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Date: Tue, 13 Oct 2015 11:16:22 +0100
From: Qais Yousef <qais.yousef@...tec.com>
To: <linux-kernel@...r.kernel.org>
CC: <tglx@...utronix.de>, <jason@...edaemon.net>,
<marc.zyngier@....com>, <jiang.liu@...ux.intel.com>,
<ralf@...ux-mips.org>, <linux-mips@...ux-mips.org>,
Qais Yousef <qais.yousef@...tec.com>
Subject: [RFC v2 PATCH 14/14] irqchip: mips-gic: remove IPI init code
It's now all handled in generic arch code.
Signed-off-by: Qais Yousef <qais.yousef@...tec.com>
---
drivers/irqchip/irq-mips-gic.c | 79 ----------------------------------------
include/linux/irqchip/mips-gic.h | 3 --
2 files changed, 82 deletions(-)
diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c
index 764470375cd0..8a56965d5980 100644
--- a/drivers/irqchip/irq-mips-gic.c
+++ b/drivers/irqchip/irq-mips-gic.c
@@ -585,83 +585,6 @@ static void gic_irq_dispatch(struct irq_desc *desc)
gic_handle_shared_int(true);
}
-#ifdef CONFIG_MIPS_GIC_IPI
-static int gic_resched_int_base;
-static int gic_call_int_base;
-
-unsigned int plat_ipi_resched_int_xlate(unsigned int cpu)
-{
- return gic_resched_int_base + cpu;
-}
-
-unsigned int plat_ipi_call_int_xlate(unsigned int cpu)
-{
- return gic_call_int_base + cpu;
-}
-
-static irqreturn_t ipi_resched_interrupt(int irq, void *dev_id)
-{
- scheduler_ipi();
-
- return IRQ_HANDLED;
-}
-
-static irqreturn_t ipi_call_interrupt(int irq, void *dev_id)
-{
- generic_smp_call_function_interrupt();
-
- return IRQ_HANDLED;
-}
-
-static struct irqaction irq_resched = {
- .handler = ipi_resched_interrupt,
- .flags = IRQF_PERCPU,
- .name = "IPI resched"
-};
-
-static struct irqaction irq_call = {
- .handler = ipi_call_interrupt,
- .flags = IRQF_PERCPU,
- .name = "IPI call"
-};
-
-static __init void gic_ipi_init_one(unsigned int intr, int cpu,
- struct irqaction *action)
-{
- int virq = irq_create_mapping(gic_irq_domain,
- GIC_SHARED_TO_HWIRQ(intr));
- int i;
-
- gic_map_to_vpe(intr, mips_cm_vp_id(cpu));
- for (i = 0; i < NR_CPUS; i++)
- clear_bit(intr, pcpu_masks[i].pcpu_mask);
- set_bit(intr, pcpu_masks[cpu].pcpu_mask);
-
- irq_set_irq_type(virq, IRQ_TYPE_EDGE_RISING);
-
- irq_set_handler(virq, handle_percpu_irq);
- setup_irq(virq, action);
-}
-
-static __init void gic_ipi_init(void)
-{
- int i;
-
- /* Use last 2 * NR_CPUS interrupts as IPIs */
- gic_resched_int_base = gic_shared_intrs - nr_cpu_ids;
- gic_call_int_base = gic_resched_int_base - nr_cpu_ids;
-
- for (i = 0; i < nr_cpu_ids; i++) {
- gic_ipi_init_one(gic_call_int_base + i, i, &irq_call);
- gic_ipi_init_one(gic_resched_int_base + i, i, &irq_resched);
- }
-}
-#else
-static inline void gic_ipi_init(void)
-{
-}
-#endif
-
static void __init gic_basic_init(void)
{
unsigned int i;
@@ -979,8 +902,6 @@ static void __init __gic_init(unsigned long gic_base_addr,
bitmap_set(ipi_resrv, gic_shared_intrs - 2 * NR_CPUS, 2 * NR_CPUS);
gic_basic_init();
-
- gic_ipi_init();
}
void __init gic_init(unsigned long gic_base_addr,
diff --git a/include/linux/irqchip/mips-gic.h b/include/linux/irqchip/mips-gic.h
index 4e6861605050..321278767506 100644
--- a/include/linux/irqchip/mips-gic.h
+++ b/include/linux/irqchip/mips-gic.h
@@ -258,9 +258,6 @@ extern void gic_write_compare(cycle_t cnt);
extern void gic_write_cpu_compare(cycle_t cnt, int cpu);
extern void gic_start_count(void);
extern void gic_stop_count(void);
-extern void gic_send_ipi(unsigned int intr);
-extern unsigned int plat_ipi_call_int_xlate(unsigned int);
-extern unsigned int plat_ipi_resched_int_xlate(unsigned int);
extern int gic_get_c0_compare_int(void);
extern int gic_get_c0_perfcount_int(void);
extern int gic_get_c0_fdc_int(void);
--
2.1.0
--
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