Merge branch 'sh/for-2.6.27' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6

* 'sh/for-2.6.27' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6:
  i2c: fix i2c-sh_mobile timing issues
  sh64: resume_kernel fix for kernel oops built with CONFIG_BKL_PREEMPT=y.
  sh: resume_kernel fix for kernel oops built with CONFIG_BKL_PREEMPT=y.
  sh: fix semtimedop syscall
  sh: update AP325RXA defconfig
  sh: update Migo-R defconfig
  sh: fix platform_resource_setup_memory() section mismatch
  sh: fix kexec entry point for crash kernels
  sh: crash kernel resource fix
  sh: fix ptrace_64.c:user_disable_single_step()
  sh64: re-add the __strnlen_user() prototype

10 files changed, 42 insertions, 62 deletions

diff --git a/arch/sh/configs/ap325rxa_defconfig b/arch/sh/configs/ap325rxa_defconfig
index 29926a9b9ce2..851c870adf3b 100644
--- a/arch/sh/configs/ap325rxa_defconfig
+++ b/arch/sh/configs/ap325rxa_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.26
-# Wed Jul 30 01:18:59 2008
+# Linux kernel version: 2.6.27-rc4
+# Tue Aug 26 14:21:17 2008
 #
 CONFIG_SUPERH=y
 CONFIG_SUPERH32=y
@@ -11,6 +11,7 @@ CONFIG_GENERIC_BUG=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_IRQ_PROBE=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
 CONFIG_GENERIC_TIME=y
@@ -20,7 +21,6 @@ CONFIG_LOCKDEP_SUPPORT=y
 # CONFIG_ARCH_HAS_ILOG2_U32 is not set
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set
 CONFIG_ARCH_NO_VIRT_TO_BUS=y
-CONFIG_ARCH_SUPPORTS_AOUT=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
@@ -58,7 +58,6 @@ CONFIG_SYSCTL=y
 CONFIG_EMBEDDED=y
 CONFIG_UID16=y
 CONFIG_SYSCTL_SYSCALL=y
-CONFIG_SYSCTL_SYSCALL_CHECK=y
 # CONFIG_KALLSYMS is not set
 CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
@@ -89,6 +88,7 @@ CONFIG_HAVE_OPROFILE=y
 # CONFIG_USE_GENERIC_SMP_HELPERS is not set
 CONFIG_HAVE_CLK=y
 CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
 # CONFIG_TINY_SHMEM is not set
@@ -261,9 +261,10 @@ CONFIG_HZ_250=y
 # CONFIG_HZ_300 is not set
 # CONFIG_HZ_1000 is not set
 CONFIG_HZ=250
-# CONFIG_SCHED_HRTICK is not set
+CONFIG_SCHED_HRTICK=y
 # CONFIG_KEXEC is not set
 # CONFIG_CRASH_DUMP is not set
+CONFIG_SECCOMP=y
 # CONFIG_PREEMPT_NONE is not set
 # CONFIG_PREEMPT_VOLUNTARY is not set
 CONFIG_PREEMPT=y
@@ -289,10 +290,6 @@ CONFIG_CMDLINE="console=tty1 console=ttySC5,38400 root=/dev/nfs ip=dhcp"
 #
 CONFIG_BINFMT_ELF=y
 # CONFIG_BINFMT_MISC is not set
-
-#
-# Networking
-#
 CONFIG_NET=y
 
 #
@@ -647,6 +644,7 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
 
 #
 # Multimedia devices
@@ -690,7 +688,10 @@ CONFIG_DUMMY_CONSOLE=y
 # CONFIG_ACCESSIBILITY is not set
 # CONFIG_RTC_CLASS is not set
 # CONFIG_DMADEVICES is not set
-# CONFIG_UIO is not set
+CONFIG_UIO=y
+# CONFIG_UIO_PDRV is not set
+CONFIG_UIO_PDRV_GENIRQ=y
+# CONFIG_UIO_SMX is not set
 
