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path: root/drivers/clocksource/timer-owl.c
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Diffstat (limited to 'drivers/clocksource/timer-owl.c')
-rw-r--r--drivers/clocksource/timer-owl.c21
1 files changed, 12 insertions, 9 deletions
diff --git a/drivers/clocksource/timer-owl.c b/drivers/clocksource/timer-owl.c
index ea00a5e8f95d..ac97420bfa7c 100644
--- a/drivers/clocksource/timer-owl.c
+++ b/drivers/clocksource/timer-owl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Actions Semi Owl timer
*
@@ -6,11 +7,6 @@
*
* Copyright (c) 2017 SUSE Linux GmbH
* Author: Andreas Färber
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
*/
#include <linux/clk.h>
@@ -139,8 +135,11 @@ static int __init owl_timer_init(struct device_node *node)
}
clk = of_clk_get(node, 0);
- if (IS_ERR(clk))
- return PTR_ERR(clk);
+ if (IS_ERR(clk)) {
+ ret = PTR_ERR(clk);
+ pr_err("Failed to get clock for clocksource (%d)\n", ret);
+ return ret;
+ }
rate = clk_get_rate(clk);
@@ -148,8 +147,12 @@ static int __init owl_timer_init(struct device_node *node)
owl_timer_set_enabled(owl_clksrc_base, true);
sched_clock_register(owl_timer_sched_read, 32, rate);
- clocksource_mmio_init(owl_clksrc_base + OWL_Tx_VAL, node->name,
- rate, 200, 32, clocksource_mmio_readl_up);
+ ret = clocksource_mmio_init(owl_clksrc_base + OWL_Tx_VAL, node->name,
+ rate, 200, 32, clocksource_mmio_readl_up);
+ if (ret) {
+ pr_err("Failed to register clocksource (%d)\n", ret);
+ return ret;
+ }
owl_timer_reset(owl_clkevt_base);