sh: remove old broken pint code

The code in arch/sh/kernel/cpu/irq/pint.c doesn't compile, so let's
get rid of it to make space for a future pint implementation on top
of intc.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

arch/sh/Kconfig

@@ -172,9 +172,6 @@ config SPECULATIVE_EXECUTION
 config CPU_HAS_INTEVT
 	bool
 
-config CPU_HAS_PINT_IRQ
-	bool
-
 config CPU_HAS_MASKREG_IRQ
 	bool
 

arch/sh/kernel/cpu/irq/Makefile

@@ -4,7 +4,6 @@
 obj-y	+= imask.o
 
 obj-$(CONFIG_CPU_HAS_IPR_IRQ)		+= ipr.o
-obj-$(CONFIG_CPU_HAS_PINT_IRQ)		+= pint.o 
 obj-$(CONFIG_CPU_HAS_MASKREG_IRQ)	+= maskreg.o
 obj-$(CONFIG_CPU_HAS_INTC_IRQ)		+= intc.o
 obj-$(CONFIG_CPU_HAS_INTC2_IRQ)		+= intc2.o

arch/sh/kernel/cpu/irq/pint.c

@@ -1,220 +0,0 @@
-/*
- * arch/sh/kernel/cpu/irq/pint.c - Interrupt handling for PINT-based IRQs.
- *
- * Copyright (C) 1999  Niibe Yutaka & Takeshi Yaegashi
- * Copyright (C) 2000  Kazumoto Kojima
- * Copyright (C) 2003 Takashi Kusuda <kusuda-takashi@hitachi-ul.co.jp>
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-
-#include <linux/init.h>
-#include <linux/irq.h>
-#include <linux/module.h>
-
-#include <asm/system.h>
-#include <asm/io.h>
-#include <asm/machvec.h>
-
-#if defined(CONFIG_CPU_SUBTYPE_SH7705)
-#define INTC_INTER      0xA4000014UL
-#define INTC_IPRD       0xA4000018UL
-#define INTC_ICR2       0xA4000012UL
-
-/* PFC */
-#define PORT_PACR       0xA4000100UL
-#define PORT_PBCR       0xA4000102UL
-#define PORT_PCCR       0xA4000104UL
-#define PORT_PDCR       0xA4000106UL
-#define PORT_PECR       0xA4000108UL
-#define PORT_PFCR       0xA400010AUL
-#define PORT_PGCR       0xA400010CUL
-#define PORT_PHCR       0xA400010EUL
-#define PORT_PJCR       0xA4000110UL
-#define PORT_PKCR       0xA4000112UL
-#define PORT_PLCR       0xA4000114UL
-#define PORT_PMCR       0xA4000118UL
-#define PORT_PNCR       0xA400011AUL
-#define PORT_PECR2      0xA4050148UL
-#define PORT_PFCR2      0xA405014AUL
-#define PORT_PNCR2      0xA405015AUL
-
-/* I/O port */
-#define PORT_PADR       0xA4000120UL
-#define PORT_PBDR       0xA4000122UL
-#define PORT_PCDR       0xA4000124UL
-#define PORT_PDDR       0xA4000126UL
-#define PORT_PEDR       0xA4000128UL
-#define PORT_PFDR       0xA400012AUL
-#define PORT_PGDR       0xA400012CUL
-#define PORT_PHDR       0xA400012EUL
-#define PORT_PJDR       0xA4000130UL
-#define PORT_PKDR       0xA4000132UL
-#define PORT_PLDR       0xA4000134UL
-#define PORT_PMDR       0xA4000138UL
-#define PORT_PNDR       0xA400013AUL
-
-#define PINT0_IRQ       40
-#define PINT8_IRQ       41
-#define PINT_IRQ_BASE   86
-
-#define PINT0_IPR_ADDR          INTC_IPRD
-#define PINT0_IPR_POS           3
-#define PINT0_PRIORITY      2
-
-#define PINT8_IPR_ADDR          INTC_IPRD
-#define PINT8_IPR_POS           2
-#define PINT8_PRIORITY      2
-
-#endif /* CONFIG_CPU_SUBTYPE_SH7705 */
-
-static unsigned char pint_map[256];
-static unsigned long portcr_mask;
-
-static void enable_pint_irq(unsigned int irq);
-static void disable_pint_irq(unsigned int irq);
-
-/* shutdown is same as "disable" */
-#define shutdown_pint_irq disable_pint_irq
-
-static void mask_and_ack_pint(unsigned int);
-static void end_pint_irq(unsigned int irq);
-
-static unsigned int startup_pint_irq(unsigned int irq)
-{
-	enable_pint_irq(irq);
-	return 0; /* never anything pending */
-}
-
-static struct hw_interrupt_type pint_irq_type = {
-	.typename = "PINT-IRQ",
-	.startup = startup_pint_irq,
