From e09b41010ba33a20a87472ee821fa407a5b8da36 Mon Sep 17 00:00:00 2001 From: José Pekkarinen Date: Mon, 11 Apr 2016 10:41:07 +0300 Subject: These changes are the raw update to linux-4.4.6-rt14. Kernel sources are taken from kernel.org, and rt patch from the rt wiki download page. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit During the rebasing, the following patch collided: Force tick interrupt and get rid of softirq magic(I70131fb85). Collisions have been removed because its logic was found on the source already. Change-Id: I7f57a4081d9deaa0d9ccfc41a6c8daccdee3b769 Signed-off-by: José Pekkarinen --- kernel/drivers/clocksource/rockchip_timer.c | 34 +++++++++++++---------------- 1 file changed, 15 insertions(+), 19 deletions(-) (limited to 'kernel/drivers/clocksource/rockchip_timer.c') diff --git a/kernel/drivers/clocksource/rockchip_timer.c b/kernel/drivers/clocksource/rockchip_timer.c index a35993baf..d3c1742de 100644 --- a/kernel/drivers/clocksource/rockchip_timer.c +++ b/kernel/drivers/clocksource/rockchip_timer.c @@ -82,23 +82,18 @@ static inline int rk_timer_set_next_event(unsigned long cycles, return 0; } -static inline void rk_timer_set_mode(enum clock_event_mode mode, - struct clock_event_device *ce) +static int rk_timer_shutdown(struct clock_event_device *ce) { - switch (mode) { - case CLOCK_EVT_MODE_PERIODIC: - rk_timer_disable(ce); - rk_timer_update_counter(rk_timer(ce)->freq / HZ - 1, ce); - rk_timer_enable(ce, TIMER_MODE_FREE_RUNNING); - break; - case CLOCK_EVT_MODE_ONESHOT: - case CLOCK_EVT_MODE_RESUME: - break; - case CLOCK_EVT_MODE_UNUSED: - case CLOCK_EVT_MODE_SHUTDOWN: - rk_timer_disable(ce); - break; - } + rk_timer_disable(ce); + return 0; +} + +static int rk_timer_set_periodic(struct clock_event_device *ce) +{ + rk_timer_disable(ce); + rk_timer_update_counter(rk_timer(ce)->freq / HZ - 1, ce); + rk_timer_enable(ce, TIMER_MODE_FREE_RUNNING); + return 0; } static irqreturn_t rk_timer_interrupt(int irq, void *dev_id) @@ -107,7 +102,7 @@ static irqreturn_t rk_timer_interrupt(int irq, void *dev_id) rk_timer_interrupt_clear(ce); - if (ce->mode == CLOCK_EVT_MODE_ONESHOT) + if (clockevent_state_oneshot(ce)) rk_timer_disable(ce); ce->event_handler(ce); @@ -153,7 +148,7 @@ static void __init rk_timer_init(struct device_node *np) bc_timer.freq = clk_get_rate(timer_clk); irq = irq_of_parse_and_map(np, 0); - if (irq == NO_IRQ) { + if (!irq) { pr_err("Failed to map interrupts for '%s'\n", TIMER_NAME); return; } @@ -161,7 +156,8 @@ static void __init rk_timer_init(struct device_node *np) ce->name = TIMER_NAME; ce->features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT; ce->set_next_event = rk_timer_set_next_event; - ce->set_mode = rk_timer_set_mode; + ce->set_state_shutdown = rk_timer_shutdown; + ce->set_state_periodic = rk_timer_set_periodic; ce->irq = irq; ce->cpumask = cpumask_of(0); ce->rating = 250; -- cgit 1.2.3-korg