[1/2] parisc: Drop the pa7300lc LPMC handler

Commit Message

Helge Deller Aug. 12, 2023, 8:51 p.m. UTC

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

Signed-off-by: Helge Deller <[e-mail]>
---
 arch/parisc/include/asm/machdep.h | 17 -----------
 arch/parisc/kernel/Makefile       |  2 +-
 arch/parisc/kernel/pa7300lc.c     | 51 -------------------------------
 arch/parisc/kernel/setup.c        |  3 --
 4 files changed, 1 insertion(+), 72 deletions(-)
 delete mode 100644 arch/parisc/include/asm/machdep.h
 delete mode 100644 arch/parisc/kernel/pa7300lc.c

--
2.41.0

Patch

diff --git a/arch/parisc/include/asm/machdep.h b/arch/parisc/include/asm/machdep.h
deleted file mode 100644
index 215d2c43989d..000000000000
--- a/arch/parisc/include/asm/machdep.h
+++ /dev/null
@@ -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
diff --git a/arch/parisc/kernel/Makefile b/arch/parisc/kernel/Makefile
index 2d1478fc4aa5..5ab0467be70a 100644
--- a/arch/parisc/kernel/Makefile
+++ b/arch/parisc/kernel/Makefile
@@ -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 \
diff --git a/arch/parisc/kernel/pa7300lc.c b/arch/parisc/kernel/pa7300lc.c
deleted file mode 100644
index 0d770ac83f70..000000000000
--- a/arch/parisc/kernel/pa7300lc.c
+++ /dev/null
@@ -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;
-}
diff --git a/arch/parisc/kernel/setup.c b/arch/parisc/kernel/setup.c
index 211a4afdd282..3e95b5417a50 100644
--- a/arch/parisc/kernel/setup.c
+++ b/arch/parisc/kernel/setup.c
@@ -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;
 	}