int i, retval;
         unsigned int val, chip_id, revision;
         const char *version_string;
+        unsigned long irq_flags;
 
         DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__);
 
@@ -1985,9 +1986,15 @@ static int __init smc911x_probe(struct net_device *dev)
         lp->ctl_rfduplx = 1;
         lp->ctl_rspeed = 100;
 
+#ifdef SMC_DYNAMIC_BUS_CONFIG
+        irq_flags = lp->cfg.irq_flags;
+#else
+        irq_flags = IRQF_SHARED | SMC_IRQ_SENSE;
+#endif
+
         /* Grab the IRQ */
         retval = request_irq(dev->irq, &smc911x_interrupt,
-                        IRQF_SHARED | SMC_IRQ_SENSE, dev->name, dev);
+                             irq_flags, dev->name, dev);
         if (retval)
                 goto err_out;
 
@@ -2057,6 +2064,7 @@ err_out:
  */
 static int smc911x_drv_probe(struct platform_device *pdev)
 {
+        struct smc91x_platdata *pd = pdev->dev.platform_data;
         struct net_device *ndev;
         struct resource *res;
         struct smc911x_local *lp;
@@ -2090,6 +2098,13 @@ static int smc911x_drv_probe(struct platform_device *pdev)
         ndev->irq = platform_get_irq(pdev, 0);
         lp = netdev_priv(ndev);
         lp->netdev = ndev;
+#ifdef SMC_DYNAMIC_BUS_CONFIG
+        if (!pd) {
+                ret = -EINVAL;
+                goto release_both;
+        }
+        memcpy(&lp->cfg, pd, sizeof(lp->cfg));
+#endif
 
         addr = ioremap(res->start, SMC911X_IO_EXTENT);
         if (!addr) {