Merge master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6.23

* master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6.23:
  sh: fix defconfigs for sh7751r boards
  sh: fix cf support on r2d boards
  sh: update r2d defconfig
  sh: update snapgear defconfig.
  sh: Fix SH-X3 FPU exception handling.
  sh: Fix pgd mismatch from cached TTB in unhandled fault.
  sh: Don't include fault-nommu on SH-2/SH-2A.
  sh: Fix irqflags tracing for SH-3/4 nommu.
  sh: Fix lockdep debugging oops on SH-3/4.

arch/sh/boards/renesas/rts7751r2d/setup.c

@@ -140,12 +140,19 @@ static struct platform_device sm501_device = {
 static struct platform_device *rts7751r2d_devices[] __initdata = {
 	&uart_device,
 	&heartbeat_device,
-	&cf_ide_device,
 	&sm501_device,
 };
 
 static int __init rts7751r2d_devices_setup(void)
 {
+	int ret;
+
+	if (ctrl_inw(PA_BVERREG) == 0x10) { /* only working on R2D-PLUS */
+		ret = platform_device_register(&cf_ide_device);
+		if (ret)
+			return ret;
+	}
+
 	return platform_add_devices(rts7751r2d_devices,
 				    ARRAY_SIZE(rts7751r2d_devices));
 }

arch/sh/configs/hs7751rvoip_defconfig

@@ -145,7 +145,7 @@ CONFIG_CPU_SH4=y
 # CONFIG_CPU_SUBTYPE_SH7091 is not set
 # CONFIG_CPU_SUBTYPE_SH7750R is not set
 # CONFIG_CPU_SUBTYPE_SH7750S is not set
-CONFIG_CPU_SUBTYPE_SH7751=y
+# CONFIG_CPU_SUBTYPE_SH7751 is not set
 CONFIG_CPU_SUBTYPE_SH7751R=y
 # CONFIG_CPU_SUBTYPE_SH7760 is not set
 # CONFIG_CPU_SUBTYPE_SH4_202 is not set

arch/sh/configs/landisk_defconfig

@@ -156,7 +156,7 @@ CONFIG_CPU_SH4=y
 # CONFIG_CPU_SUBTYPE_SH7091 is not set
 # CONFIG_CPU_SUBTYPE_SH7750R is not set
 # CONFIG_CPU_SUBTYPE_SH7750S is not set
-CONFIG_CPU_SUBTYPE_SH7751=y
+# CONFIG_CPU_SUBTYPE_SH7751 is not set
 CONFIG_CPU_SUBTYPE_SH7751R=y
 # CONFIG_CPU_SUBTYPE_SH7760 is not set
 # CONFIG_CPU_SUBTYPE_SH4_202 is not set

arch/sh/configs/lboxre2_defconfig

@@ -159,7 +159,7 @@ CONFIG_CPU_SH4=y
 # CONFIG_CPU_SUBTYPE_SH7091 is not set
 # CONFIG_CPU_SUBTYPE_SH7750R is not set
 # CONFIG_CPU_SUBTYPE_SH7750S is not set
-CONFIG_CPU_SUBTYPE_SH7751=y
+# CONFIG_CPU_SUBTYPE_SH7751 is not set
 CONFIG_CPU_SUBTYPE_SH7751R=y
 # CONFIG_CPU_SUBTYPE_SH7760 is not set
 # CONFIG_CPU_SUBTYPE_SH4_202 is not set

arch/sh/configs/rts7751r2d_defconfig

@@ -243,8 +243,8 @@ CONFIG_SH_PCLK_FREQ=60000000
 #
 # DMA support
 #
-CONFIG_SH_DMA=y
-CONFIG_NR_ONCHIP_DMA_CHANNELS=8
+# CONFIG_SH_DMA is not set
+# CONFIG_NR_ONCHIP_DMA_CHANNELS is not set
 # CONFIG_NR_DMA_CHANNELS_BOOL is not set
 
