nfs: new subdir Documentation/filesystems/nfs

[safe/jmp/linux-2.6] / drivers / char / hvc_iseries.c

diff --git a/drivers/char/hvc_iseries.c b/drivers/char/hvc_iseries.c
index 8b6f197..936d05b 100644 (file)
--- a/drivers/char/hvc_iseries.c
+++ b/drivers/char/hvc_iseries.c
@@ -29,6 +29,7 @@
 #include <asm/hvconsole.h>
 #include <asm/vio.h>
 #include <asm/prom.h>
+#include <asm/firmware.h>
 #include <asm/iseries/vio.h>
 #include <asm/iseries/hv_call.h>
 #include <asm/iseries/hv_lp_config.h>
@@ -199,6 +200,9 @@ done:
 static struct hv_ops hvc_get_put_ops = {
        .get_chars = get_chars,
        .put_chars = put_chars,
+       .notifier_add = notifier_add_irq,
+       .notifier_del = notifier_del_irq,
+       .notifier_hangup = notifier_hangup_irq,
 };
 
 static int __devinit hvc_vio_probe(struct vio_dev *vdev,
@@ -237,7 +241,7 @@ static int __devexit hvc_vio_remove(struct vio_dev *vdev)
 static struct vio_driver hvc_vio_driver = {
        .id_table       = hvc_driver_table,
        .probe          = hvc_vio_probe,
-       .remove         = hvc_vio_remove,
+       .remove         = __devexit_p(hvc_vio_remove),
        .driver         = {
                .name   = hvc_driver_name,
                .owner  = THIS_MODULE,
@@ -471,7 +475,7 @@ static void hvc_handle_event(struct HvLpEvent *event)
        }
 }
 
-static int send_open(HvLpIndex remoteLp, void *sem)
+static int __init send_open(HvLpIndex remoteLp, void *sem)
 {
        return HvCallEvent_signalLpEventFast(remoteLp,
                        HvLpEvent_Type_VirtualIo,
@@ -483,11 +487,14 @@ static int send_open(HvLpIndex remoteLp, void *sem)
                        0, 0, 0, 0);
 }
 
-static int hvc_vio_init(void)
+static int __init hvc_vio_init(void)
 {
        atomic_t wait_flag;
        int rc;
 
+       if (!firmware_has_feature(FW_FEATURE_ISERIES))
+               return -EIO;
+
        /* +2 for fudge */
        rc = viopath_open(HvLpConfig_getPrimaryLpIndex(),
                        viomajorsubtype_chario, VIOCHAR_WINDOW + 2);
@@ -548,34 +555,36 @@ static int hvc_vio_init(void)
 }
 module_init(hvc_vio_init); /* after drivers/char/hvc_console.c */
 
-static void hvc_vio_exit(void)
+static void __exit hvc_vio_exit(void)
 {
        vio_unregister_driver(&hvc_vio_driver);
 }
 module_exit(hvc_vio_exit);
 
 /* the device tree order defines our numbering */
-static int hvc_find_vtys(void)
+static int __init hvc_find_vtys(void)
 {
        struct device_node *vty;
        int num_found = 0;
 
        for (vty = of_find_node_by_name(NULL, "vty"); vty != NULL;
                        vty = of_find_node_by_name(vty, "vty")) {
-               uint32_t *vtermno;
+               const uint32_t *vtermno;
 
                /* We have statically defined space for only a certain number
                 * of console adapters.
                 */
                if ((num_found >= MAX_NR_HVC_CONSOLES) ||
-                               (num_found >= VTTY_PORTS))
+                               (num_found >= VTTY_PORTS)) {
+                       of_node_put(vty);
                        break;
+               }
 
-               vtermno = (uint32_t *)get_property(vty, "reg", NULL);
+               vtermno = of_get_property(vty, "reg", NULL);
                if (!vtermno)
                        continue;
 
-               if (!device_is_compatible(vty, "IBM,iSeries-vty"))
+               if (!of_device_is_compatible(vty, "IBM,iSeries-vty"))
                        continue;
 
                if (num_found == 0)