[S390] add reset call handler to the ap bus.

[Martin Schwidefsky]

From: Ralph Wuerthner <[EMAIL PROTECTED]>

[S390] add reset call handler to the ap bus.

Signed-off-by: Ralph Wuerthner <[EMAIL PROTECTED]>
Signed-off-by: Martin Schwidefsky <[EMAIL PROTECTED]>
---

 drivers/s390/crypto/ap_bus.c |   17 +++++++++++++++++
 1 files changed, 17 insertions(+)

diff -urpN linux-2.6/drivers/s390/crypto/ap_bus.c 
linux-2.6-patched/drivers/s390/crypto/ap_bus.c
--- linux-2.6/drivers/s390/crypto/ap_bus.c      2006-12-08 15:52:24.000000000 
+0100
+++ linux-2.6-patched/drivers/s390/crypto/ap_bus.c      2006-12-08 
15:52:47.000000000 +0100
@@ -33,6 +33,7 @@
 #include <linux/kthread.h>
 #include <linux/mutex.h>
 #include <asm/s390_rdev.h>
+#include <asm/reset.h>
 
 #include "ap_bus.h"
 
@@ -1128,6 +1129,19 @@ static void ap_poll_thread_stop(void)
        mutex_unlock(&ap_poll_thread_mutex);
 }
 
+static void ap_reset(void)
+{
+       int i, j;
+
+       for (i = 0; i < AP_DOMAINS; i++)
+               for (j = 0; j < AP_DEVICES; j++)
+                       ap_reset_queue(AP_MKQID(j, i));
+}
+
+static struct reset_call ap_reset_call = {
+       .fn = ap_reset,
+};
+
 /**
  * The module initialization code.
  */
@@ -1144,6 +1158,7 @@ int __init ap_module_init(void)
                printk(KERN_WARNING "AP instructions not installed.\n");
                return -ENODEV;
        }
+       register_reset_call(&ap_reset_call);
 
        /* Create /sys/bus/ap. */
        rc = bus_register(&ap_bus_type);
@@ -1197,6 +1212,7 @@ out_bus:
                bus_remove_file(&ap_bus_type, ap_bus_attrs[i]);
        bus_unregister(&ap_bus_type);
 out:
+       unregister_reset_call(&ap_reset_call);
        return rc;
 }
 
@@ -1227,6 +1243,7 @@ void ap_module_exit(void)
        for (i = 0; ap_bus_attrs[i]; i++)
                bus_remove_file(&ap_bus_type, ap_bus_attrs[i]);
        bus_unregister(&ap_bus_type);
+       unregister_reset_call(&ap_reset_call);
 }
 
 #ifndef CONFIG_ZCRYPT_MONOLITHIC
-
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