diff options
| author | Mark Brown <broonie@kernel.org> | 2015-10-12 18:09:27 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-10-12 18:09:27 +0100 |
| commit | 79828b4fa835f73cdaf4bffa48696abdcbea9d02 (patch) | |
| tree | 5e0fa7156acb75ba603022bc807df8f2fedb97a8 /arch/arc/kernel/mcip.c | |
| parent | 721b51fcf91898299d96f4b72cb9434cda29dce6 (diff) | |
| parent | 8c1a9d6323abf0fb1e5dad96cf3f1c783505ea5a (diff) | |
Merge remote-tracking branch 'asoc/fix/rt5645' into asoc-fix-rt5645
Diffstat (limited to 'arch/arc/kernel/mcip.c')
| -rw-r--r-- | arch/arc/kernel/mcip.c | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/arch/arc/kernel/mcip.c b/arch/arc/kernel/mcip.c index 30284e8de6ff..d9e44b62df05 100644 --- a/arch/arc/kernel/mcip.c +++ b/arch/arc/kernel/mcip.c @@ -175,7 +175,6 @@ void mcip_init_early_smp(void) #include <linux/irqchip.h> #include <linux/of.h> #include <linux/of_irq.h> -#include "../../drivers/irqchip/irqchip.h" /* * Set the DEST for @cmn_irq to @cpu_mask (1 bit per core) @@ -218,11 +217,28 @@ static void idu_irq_unmask(struct irq_data *data) raw_spin_unlock_irqrestore(&mcip_lock, flags); } +#ifdef CONFIG_SMP static int -idu_irq_set_affinity(struct irq_data *d, const struct cpumask *cpumask, bool f) +idu_irq_set_affinity(struct irq_data *data, const struct cpumask *cpumask, + bool force) { + unsigned long flags; + cpumask_t online; + + /* errout if no online cpu per @cpumask */ + if (!cpumask_and(&online, cpumask, cpu_online_mask)) + return -EINVAL; + + raw_spin_lock_irqsave(&mcip_lock, flags); + + idu_set_dest(data->hwirq, cpumask_bits(&online)[0]); + idu_set_mode(data->hwirq, IDU_M_TRIG_LEVEL, IDU_M_DISTRI_RR); + + raw_spin_unlock_irqrestore(&mcip_lock, flags); + return IRQ_SET_MASK_OK; } +#endif static struct irq_chip idu_irq_chip = { .name = "MCIP IDU Intc", @@ -236,9 +252,10 @@ static struct irq_chip idu_irq_chip = { static int idu_first_irq; -static void idu_cascade_isr(unsigned int core_irq, struct irq_desc *desc) +static void idu_cascade_isr(unsigned int __core_irq, struct irq_desc *desc) { struct irq_domain *domain = irq_desc_get_handler_data(desc); + unsigned int core_irq = irq_desc_get_irq(desc); unsigned int idu_irq; idu_irq = core_irq - idu_first_irq; @@ -330,8 +347,7 @@ idu_of_init(struct device_node *intc, struct device_node *parent) if (!i) idu_first_irq = irq; - irq_set_handler_data(irq, domain); - irq_set_chained_handler(irq, idu_cascade_isr); + irq_set_chained_handler_and_data(irq, idu_cascade_isr, domain); } __mcip_cmd(CMD_IDU_ENABLE, 0); |