 #
 # File systems
@@ -854,6 +855,7 @@ CONFIG_FRAME_WARN=1024
 # CONFIG_DEBUG_KERNEL is not set
 # CONFIG_DEBUG_BUGVERBOSE is not set
 # CONFIG_DEBUG_MEMORY_INIT is not set
+CONFIG_SYSCTL_SYSCALL_CHECK=y
 # CONFIG_SAMPLES is not set
 # CONFIG_SH_STANDARD_BIOS is not set
 # CONFIG_EARLY_SCIF_CONSOLE is not set
diff --git a/arch/sh/configs/migor_defconfig b/arch/sh/configs/migor_defconfig
index c4b3e1d8950d..4f8b1974f2c7 100644
--- a/arch/sh/configs/migor_defconfig
+++ b/arch/sh/configs/migor_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.26
-# Wed Jul 30 01:44:41 2008
+# Linux kernel version: 2.6.27-rc4
+# Tue Aug 26 14:18:17 2008
 #
 CONFIG_SUPERH=y
 CONFIG_SUPERH32=y
@@ -11,6 +11,7 @@ CONFIG_GENERIC_BUG=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_IRQ_PROBE=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
 CONFIG_GENERIC_TIME=y
@@ -21,7 +22,6 @@ CONFIG_LOCKDEP_SUPPORT=y
 # CONFIG_ARCH_HAS_ILOG2_U32 is not set
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set
 CONFIG_ARCH_NO_VIRT_TO_BUS=y
-CONFIG_ARCH_SUPPORTS_AOUT=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
@@ -87,6 +87,7 @@ CONFIG_HAVE_OPROFILE=y
 # CONFIG_USE_GENERIC_SMP_HELPERS is not set
 CONFIG_HAVE_CLK=y
 CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
 # CONFIG_TINY_SHMEM is not set
@@ -270,6 +271,7 @@ CONFIG_HZ=250
 # CONFIG_SCHED_HRTICK is not set
 # CONFIG_KEXEC is not set
 # CONFIG_CRASH_DUMP is not set
+CONFIG_SECCOMP=y
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
@@ -294,10 +296,6 @@ CONFIG_CMDLINE="console=ttySC0,115200 earlyprintk=serial ip=on"
 #
 CONFIG_BINFMT_ELF=y
 # CONFIG_BINFMT_MISC is not set
-
-#
-# Networking
-#
 CONFIG_NET=y
 
 #
@@ -649,6 +647,7 @@ CONFIG_HW_RANDOM=y
 CONFIG_I2C=y
 CONFIG_I2C_BOARDINFO=y
 # CONFIG_I2C_CHARDEV is not set
+CONFIG_I2C_HELPER_AUTO=y
 
 #
 # I2C Hardware Bus support
@@ -709,6 +708,7 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
 
 #
 # Multimedia devices
@@ -755,6 +755,8 @@ CONFIG_USB_ARCH_HAS_HCD=y
 # CONFIG_USB is not set
 # CONFIG_USB_OTG_WHITELIST is not set
 # CONFIG_USB_OTG_BLACKLIST_HUB is not set
+# CONFIG_USB_MUSB_HDRC is not set
+# CONFIG_USB_GADGET_MUSB_HDRC is not set
 
 #
 # NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
@@ -842,7 +844,10 @@ CONFIG_RTC_DRV_RS5C372=y
 #
 CONFIG_RTC_DRV_SH=y
 # CONFIG_DMADEVICES is not set
-# CONFIG_UIO is not set
+CONFIG_UIO=y
+# CONFIG_UIO_PDRV is not set
+CONFIG_UIO_PDRV_GENIRQ=y
+# CONFIG_UIO_SMX is not set
 
