[S390] add reset call handler to the ap bus. (85eca850) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/s390/crypto/ap_bus.c

+17 −0

Original line number	Diff line number	Diff line
		@@ -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 @@ int __init ap_module_init(void)
		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