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| author | Gaël PORTAY <gael.portay@gmail.com> | 2014-09-06 19:52:37 +0200 |
|---|---|---|
| committer | Nicolas Ferre <nicolas.ferre@atmel.com> | 2014-09-08 10:54:03 +0200 |
| commit | d07a1ecdfb96b26dd665b54fee22fc7417b1cb08 (patch) | |
| tree | 438c1b4526361ab1b491e6c459a883876ade8c49 /drivers/clocksource/tcb_clksrc.c | |
| parent | 84f462371cc07272a17e2ae96c3540f795db273a (diff) | |
| download | linux-d07a1ecdfb96b26dd665b54fee22fc7417b1cb08.tar.gz linux-d07a1ecdfb96b26dd665b54fee22fc7417b1cb08.tar.xz | |
clocksource: tcb_clksrc: sanitize IRQ request
The clock is not unprepared in case of the request IRQ fails.
Also update to request_irq.
Signed-off-by: Gaël PORTAY <gael.portay@gmail.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Diffstat (limited to 'drivers/clocksource/tcb_clksrc.c')
| -rw-r--r-- | drivers/clocksource/tcb_clksrc.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/drivers/clocksource/tcb_clksrc.c b/drivers/clocksource/tcb_clksrc.c index f922e81d531b..8bdbc45c6dad 100644 --- a/drivers/clocksource/tcb_clksrc.c +++ b/drivers/clocksource/tcb_clksrc.c @@ -178,12 +178,6 @@ static irqreturn_t ch2_irq(int irq, void *handle) return IRQ_NONE; } -static struct irqaction tc_irqaction = { - .name = "tc_clkevt", - .flags = IRQF_TIMER, - .handler = ch2_irq, -}; - static int __init setup_clkevents(struct atmel_tc *tc, int clk32k_divisor_idx) { int ret; @@ -198,15 +192,16 @@ static int __init setup_clkevents(struct atmel_tc *tc, int clk32k_divisor_idx) clkevt.regs = tc->regs; clkevt.clk = t2_clk; - tc_irqaction.dev_id = &clkevt; timer_clock = clk32k_divisor_idx; clkevt.clkevt.cpumask = cpumask_of(0); - ret = setup_irq(irq, &tc_irqaction); - if (ret) + ret = request_irq(irq, ch2_irq, IRQF_TIMER, "tc_clkevt", &clkevt); + if (ret) { + clk_disable_unprepare(t2_clk); return ret; + } clockevents_config_and_register(&clkevt.clkevt, 32768, 1, 0xffff); |