 #
 # File systems
diff --git a/arch/sh/include/asm/uaccess_64.h b/arch/sh/include/asm/uaccess_64.h
index 81b3d515fcb3..5580fd471003 100644
--- a/arch/sh/include/asm/uaccess_64.h
+++ b/arch/sh/include/asm/uaccess_64.h
@@ -76,4 +76,6 @@ extern long __put_user_asm_l(void *, long);
 extern long __put_user_asm_q(void *, long);
 extern void __put_user_unknown(void);
 
+extern long __strnlen_user(const char *__s, long __n);
+
 #endif /* __ASM_SH_UACCESS_64_H */
diff --git a/arch/sh/kernel/cpu/sh5/entry.S b/arch/sh/kernel/cpu/sh5/entry.S
index 04c7da968146..e640c63d5811 100644
--- a/arch/sh/kernel/cpu/sh5/entry.S
+++ b/arch/sh/kernel/cpu/sh5/entry.S
@@ -2,7 +2,7 @@
  * arch/sh/kernel/cpu/sh5/entry.S
  *
  * Copyright (C) 2000, 2001  Paolo Alberelli
- * Copyright (C) 2004 - 2007  Paul Mundt
+ * Copyright (C) 2004 - 2008  Paul Mundt
  * Copyright (C) 2003, 2004  Richard Curnow
  *
  * This file is subject to the terms and conditions of the GNU General Public
@@ -923,6 +923,8 @@ ret_from_exception:
 	blink   tr0, ZERO
 
 resume_kernel:
+	CLI()
+
 	pta	restore_all, tr0
 
 	getcon	KCR0, r6
@@ -939,19 +941,11 @@ need_resched:
 	andi	r7, 0xf0, r7
 	bne	r7, ZERO, tr0
 
-	movi	((PREEMPT_ACTIVE >> 16) & 65535), r8
-	shori	(PREEMPT_ACTIVE & 65535), r8
-	st.l	r6, TI_PRE_COUNT, r8
-
-	STI()
-	movi	schedule, r7
+	movi	preempt_schedule_irq, r7
 	ori	r7, 1, r7
 	ptabs	r7, tr1
 	blink	tr1, LINK
 
-	st.l	r6, TI_PRE_COUNT, ZERO
-	CLI()
-
 	pta	need_resched, tr1
 	blink	tr1, ZERO
 #endif
diff --git a/arch/sh/kernel/entry-common.S b/arch/sh/kernel/entry-common.S
index 0bc17def55a7..efbb4268875e 100644
--- a/arch/sh/kernel/entry-common.S
+++ b/arch/sh/kernel/entry-common.S
@@ -92,6 +92,7 @@ ENTRY(ret_from_irq)
 	bra	resume_userspace
 	 nop
 ENTRY(resume_kernel)
+	cli
 	mov.l	@(TI_PRE_COUNT,r8), r0	! current_thread_info->preempt_count
 	tst	r0, r0
 	bf	noresched
@@ -105,28 +106,9 @@ need_resched:
 	and	#0xf0, r0		! interrupts off (exception path)?
 	cmp/eq	#0xf0, r0
 	bt	noresched
-
-	mov.l	1f, r0
-	mov.l	r0, @(TI_PRE_COUNT,r8)
-
-#ifdef CONFIG_TRACE_IRQFLAGS
 	mov.l	3f, r0
-	jsr	@r0
-	 nop
-#endif
-	sti
-	mov.l	2f, r0
-	jsr	@r0
-	 nop
-	mov	#0, r0
-	mov.l	r0, @(TI_PRE_COUNT,r8)
-	cli
-#ifdef CONFIG_TRACE_IRQFLAGS
-	mov.l	4f, r0
-	jsr	@r0
+	jsr	@r0			! call preempt_schedule_irq
 	 nop
-#endif
-
 	bra	need_resched
 	 nop
 
@@ -137,10 +119,7 @@ noresched:
 	.align 2
 1:	.long	PREEMPT_ACTIVE
 2:	.long	schedule
-#ifdef CONFIG_TRACE_IRQFLAGS
-3:	.long	trace_hardirqs_on
-4:	.long	trace_hardirqs_off
-#endif
+3:	.long	preempt_schedule_irq
 #endif
 