 #
@@ -280,7 +280,7 @@ CONFIG_ZERO_PAGE_OFFSET=0x00010000
 CONFIG_BOOT_LINK_OFFSET=0x00800000
 # CONFIG_UBC_WAKEUP is not set
 CONFIG_CMDLINE_BOOL=y
-CONFIG_CMDLINE="console=tty0 console=ttySC0,115200 root=/dev/sda1 earlyprintk=bios"
+CONFIG_CMDLINE="console=tty0 console=ttySC0,115200 root=/dev/sda1 earlyprintk=serial"
 
 #
 # Bus options
@@ -1323,7 +1323,7 @@ CONFIG_ENABLE_MUST_CHECK=y
 # CONFIG_DEBUG_KERNEL is not set
 CONFIG_LOG_BUF_SHIFT=14
 # CONFIG_DEBUG_BUGVERBOSE is not set
-CONFIG_SH_STANDARD_BIOS=y
+# CONFIG_SH_STANDARD_BIOS is not set
 CONFIG_EARLY_SCIF_CONSOLE=y
 CONFIG_EARLY_SCIF_CONSOLE_PORT=0xffe80000
 CONFIG_EARLY_PRINTK=y

arch/sh/configs/systemh_defconfig

@@ -141,7 +141,7 @@ CONFIG_CPU_SH4=y
 # CONFIG_CPU_SUBTYPE_SH7091 is not set
 # CONFIG_CPU_SUBTYPE_SH7750R is not set
 # CONFIG_CPU_SUBTYPE_SH7750S is not set
-CONFIG_CPU_SUBTYPE_SH7751=y
+# CONFIG_CPU_SUBTYPE_SH7751 is not set
 CONFIG_CPU_SUBTYPE_SH7751R=y
 # CONFIG_CPU_SUBTYPE_SH7760 is not set
 # CONFIG_CPU_SUBTYPE_SH4_202 is not set

arch/sh/configs/titan_defconfig

@@ -147,7 +147,7 @@ CONFIG_CPU_SH4=y
 # CONFIG_CPU_SUBTYPE_SH7091 is not set
 # CONFIG_CPU_SUBTYPE_SH7750R is not set
 # CONFIG_CPU_SUBTYPE_SH7750S is not set
-CONFIG_CPU_SUBTYPE_SH7751=y
+# CONFIG_CPU_SUBTYPE_SH7751 is not set
 CONFIG_CPU_SUBTYPE_SH7751R=y
 # CONFIG_CPU_SUBTYPE_SH7760 is not set
 # CONFIG_CPU_SUBTYPE_SH4_202 is not set

arch/sh/kernel/cpu/sh3/entry.S

@@ -149,8 +149,7 @@ call_dpf:
 	 lds	r10, pr
 	rts
 	 nop
-0:	sti
-	mov.l	3f, r0
+0:	mov.l	3f, r0
 	mov	r9, r6
 	mov	r8, r5
 	jmp	@r0

arch/sh/kernel/traps.c

@@ -854,9 +854,14 @@ void __init trap_init(void)
 	set_exception_table_evt(0x800, do_reserved_inst);
 	set_exception_table_evt(0x820, do_illegal_slot_inst);
 #elif defined(CONFIG_SH_FPU)
+#ifdef CONFIG_CPU_SUBTYPE_SHX3
+	set_exception_table_evt(0xd80, do_fpu_state_restore);
+	set_exception_table_evt(0xda0, do_fpu_state_restore);
+#else
 	set_exception_table_evt(0x800, do_fpu_state_restore);
 	set_exception_table_evt(0x820, do_fpu_state_restore);
 #endif
+#endif
 
 #ifdef CONFIG_CPU_SH2
 	set_exception_table_vec(TRAP_ADDRESS_ERROR, address_error_handler);

arch/sh/mm/Makefile

@@ -8,7 +8,9 @@ obj-$(CONFIG_CPU_SH2)	+= cache-sh2.o
 obj-$(CONFIG_CPU_SH3)	+= cache-sh3.o
 obj-$(CONFIG_CPU_SH4)	+= cache-sh4.o
 
