1 files changed, 0 insertions, 130 deletions
diff --git a/kernel/ethosu_watchdog.c b/kernel/ethosu_watchdog.c
deleted file mode 100644
index bde0803..0000000
--- a/kernel/ethosu_watchdog.c
+++ /dev/null
@@ -1,130 +0,0 @@
-/*
- * Copyright (c) 2022 Arm Limited.
- *
- * This program is free software and is provided to you under the terms of the
- * GNU General Public License version 2 as published by the Free Software
- * Foundation, and any use by you of this program is subject to the terms
- * of such GNU licence.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, you can access it online at
- * http://www.gnu.org/licenses/gpl-2.0.html.
- *
- * SPDX-License-Identifier: GPL-2.0-only
- */
-
-/****************************************************************************
- * Includes
- ****************************************************************************/
-
-#include "ethosu_watchdog.h"
-
-#include <linux/device.h>
-#include <linux/jiffies.h>
-#include <linux/moduleparam.h>
-#include <linux/version.h>
-
-/****************************************************************************
- * Variables
- ****************************************************************************/
-
-static unsigned long watchdog_timeout_ms = 3000;
-module_param(watchdog_timeout_ms, ulong, 0664);
-MODULE_PARM_DESC(watchdog_timeout_ms,
-		 "Watchdog timeout in milliseconds for unresponsive firmware.");
-
-/****************************************************************************
- * Functions
- ****************************************************************************/
-
-static void ethosu_watchdog_update(struct ethosu_watchdog *wdog)
-{
-	int ret;
-
-	ret = mod_timer(&wdog->timer,
-			jiffies + msecs_to_jiffies(watchdog_timeout_ms));
-
-	dev_info(wdog->dev,
-		 "Wdog: Update watchdog timeout. ret=%d, timeout_ms=%lu, refcount=%u", ret,
-		 watchdog_timeout_ms, atomic_read(&wdog->refcount));
-}
-
-static void ethosu_watchdog_work(struct work_struct *work)
-{
-	struct ethosu_watchdog *wdog =
-		container_of(work, struct ethosu_watchdog, work);
-
-	dev_info(wdog->dev, "Wdog: Watchdog timeout. refcount=%u",
-		 atomic_read(&wdog->refcount));
-
-	wdog->callback(wdog);
-}
-
-static void ethosu_watchdog_timeout(struct timer_list *timer)
-{
-	struct ethosu_watchdog *wdog =
-		container_of(timer, struct ethosu_watchdog, timer);
-
-	queue_work(system_unbound_wq, &wdog->work);
-}
-
-#if KERNEL_VERSION(4, 14, 0) > LINUX_VERSION_CODE
-static void ethosu_watchdog_timeout_legacy(unsigned long data)
-{
-	ethosu_watchdog_timeout((struct timer_list *)data);
-}
-
-#endif
-
-int ethosu_watchdog_init(struct ethosu_watchdog *wdog,
-			 struct device *dev,
-			 ethosu_watchdog_cb callback)
-{
-	wdog->dev = dev;
-	wdog->callback = callback;
-	atomic_set(&wdog->refcount, 0);
-	INIT_WORK(&wdog->work, ethosu_watchdog_work);
-
-#if KERNEL_VERSION(4, 14, 0) <= LINUX_VERSION_CODE
-	timer_setup(&wdog->timer, ethosu_watchdog_timeout, 0);
-#else
-	setup_timer(&wdog->timer, ethosu_watchdog_timeout_legacy,
-		    (unsigned long)&wdog->timer);
-#endif
-
-	return 0;
-}
-
-void ethosu_watchdog_deinit(struct ethosu_watchdog *wdog)
-{
-	del_timer(&wdog->timer);
-}
-
-int ethosu_watchdog_reset(struct ethosu_watchdog *wdog)
-{
-	del_timer(&wdog->timer);
-	atomic_set(&wdog->refcount, 0);
-
-	return 0;
-}
-
-void ethosu_watchdog_inc(struct ethosu_watchdog *wdog)
-{
-	atomic_inc(&wdog->refcount);
-	ethosu_watchdog_update(wdog);
-}
-
-void ethosu_watchdog_dec(struct ethosu_watchdog *wdog)
-{
-	if (atomic_dec_and_test(&wdog->refcount)) {
-		dev_info(wdog->dev, "Wdog: Cancel watchdog timeout");
-		del_timer(&wdog->timer);
-	} else {
-		ethosu_watchdog_update(wdog);
-	}
-}