5 files changed, 23 insertions, 2 deletions

diff --git a/arch/i386/kernel/tsc.c b/arch/i386/kernel/tsc.c
index debd7dbb4158..a39280b4dd3a 100644
--- a/arch/i386/kernel/tsc.c
+++ b/arch/i386/kernel/tsc.c
@@ -292,7 +292,6 @@ static struct clocksource clocksource_tsc = {
 
 void mark_tsc_unstable(char *reason)
 {
-        sched_clock_unstable_event();
         if (!tsc_unstable) {
                 tsc_unstable = 1;
                 tsc_enabled = 0;
diff --git a/arch/m68knommu/kernel/process.c b/arch/m68knommu/kernel/process.c
index 846f97534685..47502d5ec19f 100644
--- a/arch/m68knommu/kernel/process.c
+++ b/arch/m68knommu/kernel/process.c
@@ -28,6 +28,7 @@
 #include <linux/a.out.h>
 #include <linux/interrupt.h>
 #include <linux/reboot.h>
+#include <linux/fs.h>
 
 #include <asm/uaccess.h>
 #include <asm/system.h>
diff --git a/arch/m68knommu/kernel/sys_m68k.c b/arch/m68knommu/kernel/sys_m68k.c
index 48e6b33e8b44..15d62c5279a9 100644
--- a/arch/m68knommu/kernel/sys_m68k.c
+++ b/arch/m68knommu/kernel/sys_m68k.c
@@ -18,6 +18,7 @@
 #include <linux/mman.h>
 #include <linux/file.h>
 #include <linux/utsname.h>
+#include <linux/fs.h>
 
 #include <asm/setup.h>
 #include <asm/uaccess.h>
diff --git a/arch/sh/Makefile b/arch/sh/Makefile
index 3d211aa33cd8..97ac58682d0f 100644
--- a/arch/sh/Makefile
+++ b/arch/sh/Makefile
@@ -34,6 +34,8 @@ isa-y			:= $(isa-y)-nofpu
 endif
 endif
 
+isa-y                   := $(isa-y)-up
+
 cflags-$(CONFIG_CPU_SH2)                := $(call cc-option,-m2,)
 cflags-$(CONFIG_CPU_SH2A)               += $(call cc-option,-m2a,) \
                                            $(call cc-option,-m2a-nofpu,)
@@ -46,7 +48,20 @@ cflags-$(CONFIG_CPU_SH4A)		+= $(call cc-option,-m4a,) \
 cflags-$(CONFIG_CPU_BIG_ENDIAN)         += -mb
 cflags-$(CONFIG_CPU_LITTLE_ENDIAN)      += -ml
 
-cflags-y        += $(call as-option,-Wa$(comma)-isa=$(isa-y),) -ffreestanding
+#
+# -Wa,-isa= tuning implies -Wa,-dsp for the versions of binutils that
+# support it, while -Wa,-dsp by itself limits the range of usable opcodes
+# on certain CPU subtypes. Try the ISA variant first, and if that fails,
+# fall back on -Wa,-dsp for the old binutils versions. Even without DSP
+# opcodes, we always want the best ISA tuning the version of binutils
+# will provide.
+#
+isaflags-y      := $(call as-option,-Wa$(comma)-isa=$(isa-y),)
+
+isaflags-$(CONFIG_SH_DSP)               := \
+        $(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp)
+
+cflags-y        += $(isaflags-y) -ffreestanding
 
 cflags-$(CONFIG_MORE_COMPILE_OPTIONS)   += \
         $(shell echo $(CONFIG_COMPILE_OPTIONS) | sed -e 's/"//g')
diff --git a/arch/sh/kernel/cpu/sh4/setup-sh4-202.c b/arch/sh/kernel/cpu/sh4/setup-sh4-202.c
index 6e4e96541358..dab193293f20 100644
--- a/arch/sh/kernel/cpu/sh4/setup-sh4-202.c
+++ b/arch/sh/kernel/cpu/sh4/setup-sh4-202.c
@@ -41,3 +41,8 @@ static int __init sh4202_devices_setup(void)
                                     ARRAY_SIZE(sh4202_devices));
 }
 __initcall(sh4202_devices_setup);
+
+void __init plat_irq_setup(void)
+{
+        /* do nothing - all IRL interrupts are handled by the board code */
+}