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xtensa: drop variant IRQ support 

If an xtensa core provides an additional IRQ controller it should be
treated as a separate piece of hardware and be driven by an irqchip
driver.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
hifive-unleashed-5.1
Max Filippov 2018-08-13 18:21:08 -07:00
parent fc862ee997
commit 8b5163eb98
5 changed files with 1 additions and 25 deletions
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3
arch/xtensa/Kconfig
View File

@ -75,9 +75,6 @@ config TRACE_IRQFLAGS_SUPPORT
config MMU
def_bool n
config VARIANT_IRQ_SWITCH
def_bool n
config HAVE_XTENSA_GPIO32
def_bool n

18
arch/xtensa/include/asm/irq.h
View File

@ -14,31 +14,15 @@
#include <linux/init.h>
#include <variant/core.h>
#ifdef CONFIG_VARIANT_IRQ_SWITCH
#include <variant/irq.h>
#else
static inline void variant_irq_enable(unsigned int irq) { }
static inline void variant_irq_disable(unsigned int irq) { }
#endif
#ifndef VARIANT_NR_IRQS
# define VARIANT_NR_IRQS 0
#endif
#ifdef CONFIG_PLATFORM_NR_IRQS
# define PLATFORM_NR_IRQS CONFIG_PLATFORM_NR_IRQS
#else
# define PLATFORM_NR_IRQS 0
#endif
#define XTENSA_NR_IRQS XCHAL_NUM_INTERRUPTS
#define NR_IRQS (XTENSA_NR_IRQS + VARIANT_NR_IRQS + PLATFORM_NR_IRQS + 1)
#define NR_IRQS (XTENSA_NR_IRQS + PLATFORM_NR_IRQS + 1)
#define XTENSA_PIC_LINUX_IRQ(hwirq) ((hwirq) + 1)
#if VARIANT_NR_IRQS == 0
static inline void variant_init_irq(void) { }
#else
void variant_init_irq(void) __init;
#endif
static __inline__ int irq_canonicalize(int irq)
{
return (irq);

1
arch/xtensa/kernel/irq.c
View File

@ -158,7 +158,6 @@ void __init init_IRQ(void)
#ifdef CONFIG_SMP
ipi_init();
#endif
variant_init_irq();
}
#ifdef CONFIG_HOTPLUG_CPU

2
drivers/irqchip/irq-xtensa-mx.c
View File

@ -98,14 +98,12 @@ static void xtensa_mx_irq_unmask(struct irq_data *d)
static void xtensa_mx_irq_enable(struct irq_data *d)
{
variant_irq_enable(d->hwirq);
xtensa_mx_irq_unmask(d);
}
static void xtensa_mx_irq_disable(struct irq_data *d)
{
xtensa_mx_irq_mask(d);
variant_irq_disable(d->hwirq);
}
static void xtensa_mx_irq_ack(struct irq_data *d)

2
drivers/irqchip/irq-xtensa-pic.c
View File

@ -55,14 +55,12 @@ static void xtensa_irq_unmask(struct irq_data *d)
static void xtensa_irq_enable(struct irq_data *d)
{
variant_irq_enable(d->hwirq);
xtensa_irq_unmask(d);
}
static void xtensa_irq_disable(struct irq_data *d)
{
xtensa_irq_mask(d);
variant_irq_disable(d->hwirq);
}
static void xtensa_irq_ack(struct irq_data *d)