-	.shutdown = shutdown_pint_irq,
-	.enable = enable_pint_irq,
-	.disable = disable_pint_irq,
-	.ack = mask_and_ack_pint,
-	.end = end_pint_irq
-};
-
-static void disable_pint_irq(unsigned int irq)
-{
-	unsigned long val;
-
-	val = ctrl_inw(INTC_INTER);
-	val &= ~(1 << (irq - PINT_IRQ_BASE));
-	ctrl_outw(val, INTC_INTER);	/* disable PINTn */
-	portcr_mask &= ~(3 << (irq - PINT_IRQ_BASE)*2);
-}
-
-static void enable_pint_irq(unsigned int irq)
-{
-	unsigned long val;
-
-	val = ctrl_inw(INTC_INTER);
-	val |= 1 << (irq - PINT_IRQ_BASE);
-	ctrl_outw(val, INTC_INTER);	/* enable PINTn */
-	portcr_mask |= 3 << (irq - PINT_IRQ_BASE)*2;
-}
-
-static void mask_and_ack_pint(unsigned int irq)
-{
-	disable_pint_irq(irq);
-}
-
-static void end_pint_irq(unsigned int irq)
-{
-	if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
-		enable_pint_irq(irq);
-}
-
-void make_pint_irq(unsigned int irq)
-{
-	disable_irq_nosync(irq);
-	irq_desc[irq].chip = &pint_irq_type;
-	disable_pint_irq(irq);
-}
-
-static struct ipr_data pint_ipr_map[] = {
-	{ PINT0_IRQ, PINT0_IPR_ADDR, PINT0_IPR_POS, PINT0_PRIORITY },
-	{ PINT8_IRQ, PINT8_IPR_ADDR, PINT8_IPR_POS, PINT8_PRIORITY },
-};
-
-void __init init_IRQ_pint(void)
-{
-	int i;
-
-	make_ipr_irq(pint_ipr_map, ARRAY_SIZE(pint_ipr_map));
-
-	enable_irq(PINT0_IRQ);
-	enable_irq(PINT8_IRQ);
-
-	for(i = 0; i < 16; i++)
-		make_pint_irq(PINT_IRQ_BASE + i);
-
-	for(i = 0; i < 256; i++) {
-		if (i & 1)
-			pint_map[i] = 0;
-		else if (i & 2)
-			pint_map[i] = 1;
-		else if (i & 4)
-			pint_map[i] = 2;
-		else if (i & 8)
-			pint_map[i] = 3;
-		else if (i & 0x10)
-			pint_map[i] = 4;
-		else if (i & 0x20)
-			pint_map[i] = 5;
-		else if (i & 0x40)
-			pint_map[i] = 6;
-		else if (i & 0x80)
-			pint_map[i] = 7;
-	}
-}
-
-int ipr_irq_demux(int irq)
-{
-	unsigned long creg, dreg, d, sav;
-
-	if (irq == PINT0_IRQ) {
-#if defined(CONFIG_CPU_SUBTYPE_SH7705) || defined(CONFIG_CPU_SUBTYPE_SH7707)
-		creg = PORT_PACR;
-		dreg = PORT_PADR;
-#else
-		creg = PORT_PCCR;
-		dreg = PORT_PCDR;
-#endif
-		sav = ctrl_inw(creg);
-		ctrl_outw(sav | portcr_mask, creg);
-		d = (~ctrl_inb(dreg) ^ ctrl_inw(INTC_ICR2)) &
-			ctrl_inw(INTC_INTER) & 0xff;
-		ctrl_outw(sav, creg);
-
-		if (d == 0)
-			return irq;
-
-		return PINT_IRQ_BASE + pint_map[d];
-	} else if (irq == PINT8_IRQ) {
-#if defined(CONFIG_CPU_SUBTYPE_SH7705) || defined(CONFIG_CPU_SUBTYPE_SH7707)
-		creg = PORT_PBCR;
-		dreg = PORT_PBDR;
-#else
-		creg = PORT_PFCR;
-		dreg = PORT_PFDR;
-#endif
-		sav = ctrl_inw(creg);
-		ctrl_outw(sav | (portcr_mask >> 16), creg);
-		d = (~ctrl_inb(dreg) ^ (ctrl_inw(INTC_ICR2) >> 8)) &
-			(ctrl_inw(INTC_INTER) >> 8) & 0xff;
-		ctrl_outw(sav, creg);
-
-		if (d == 0)
-			return irq;
-
-		return PINT_IRQ_BASE + 8 + pint_map[d];
-	}
-
-	return irq;
-}
-

arch/sh/mm/Kconfig

@@ -70,7 +70,6 @@ config CPU_SUBTYPE_SH7705
 	bool "Support SH7705 processor"
 	select CPU_SH3
 	select CPU_HAS_IPR_IRQ
-	select CPU_HAS_PINT_IRQ
 
 config CPU_SUBTYPE_SH7706
 	bool "Support SH7706 processor"
@@ -82,7 +81,6 @@ config CPU_SUBTYPE_SH7706
 config CPU_SUBTYPE_SH7707
 	bool "Support SH7707 processor"
 	select CPU_SH3
-	select CPU_HAS_PINT_IRQ
 	help
 	  Select SH7707 if you have a  60 Mhz SH-3 HD6417707 CPU.
 
@@ -97,7 +95,6 @@ config CPU_SUBTYPE_SH7709
 	bool "Support SH7709 processor"
 	select CPU_SH3
 	select CPU_HAS_IPR_IRQ
-	select CPU_HAS_PINT_IRQ
 	help
 	  Select SH7709 if you have a  80 Mhz SH-3 HD6417709 CPU.