diff options
| author | Matheus Castello <matheus@castello.eng.br> | 2020-02-18 21:48:10 -0300 |
|---|---|---|
| committer | Daniel Lezcano <daniel.lezcano@linaro.org> | 2020-02-27 09:42:00 +0100 |
| commit | ad1ded9d2e3d1eb452ff58d325aadf237e187bd9 (patch) | |
| tree | 0917a4f1d8177a8a6838bbbf245f3a981dfac889 /drivers/clocksource/timer-owl.c | |
| parent | ca7b72b5a5f248b72c88441a93bdcee22f42b9b3 (diff) | |
| download | linux-ad1ded9d2e3d1eb452ff58d325aadf237e187bd9.tar.bz2 | |
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@castello.eng.br>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200219004810.411190-1-matheus@castello.eng.br
Diffstat (limited to 'drivers/clocksource/timer-owl.c')
| -rw-r--r-- | drivers/clocksource/timer-owl.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/clocksource/timer-owl.c b/drivers/clocksource/timer-owl.c index 900fe736145d..ac97420bfa7c 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); |