 ENTRY(resume_userspace)
diff --git a/arch/sh/kernel/machine_kexec.c b/arch/sh/kernel/machine_kexec.c
index 4703dff174d5..94df56b0d1f6 100644
--- a/arch/sh/kernel/machine_kexec.c
+++ b/arch/sh/kernel/machine_kexec.c
@@ -102,7 +102,7 @@ void machine_kexec(struct kimage *image)
 
 	/* now call it */
 	rnk = (relocate_new_kernel_t) reboot_code_buffer;
-	(*rnk)(page_list, reboot_code_buffer, image->start, vbr_reg);
+	(*rnk)(page_list, reboot_code_buffer, P2SEGADDR(image->start), vbr_reg);
 }
 
 void arch_crash_save_vmcoreinfo(void)
diff --git a/arch/sh/kernel/ptrace_64.c b/arch/sh/kernel/ptrace_64.c
index 5922edd416db..9c6424892bd3 100644
--- a/arch/sh/kernel/ptrace_64.c
+++ b/arch/sh/kernel/ptrace_64.c
@@ -131,6 +131,8 @@ void user_enable_single_step(struct task_struct *child)
 
 void user_disable_single_step(struct task_struct *child)
 {
+	struct pt_regs *regs = child->thread.uregs;
+
 	regs->sr &= ~SR_SSTEP;
 }
 
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index a35207655e7b..de832056bf1b 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -171,6 +171,7 @@ static void __init reserve_crashkernel(void)
 				(unsigned long)(free_mem >> 20));
 		crashk_res.start = crash_base;
 		crashk_res.end   = crash_base + crash_size - 1;
+		insert_resource(&iomem_resource, &crashk_res);
 	}
 }
 #else
@@ -204,11 +205,6 @@ void __init __add_active_range(unsigned int nid, unsigned long start_pfn,
 	request_resource(res, &data_resource);
 	request_resource(res, &bss_resource);
 
-#ifdef CONFIG_KEXEC
-	if (crashk_res.start != crashk_res.end)
-		request_resource(res, &crashk_res);
-#endif
-
 	add_active_range(nid, start_pfn, end_pfn);
 }
 
diff --git a/arch/sh/kernel/sys_sh.c b/arch/sh/kernel/sys_sh.c
index 59cd2859ce9b..9061b86d73fa 100644
--- a/arch/sh/kernel/sys_sh.c
+++ b/arch/sh/kernel/sys_sh.c
@@ -170,7 +170,7 @@ asmlinkage int sys_ipc(uint call, int first, int second,
 	version = call >> 16; /* hack for backward compatibility */
 	call &= 0xffff;
 
-	if (call <= SEMCTL)
+	if (call <= SEMTIMEDOP)
 		switch (call) {
 		case SEMOP:
 			return sys_semtimedop(first,
diff --git a/arch/sh/mm/consistent.c b/arch/sh/mm/consistent.c
index 895bb3f335c7..64b8f7f96f9a 100644
--- a/arch/sh/mm/consistent.c
+++ b/arch/sh/mm/consistent.c
@@ -101,7 +101,7 @@ static int __init memchunk_setup(char *str)
 }
 __setup("memchunk.", memchunk_setup);
 
-static void memchunk_cmdline_override(char *name, unsigned long *sizep)
+static void __init memchunk_cmdline_override(char *name, unsigned long *sizep)
 {
 	char *p = boot_command_line;
 	int k = strlen(name);
@@ -118,8 +118,8 @@ static void memchunk_cmdline_override(char *name, unsigned long *sizep)
 	}
 }
 
-int platform_resource_setup_memory(struct platform_device *pdev,
-				   char *name, unsigned long memsize)
+int __init platform_resource_setup_memory(struct platform_device *pdev,
+					  char *name, unsigned long memsize)
 {
 	struct resource *r;
 	dma_addr_t dma_handle;