Commit 0ea33321 authored by Jiaxun Yang's avatar Jiaxun Yang Committed by Thomas Bogendoerfer
Browse files

MIPS: Kill RM7K & RM9K IRQ Code 



RM7000 IRQ driver never got really used by any of the platform,
and rm9k_cpu_irq_init only exist in a header.

Signed-off-by: default avatarJiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: default avatarThomas Bogendoerfer <tsbogend@alpha.franken.de>
parent c2b49a32

arch/mips/Kconfig

+0 −3
Original line number Diff line number Diff line
@@ -1256,9 +1256,6 @@ config SYS_SUPPORTS_HUGETLBFS 
config MIPS_HUGE_TLB_SUPPORT

	def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE



config IRQ_CPU_RM7K

	bool



config IRQ_MSP_SLP

	bool

arch/mips/include/asm/irq_cpu.h

+0 −2
Original line number Diff line number Diff line
@@ -10,8 +10,6 @@ 
#define _ASM_IRQ_CPU_H



extern void mips_cpu_irq_init(void);

extern void rm7k_cpu_irq_init(void);

extern void rm9k_cpu_irq_init(void);



#ifdef CONFIG_IRQ_DOMAIN

struct device_node;

arch/mips/include/asm/mach-generic/irq.h

+0 −6
Original line number Diff line number Diff line
@@ -28,12 +28,6 @@ 
#endif /* CONFIG_I8259 */

#endif



#ifdef CONFIG_IRQ_CPU_RM7K

#ifndef RM7K_CPU_IRQ_BASE

#define RM7K_CPU_IRQ_BASE (MIPS_CPU_IRQ_BASE+8)

#endif

#endif



#endif /* CONFIG_IRQ_MIPS_CPU */



#endif /* __ASM_MACH_GENERIC_IRQ_H */

arch/mips/kernel/Makefile

+0 −1
Original line number Diff line number Diff line
@@ -71,7 +71,6 @@ obj-$(CONFIG_MIPS_VPE_APSP_API) += rtlx.o 
obj-$(CONFIG_MIPS_VPE_APSP_API_CMP) += rtlx-cmp.o

obj-$(CONFIG_MIPS_VPE_APSP_API_MT) += rtlx-mt.o



obj-$(CONFIG_IRQ_CPU_RM7K)	+= irq-rm7000.o

obj-$(CONFIG_MIPS_MSC)		+= irq-msc01.o

obj-$(CONFIG_IRQ_TXX9)		+= irq_txx9.o

obj-$(CONFIG_IRQ_GT641XX)	+= irq-gt641xx.o

arch/mips/kernel/irq-rm7000.c

deleted100644 → 0
+0 −45
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-or-later

/*

 * Copyright (C) 2003 Ralf Baechle

 *

 * Handler for RM7000 extended interrupts.  These are a non-standard

 * feature so we handle them separately from standard interrupts.

 */

#include <linux/init.h>

#include <linux/interrupt.h>

#include <linux/irq.h>

#include <linux/kernel.h>



#include <asm/irq_cpu.h>

#include <asm/mipsregs.h>



static inline void unmask_rm7k_irq(struct irq_data *d)

{

	set_c0_intcontrol(0x100 << (d->irq - RM7K_CPU_IRQ_BASE));

}



static inline void mask_rm7k_irq(struct irq_data *d)

{

	clear_c0_intcontrol(0x100 << (d->irq - RM7K_CPU_IRQ_BASE));

}



static struct irq_chip rm7k_irq_controller = {

	.name = "RM7000",

	.irq_ack = mask_rm7k_irq,

	.irq_mask = mask_rm7k_irq,

	.irq_mask_ack = mask_rm7k_irq,

	.irq_unmask = unmask_rm7k_irq,

	.irq_eoi = unmask_rm7k_irq

};



void __init rm7k_cpu_irq_init(void)

{

	int base = RM7K_CPU_IRQ_BASE;

	int i;



	clear_c0_intcontrol(0x00000f00);		/* Mask all */



	for (i = base; i < base + 4; i++)

		irq_set_chip_and_handler(i, &rm7k_irq_controller,

					 handle_percpu_irq);

}