diff options
| author | Max Krummenacher <max.krummenacher@toradex.com> | 2020-02-24 13:05:16 +0100 |
|---|---|---|
| committer | Max Krummenacher <max.krummenacher@toradex.com> | 2020-02-24 13:05:16 +0100 |
| commit | 8be6754822fc0025f963e8216cf5cfe5cf01965d (patch) | |
| tree | 76fce8f223ed0e9986d2f7ee8477182606f00862 /drivers/clocksource | |
| parent | 93bf1d7cbe98985ba4540b6889011ebbb742da5b (diff) | |
| parent | 76e5c6fd6d163f1aa63969cc982e79be1fee87a7 (diff) | |
Merge tag 'v4.4.214' into toradex_vf_4.4-next
This is the 4.4.214 stable release
Diffstat (limited to 'drivers/clocksource')
| -rw-r--r-- | drivers/clocksource/asm9260_timer.c | 4 | ||||
| -rw-r--r-- | drivers/clocksource/timer-sun5i.c | 10 |
2 files changed, 14 insertions, 0 deletions
diff --git a/drivers/clocksource/asm9260_timer.c b/drivers/clocksource/asm9260_timer.c index 217438d39eb3..38a28240f84f 100644 --- a/drivers/clocksource/asm9260_timer.c +++ b/drivers/clocksource/asm9260_timer.c @@ -196,6 +196,10 @@ static void __init asm9260_timer_init(struct device_node *np) panic("%s: unable to map resource", np->name); clk = of_clk_get(np, 0); + if (IS_ERR(clk)) { + pr_err("Failed to get clk!\n"); + return PTR_ERR(clk); + } ret = clk_prepare_enable(clk); if (ret) diff --git a/drivers/clocksource/timer-sun5i.c b/drivers/clocksource/timer-sun5i.c index bca9573e036a..32b2dab69fd7 100644 --- a/drivers/clocksource/timer-sun5i.c +++ b/drivers/clocksource/timer-sun5i.c @@ -201,6 +201,11 @@ static int __init sun5i_setup_clocksource(struct device_node *node, } rate = clk_get_rate(clk); + if (!rate) { + pr_err("Couldn't get parent clock rate\n"); + ret = -EINVAL; + goto err_disable_clk; + } cs->timer.base = base; cs->timer.clk = clk; @@ -274,6 +279,11 @@ static int __init sun5i_setup_clockevent(struct device_node *node, void __iomem } rate = clk_get_rate(clk); + if (!rate) { + pr_err("Couldn't get parent clock rate\n"); + ret = -EINVAL; + goto err_disable_clk; + } ce->timer.base = base; ce->timer.ticks_per_jiffy = DIV_ROUND_UP(rate, HZ); |