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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