-mmu-y			:= fault-nommu.o tlb-nommu.o pg-nommu.o
+mmu-y			:= tlb-nommu.o pg-nommu.o
+mmu-$(CONFIG_CPU_SH3)	+= fault-nommu.o
+mmu-$(CONFIG_CPU_SH4)	+= fault-nommu.o
 mmu-$(CONFIG_MMU)	:= fault.o clear_page.o copy_page.o tlb-flush.o	\
 			   ioremap.o
 

arch/sh/mm/fault-nommu.c

 /*
  * arch/sh/mm/fault-nommu.c
  *
- * Copyright (C) 2002 Paul Mundt
+ * Copyright (C) 2002 - 2007 Paul Mundt
  *
  * Based on linux/arch/sh/mm/fault.c:
  *  Copyright (C) 1999  Niibe Yutaka
  *
  * Released under the terms of the GNU GPL v2.0.
  */
-
-#include <linux/signal.h>
-#include <linux/sched.h>
 #include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/types.h>
-#include <linux/ptrace.h>
-#include <linux/mman.h>
 #include <linux/mm.h>
-#include <linux/smp.h>
-#include <linux/interrupt.h>
-
+#include <linux/hardirq.h>
+#include <linux/kprobes.h>
 #include <asm/system.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
-#include <asm/pgalloc.h>
-#include <asm/mmu_context.h>
-#include <asm/cacheflush.h>
-
-#if defined(CONFIG_SH_KGDB)
+#include <asm/ptrace.h>
 #include <asm/kgdb.h>
-#endif
-
-extern void die(const char *,struct pt_regs *,long);
 
 /*
  * This routine handles page faults.  It determines the address,
  * and the problem, and then passes it off to one of the appropriate
  * routines.
  */
-asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long writeaccess,
+asmlinkage void __kprobes do_page_fault(struct pt_regs *regs,
+					unsigned long writeaccess,
 					unsigned long address)
 {
+	trace_hardirqs_on();
+	local_irq_enable();
+
 #if defined(CONFIG_SH_KGDB)
 	if (kgdb_nofault && kgdb_bus_err_hook)
 		kgdb_bus_err_hook();
@@ -65,7 +51,8 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long writeaccess,
 	do_exit(SIGKILL);
 }
 
-asmlinkage int __do_page_fault(struct pt_regs *regs, unsigned long writeaccess,
+asmlinkage int __kprobes __do_page_fault(struct pt_regs *regs,
+					 unsigned long writeaccess,
 					 unsigned long address)
 {
 #if defined(CONFIG_SH_KGDB)
@@ -73,9 +60,5 @@ asmlinkage int __do_page_fault(struct pt_regs *regs, unsigned long writeaccess,
 		kgdb_bus_err_hook();
 #endif
 
-	if (address >= TASK_SIZE)
-		return 1;
-
-	return 0;
+	return (address >= TASK_SIZE);
 }
-

arch/sh/mm/fault.c

@@ -184,8 +184,7 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs,
 		printk(KERN_ALERT "pc = %08lx\n", regs->pc);
 		page = (unsigned long)get_TTB();
 		if (page) {
-			page = ((__typeof__(page) *) __va(page))[address >>
-								 PGDIR_SHIFT];
+			page = ((__typeof__(page) *)page)[address >> PGDIR_SHIFT];
 			printk(KERN_ALERT "*pde = %08lx\n", page);
 			if (page & _PAGE_PRESENT) {
 				page &= PAGE_MASK;

include/asm-sh/rts7751r2d.h

@@ -37,7 +37,7 @@
 #define PA_VERREG	0xa4000032	/* FPGA Version Register */
 #define PA_INPORT	0xa4000034	/* KEY Input Port control */
 #define PA_OUTPORT	0xa4000036	/* LED control */
-#define PA_DMPORT	0xa4000038	/* DM270 Output Port control */
+#define PA_BVERREG	0xa4000038	/* Board Revision Register */
 
 #define PA_AX88796L	0xaa000400	/* AX88796L Area */
 #define PA_VOYAGER	0xab000000	/* VOYAGER GX Area */