diff --git a/drivers/irqchip/irq-bcm2835.c b/drivers/irqchip/irq-bcm2835.c index b3219aa763a6ee87bcdeac0203afb456c1f18048..0c2882ad7a4d28f42f516cc763d3dcfdd0833bd3 100644 --- a/drivers/irqchip/irq-bcm2835.c +++ b/drivers/irqchip/irq-bcm2835.c @@ -41,8 +41,6 @@ #include #include #include -#include -#include #include #include @@ -92,7 +90,7 @@ struct armctrl_ic { void __iomem *enable[NR_BANKS]; void __iomem *disable[NR_BANKS]; struct irq_domain *domain; - struct regmap *local_regmap; + void __iomem *local_base; }; static struct armctrl_ic intc __read_mostly; @@ -129,24 +127,20 @@ static void armctrl_unmask_irq(struct irq_data *d) if (d->hwirq >= NUMBER_IRQS) { if (num_online_cpus() > 1) { unsigned int data; - int ret; - if (!intc.local_regmap) { - pr_err("FIQ is disabled due to missing regmap\n"); + if (!intc.local_base) { + pr_err("FIQ is disabled due to missing arm_local_intc\n"); return; } - ret = regmap_read(intc.local_regmap, - ARM_LOCAL_GPU_INT_ROUTING, &data); - if (ret) { - pr_err("Failed to read int routing %d\n", ret); - return; - } + data = readl_relaxed(intc.local_base + + ARM_LOCAL_GPU_INT_ROUTING); data &= ~0xc; data |= (1 << 2); - regmap_write(intc.local_regmap, - ARM_LOCAL_GPU_INT_ROUTING, data); + writel_relaxed(data, + intc.local_base + + ARM_LOCAL_GPU_INT_ROUTING); } writel_relaxed(REG_FIQ_ENABLE | hwirq_to_fiq(d->hwirq), @@ -246,12 +240,10 @@ static int __init armctrl_of_init(struct device_node *node, } if (is_2836) { - intc.local_regmap = - syscon_regmap_lookup_by_compatible("brcm,bcm2836-arm-local"); - if (IS_ERR(intc.local_regmap)) { - pr_err("Failed to get local register map. FIQ is disabled for cpus > 1\n"); - intc.local_regmap = NULL; - } + extern void __iomem * __attribute__((weak)) arm_local_intc; + intc.local_base = arm_local_intc; + if (!intc.local_base) + pr_err("Failed to get local intc base. FIQ is disabled for cpus > 1\n"); } /* Make a duplicate irq range which is used to enable FIQ */ diff --git a/drivers/irqchip/irq-bcm2836.c b/drivers/irqchip/irq-bcm2836.c index f4247c257581e44855f39698befb76a8afe0073f..2187672e5be30e50540dcdc2cd891ab79955e198 100644 --- a/drivers/irqchip/irq-bcm2836.c +++ b/drivers/irqchip/irq-bcm2836.c @@ -22,6 +22,9 @@ struct bcm2836_arm_irqchip_intc { static struct bcm2836_arm_irqchip_intc intc __read_mostly; +void __iomem *arm_local_intc; +EXPORT_SYMBOL_GPL(arm_local_intc); + static void bcm2836_arm_irqchip_mask_per_cpu_irq(unsigned int reg_offset, unsigned int bit, int cpu) @@ -323,6 +326,8 @@ static int __init bcm2836_arm_irqchip_l1_intc_of_init(struct device_node *node, panic("%pOF: unable to map local interrupt registers\n", node); } + arm_local_intc = intc.base; + bcm2835_init_local_timer_frequency(); intc.domain = irq_domain_add_linear(node, LAST_IRQ + 1,