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parisc: Drop the pa7300lc LPMC handler 

This was actually never really used, and the info it
prints won't help. Drop it.

Signed-off-by: Helge Deller <deller@gmx.de>
This commit is contained in:
Helge Deller 2023-08-12 22:47:48 +02:00
parent e71d47dc2a
commit 390a2086a4
4 changed files with 1 additions and 72 deletions
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17
arch/parisc/include/asm/machdep.h
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@ -1,17 +0,0 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _PARISC_MACHDEP_H
#define _PARISC_MACHDEP_H
#include <linux/notifier.h>
#define MACH_RESTART 1
#define MACH_HALT 2
#define MACH_POWER_ON 3
#define MACH_POWER_OFF 4
extern struct notifier_block *mach_notifier;
extern void pa7300lc_init(void);
extern void (*cpu_lpmc)(int, struct pt_regs *);
#endif

2
arch/parisc/kernel/Makefile
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@ -6,7 +6,7 @@
extra-y := vmlinux.lds
obj-y := head.o cache.o pacache.o setup.o pdt.o traps.o time.o irq.o \
pa7300lc.o syscall.o entry.o sys_parisc.o firmware.o \
syscall.o entry.o sys_parisc.o firmware.o \
ptrace.o hardware.o inventory.o drivers.o alternative.o \
signal.o hpmc.o real2.o parisc_ksyms.o unaligned.o \
process.o processor.o pdc_cons.o pdc_chassis.o unwind.o \

51
arch/parisc/kernel/pa7300lc.c
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@ -1,51 +0,0 @@
// SPDX-License-Identifier: GPL-2.0
/*
* linux/arch/parisc/kernel/pa7300lc.c
* - PA7300LC-specific functions
*
* Copyright (C) 2000 Philipp Rumpf */
#include <linux/sched.h>
#include <linux/sched/debug.h>
#include <linux/smp.h>
#include <linux/kernel.h>
#include <asm/io.h>
#include <asm/ptrace.h>
#include <asm/machdep.h>
/* CPU register indices */
#define MIOC_STATUS 0xf040
#define MIOC_CONTROL 0xf080
#define MDERRADD 0xf0e0
#define DMAERR 0xf0e8
#define DIOERR 0xf0ec
#define HIDMAMEM 0xf0f4
/* this returns the HPA of the CPU it was called on */
static u32 cpu_hpa(void)
{
return 0xfffb0000;
}
static void pa7300lc_lpmc(int code, struct pt_regs *regs)
{
u32 hpa;
printk(KERN_WARNING "LPMC on CPU %d\n", smp_processor_id());
show_regs(regs);
hpa = cpu_hpa();
printk(KERN_WARNING
"MIOC_CONTROL %08x\n" "MIOC_STATUS %08x\n"
"MDERRADD %08x\n" "DMAERR %08x\n"
"DIOERR %08x\n" "HIDMAMEM %08x\n",
gsc_readl(hpa+MIOC_CONTROL), gsc_readl(hpa+MIOC_STATUS),
gsc_readl(hpa+MDERRADD), gsc_readl(hpa+DMAERR),
gsc_readl(hpa+DIOERR), gsc_readl(hpa+HIDMAMEM));
}
void pa7300lc_init(void)
{
cpu_lpmc = pa7300lc_lpmc;
}

3
arch/parisc/kernel/setup.c
View File

@ -31,7 +31,6 @@
#include <asm/sections.h>
#include <asm/pdc.h>
#include <asm/led.h>
#include <asm/machdep.h> /* for pa7300lc_init() proto */
#include <asm/pdc_chassis.h>
#include <asm/io.h>
#include <asm/setup.h>
@ -93,8 +92,6 @@ static void __init dma_ops_init(void)
"the PA-RISC 1.1 or 2.0 architecture specification.\n");
case pcxl2:
pa7300lc_init();
break;
default:
break;
}