ne: Add platform_driver

Add a platform_driver interface to ne driver.
(Existing legacy ports did not covered by this ne_driver for now)

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 89 insertions, 2 deletions

diff --git a/drivers/net/ne.c b/drivers/net/ne.c
index a5c4199e275..aef470d6b9a 100644
--- a/drivers/net/ne.c
+++ b/drivers/net/ne.c
@@ -51,6 +51,7 @@ static const char version2[] =
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
 #include <linux/jiffies.h>
+#include <linux/platform_device.h>
 
 #include <asm/system.h>
 #include <asm/io.h>
@@ -807,6 +808,87 @@ retry:
         return;
 }
 
+static int __init ne_drv_probe(struct platform_device *pdev)
+{
+        struct net_device *dev;
+        struct resource *res;
+        int err, irq;
+
+        res = platform_get_resource(pdev, IORESOURCE_IO, 0);
+        irq = platform_get_irq(pdev, 0);
+        if (!res || irq < 0)
+                return -ENODEV;
+
+        dev = alloc_ei_netdev();
+        if (!dev)
+                return -ENOMEM;
+        dev->irq = irq;
+        dev->base_addr = res->start;
+        err = do_ne_probe(dev);
+        if (err) {
+                free_netdev(dev);
+                return err;
+        }
+        platform_set_drvdata(pdev, dev);
+        return 0;
+}
+
+static int __exit ne_drv_remove(struct platform_device *pdev)
+{
+        struct net_device *dev = platform_get_drvdata(pdev);
+
+        unregister_netdev(dev);
+        free_irq(dev->irq, dev);
+        release_region(dev->base_addr, NE_IO_EXTENT);
+        free_netdev(dev);
+        return 0;
+}
+
+#ifdef CONFIG_PM
+static int ne_drv_suspend(struct platform_device *pdev, pm_message_t state)
+{
+        struct net_device *dev = platform_get_drvdata(pdev);
+
+        if (netif_running(dev))
+                netif_device_detach(dev);
+        return 0;
+}
+
+static int ne_drv_resume(struct platform_device *pdev)
+{
+        struct net_device *dev = platform_get_drvdata(pdev);
+
+        if (netif_running(dev)) {
+                ne_reset_8390(dev);
+                NS8390_init(dev, 1);
+                netif_device_attach(dev);
+        }
+        return 0;
+}
+#else
+#define ne_drv_suspend NULL
+#define ne_drv_resume NULL
+#endif
+
+static struct platform_driver ne_driver = {
+        .remove         = __exit_p(ne_drv_remove),
+        .suspend        = ne_drv_suspend,
+        .resume         = ne_drv_resume,
+        .driver         = {
+                .name   = DRV_NAME,
+                .owner  = THIS_MODULE,
+        },
+};
+
+static int __init ne_init(void)
+{
+        return platform_driver_probe(&ne_driver, ne_drv_probe);
+}
+
+static void __exit ne_exit(void)
+{
+        platform_driver_unregister(&ne_driver);
+}
 
 #ifdef MODULE
 #define MAX_NE_CARDS    4       /* Max number of NE cards per module */
@@ -832,6 +914,7 @@ ISA device autoprobes on a running machine are not recommended anyway. */
 int __init init_module(void)
 {
         int this_dev, found = 0;
+        int plat_found = !ne_init();
 
         for (this_dev = 0; this_dev < MAX_NE_CARDS; this_dev++) {
                 struct net_device *dev = alloc_ei_netdev();
@@ -845,7 +928,7 @@ int __init init_module(void)
                         continue;
                 }
                 free_netdev(dev);
-                if (found)
+                if (found || plat_found)
                         break;
                 if (io[this_dev] != 0)
                         printk(KERN_WARNING "ne.c: No NE*000 card found at i/o = %#x\n", io[this_dev]);
@@ -853,7 +936,7 @@ int __init init_module(void)
                         printk(KERN_NOTICE "ne.c: You must supply \"io=0xNNN\" value(s) for ISA cards.\n");
                 return -ENXIO;
         }
-        if (found)
+        if (found || plat_found)
                 return 0;
         return -ENODEV;
 }
@@ -871,6 +954,7 @@ void __exit cleanup_module(void)
 {
         int this_dev;
 
+        ne_exit();
         for (this_dev = 0; this_dev < MAX_NE_CARDS; this_dev++) {
                 struct net_device *dev = dev_ne[this_dev];
                 if (dev) {
@@ -880,4 +964,7 @@ void __exit cleanup_module(void)
                 }
         }
 }
+#else /* MODULE */
+module_init(ne_init);
+module_exit(ne_exit);
 #endif /* MODULE */