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Commit 8b5163eb authored by Max Filippov's avatar Max Filippov
Browse files

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: default avatarMax Filippov <jcmvbkbc@gmail.com>
parent fc862ee9

arch/xtensa/Kconfig

+0 −3
Original line number Diff line number Diff line
@@ -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

arch/xtensa/include/asm/irq.h

+1 −17
Original line number Diff line number Diff line
@@ -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);

arch/xtensa/kernel/irq.c

+0 −1
Original line number Diff line number Diff line
@@ -158,7 +158,6 @@ void __init init_IRQ(void) 
#ifdef CONFIG_SMP

	ipi_init();

#endif

	variant_init_irq();

}



#ifdef CONFIG_HOTPLUG_CPU

drivers/irqchip/irq-xtensa-mx.c

+0 −2
Original line number Diff line number Diff line
@@ -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)

drivers/irqchip/irq-xtensa-pic.c

+0 −2
Original line number Diff line number Diff line
@@ -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)