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author | Thomas Gleixner <tglx@linutronix.de> | 2016-07-13 17:01:34 +0200 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2016-07-13 17:01:51 +0200 |
commit | 54f54496779661678d906b57e4cba48239ab7c9b (patch) | |
tree | feb06330bfa37391a5502e8dc6dfdd58b46b56fb /arch/mips | |
parent | 92d21ac74a9e3c09b0b01c764e530657e4c85c49 (diff) | |
parent | 1d661bf5327a2c059ec967f850e89362e637f4e6 (diff) | |
download | blackbird-op-linux-54f54496779661678d906b57e4cba48239ab7c9b.tar.gz blackbird-op-linux-54f54496779661678d906b57e4cba48239ab7c9b.zip |
Merge branch 'timers/core' into smp/hotplug to pick up dependencies
Diffstat (limited to 'arch/mips')
-rw-r--r-- | arch/mips/ralink/cevt-rt3352.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/arch/mips/ralink/cevt-rt3352.c b/arch/mips/ralink/cevt-rt3352.c index 3ad0b0794f7d..f24eee04e16a 100644 --- a/arch/mips/ralink/cevt-rt3352.c +++ b/arch/mips/ralink/cevt-rt3352.c @@ -117,11 +117,13 @@ static int systick_set_oneshot(struct clock_event_device *evt) return 0; } -static void __init ralink_systick_init(struct device_node *np) +static int __init ralink_systick_init(struct device_node *np) { + int ret; + systick.membase = of_iomap(np, 0); if (!systick.membase) - return; + return -ENXIO; systick_irqaction.name = np->name; systick.dev.name = np->name; @@ -131,16 +133,21 @@ static void __init ralink_systick_init(struct device_node *np) systick.dev.irq = irq_of_parse_and_map(np, 0); if (!systick.dev.irq) { pr_err("%s: request_irq failed", np->name); - return; + return -EINVAL; } - clocksource_mmio_init(systick.membase + SYSTICK_COUNT, np->name, - SYSTICK_FREQ, 301, 16, clocksource_mmio_readl_up); + ret = clocksource_mmio_init(systick.membase + SYSTICK_COUNT, np->name, + SYSTICK_FREQ, 301, 16, + clocksource_mmio_readl_up); + if (ret) + return ret; clockevents_register_device(&systick.dev); pr_info("%s: running - mult: %d, shift: %d\n", np->name, systick.dev.mult, systick.dev.shift); + + return 0; } CLOCKSOURCE_OF_DECLARE(systick, "ralink,cevt-systick", ralink_systick_init); |