[PATCH] pcmcia: new suspend core

[deliverable/linux.git] / drivers / char / pcmcia / synclink_cs.c

diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c
index 7a0c7464812492166a14ebbd778c6e60cfb6dc0a..776103e560422c38ace32ac2edec775344d26d6e 100644 (file)
--- a/drivers/char/pcmcia/synclink_cs.c
+++ b/drivers/char/pcmcia/synclink_cs.c
@@ -1,7 +1,7 @@
 /*
  * linux/drivers/char/pcmcia/synclink_cs.c
  *
- * $Id: synclink_cs.c,v 4.26 2004/08/11 19:30:02 paulkf Exp $
+ * $Id: synclink_cs.c,v 4.34 2005/09/08 13:20:54 paulkf Exp $
  *
  * Device driver for Microgate SyncLink PC Card
  * multiprotocol serial adapter.
@@ -472,7 +472,7 @@ module_param_array(dosyncppp, int, NULL, 0);
 MODULE_LICENSE("GPL");
 
 static char *driver_name = "SyncLink PC Card driver";
-static char *driver_version = "$Revision: 4.26 $";
+static char *driver_version = "$Revision: 4.34 $";
 
 static struct tty_driver *serial_driver;
 
@@ -773,11 +773,37 @@ static void mgslpc_detach(dev_link_t *link)
     mgslpc_remove_device((MGSLPC_INFO *)link->priv);
 }
 
+static int mgslpc_suspend(struct pcmcia_device *dev)
+{
+       dev_link_t *link = dev_to_instance(dev);
+       MGSLPC_INFO *info = link->priv;
+
+       link->state |= DEV_SUSPEND;
+       info->stop = 1;
+       if (link->state & DEV_CONFIG)
+               pcmcia_release_configuration(link->handle);
+
+       return 0;
+}
+
+static int mgslpc_resume(struct pcmcia_device *dev)
+{
+       dev_link_t *link = dev_to_instance(dev);
+       MGSLPC_INFO *info = link->priv;
+
+       link->state &= ~DEV_SUSPEND;
+       if (link->state & DEV_CONFIG)
+               pcmcia_request_configuration(link->handle, &link->conf);
+       info->stop = 0;
+
+       return 0;
+}
+
+
 static int mgslpc_event(event_t event, int priority,
                        event_callback_args_t *args)
 {
     dev_link_t *link = args->client_data;
-    MGSLPC_INFO *info = link->priv;
     
     if (debug_level >= DEBUG_LEVEL_INFO)
            printk("mgslpc_event(0x%06x)\n", event);
@@ -794,23 +820,6 @@ static int mgslpc_event(event_t event, int priority,
            link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
            mgslpc_config(link);
            break;
-    case CS_EVENT_PM_SUSPEND:
-           link->state |= DEV_SUSPEND;
-           /* Fall through... */
-    case CS_EVENT_RESET_PHYSICAL:
-           /* Mark the device as stopped, to block IO until later */
-           info->stop = 1;
-           if (link->state & DEV_CONFIG)
-                   pcmcia_release_configuration(link->handle);
-           break;
-    case CS_EVENT_PM_RESUME:
-           link->state &= ~DEV_SUSPEND;
-           /* Fall through... */
-    case CS_EVENT_CARD_RESET:
-           if (link->state & DEV_CONFIG)
-                   pcmcia_request_configuration(link->handle, &link->conf);
-           info->stop = 0;
-           break;
     }
     return 0;
 }
@@ -1457,6 +1466,8 @@ static int startup(MGSLPC_INFO * info)
 
        info->pending_bh = 0;
        
+       memset(&info->icount, 0, sizeof(info->icount));
+
        init_timer(&info->tx_timer);
        info->tx_timer.data = (unsigned long)info;
        info->tx_timer.function = tx_timeout;
@@ -1946,9 +1957,13 @@ static int get_stats(MGSLPC_INFO * info, struct mgsl_icount __user *user_icount)
        int err;
        if (debug_level >= DEBUG_LEVEL_INFO)
                printk("get_params(%s)\n", info->device_name);
-       COPY_TO_USER(err,user_icount, &info->icount, sizeof(struct mgsl_icount));
-       if (err)
-               return -EFAULT;
+       if (!user_icount) {
+               memset(&info->icount, 0, sizeof(info->icount));
+       } else {
+               COPY_TO_USER(err, user_icount, &info->icount, sizeof(struct mgsl_icount));
+               if (err)
+                       return -EFAULT;
+       }
        return 0;
 }
 
@@ -2988,8 +3003,7 @@ int rx_alloc_buffers(MGSLPC_INFO *info)
 
 void rx_free_buffers(MGSLPC_INFO *info)
 {
-       if (info->rx_buf)
-               kfree(info->rx_buf);
+       kfree(info->rx_buf);
        info->rx_buf = NULL;
 }
 
@@ -3090,6 +3104,8 @@ static struct pcmcia_driver mgslpc_driver = {
        .event          = mgslpc_event,
        .detach         = mgslpc_detach,
        .id_table       = mgslpc_ids,
+       .suspend        = mgslpc_suspend,
+       .resume         = mgslpc_resume,
 };
 
 static struct tty_operations mgslpc_ops = {