The following commit has been merged into the timers/core branch of tip:
Commit-ID: ad1ded9d2e3d1eb452ff58d325aadf237e187bd9
Gitweb: https://git.kernel.org/tip/ad1ded9d2e3d1eb452ff58d325aadf237e187bd9
Author: Matheus Castello <matheus@xxxxxxxxxxxxxxx>
AuthorDate: Tue, 18 Feb 2020 21:48:10 -03:00
Committer: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
CommitterDate: Thu, 27 Feb 2020 09:42:00 +01:00
clocksource/drivers/owl: Improve owl_timer_init fail messages
Check the return from clocksource_mmio_init, add messages in case of
an error and in case of not having a defined clock property.
Signed-off-by: Matheus Castello <matheus@xxxxxxxxxxxxxxx>
Signed-off-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20200219004810.411190-1-matheus@xxxxxxxxxxxxxxx
---
drivers/clocksource/timer-owl.c | 15 +++++++++++----
1 file changed, 11 insertions(+), 4 deletions(-)
diff --git a/drivers/clocksource/timer-owl.c b/drivers/clocksource/timer-owl.c
index 900fe73..ac97420 100644
--- a/drivers/clocksource/timer-owl.c
+++ b/drivers/clocksource/timer-owl.c
@@ -135,8 +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);
@@ -144,8 +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);
|