diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 594dce426f4a..385fef3ebeb4 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1970,16 +1970,16 @@ config BUILD_ARM_APPENDED_DTB_IMAGE
 	bool "Build a concatenated zImage/dtb by default"
 	depends on OF
 	help
-	  Enabling this option will cause a concatenated zImage and list of
-	  DTBs to be built by default (instead of a standalone zImage.)
-	  The image will built in arch/arm/boot/zImage-dtb
+	  Enabling this option will cause a concatenated zImage and DTB to
+	  be built by default (instead of a standalone zImage.)  The image
+	  will built in arch/arm/boot/zImage-dtb.<dtb name>
 
-config BUILD_ARM_APPENDED_DTB_IMAGE_NAMES
-	string "Default dtb names"
+config BUILD_ARM_APPENDED_DTB_IMAGE_NAME
+	string "Default dtb name"
 	depends on BUILD_ARM_APPENDED_DTB_IMAGE
 	help
-	  Space separated list of names of dtbs to append when
-	  building a concatenated zImage-dtb.
+	  name of the dtb to append when building a concatenated
+	  zImage/dtb.
 
 # Compressed boot loader in ROM.  Yes, we really want to ask about
 # TEXT and BSS so we preserve their values in the config files.
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 314c7be492a9..883e4bec807f 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -265,7 +265,7 @@ libs-y				:= arch/arm/lib/ $(libs-y)
 ifeq ($(CONFIG_XIP_KERNEL),y)
 KBUILD_IMAGE := xipImage
 else ifeq ($(CONFIG_BUILD_ARM_APPENDED_DTB_IMAGE),y)
-KBUILD_IMAGE := zImage-dtb
+KBUILD_IMAGE := zImage-dtb.$(CONFIG_BUILD_ARM_APPENDED_DTB_IMAGE_NAME)
 else
 KBUILD_IMAGE := zImage
 endif
@@ -297,9 +297,6 @@ zinstall uinstall install: vmlinux
 dtbs: scripts
 	$(Q)$(MAKE) $(build)=$(boot)/dts MACHINE=$(MACHINE) dtbs
 
-zImage-dtb: vmlinux scripts dtbs
-	$(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
-
 # We use MRPROPER_FILES and CLEAN_FILES now
 archclean:
 	$(Q)$(MAKE) $(clean)=$(boot)
diff --git a/arch/arm/boot/.gitignore b/arch/arm/boot/.gitignore
index ad7a0253ea96..3c79f85975aa 100644
--- a/arch/arm/boot/.gitignore
+++ b/arch/arm/boot/.gitignore
@@ -4,4 +4,3 @@ xipImage
 bootpImage
 uImage
 *.dtb
-zImage-dtb
\ No newline at end of file
diff --git a/arch/arm/boot/Makefile b/arch/arm/boot/Makefile
index 3310df3a0569..84aa2caf07ed 100644
--- a/arch/arm/boot/Makefile
+++ b/arch/arm/boot/Makefile
@@ -27,14 +27,6 @@ export ZRELADDR INITRD_PHYS PARAMS_PHYS
 
 targets := Image zImage xipImage bootpImage uImage
 
-DTB_NAMES := $(subst $\",,$(CONFIG_BUILD_ARM_APPENDED_DTB_IMAGE_NAMES))
-ifneq ($(DTB_NAMES),)
-DTB_LIST := $(addsuffix .dtb,$(DTB_NAMES))
-else
-DTB_LIST := $(dtb-y)
-endif
-DTB_OBJS := $(addprefix $(obj)/dts/,$(DTB_LIST))
-
 ifeq ($(CONFIG_XIP_KERNEL),y)
 
 $(obj)/xipImage: vmlinux FORCE
@@ -63,10 +55,6 @@ $(obj)/zImage:	$(obj)/compressed/vmlinux FORCE
 	$(call if_changed,objcopy)
 	@$(kecho) '  Kernel: $@ is ready'
 
-$(obj)/zImage-dtb:	$(obj)/zImage $(DTB_OBJS) FORCE
-	$(call if_changed,cat)
-	@echo '  Kernel: $@ is ready'
-
 endif
 
 ifneq ($(LOADADDR),)
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 29ae75e209be..00baf9f5766a 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -217,20 +217,13 @@ dtb-$(CONFIG_ARCH_VT8500) += vt8500-bv07.dtb \
 	wm8850-w70v2.dtb
 dtb-$(CONFIG_ARCH_ZYNQ) += zynq-zc702.dtb
 
-DTB_NAMES := $(subst $\",,$(CONFIG_BUILD_ARM_APPENDED_DTB_IMAGE_NAMES))
-ifneq ($(DTB_NAMES),)
-DTB_LIST := $(addsuffix .dtb,$(DTB_NAMES))
-else
-DTB_LIST := $(dtb-y)
-endif
-
 targets += dtbs
-targets += $(DTB_LIST)
+targets += $(dtb-y)
 endif
 
 # *.dtb used to be generated in the directory above. Clean out the
 # old build results so people don't accidentally use them.
-dtbs: $(addprefix $(obj)/, $(DTB_LIST))
+dtbs: $(addprefix $(obj)/, $(dtb-y))
 	$(Q)rm -f $(obj)/../*.dtb
 
 clean-files := *.dtb
diff --git a/drivers/char/dcc_tty.c b/drivers/char/dcc_tty.c
index a787accdcb14..0a62d410286f 100644
--- a/drivers/char/dcc_tty.c
+++ b/drivers/char/dcc_tty.c
@@ -26,7 +26,7 @@ MODULE_DESCRIPTION("DCC TTY Driver");
 MODULE_LICENSE("GPL");
 MODULE_VERSION("1.0");
 
-static spinlock_t g_dcc_tty_lock = SPIN_LOCK_UNLOCKED;
+DEFINE_SPINLOCK(g_dcc_tty_lock);
 static struct hrtimer g_dcc_timer;
 static char g_dcc_buffer[16];
 static int g_dcc_buffer_head;
@@ -80,8 +80,8 @@ static void dcc_poll_locked(void)
 		);
 		if (rch >= 0) {
 			ch = rch;
-			tty_insert_flip_string(g_dcc_tty, &ch, 1);
-			tty_flip_buffer_push(g_dcc_tty);
+			tty_insert_flip_string(g_dcc_tty->port, &ch, 1);
+			tty_flip_buffer_push(g_dcc_tty->port);
 		}
 	}
 
diff --git a/drivers/cpufreq/Kconfig b/drivers/cpufreq/Kconfig
index 62236d633391..e86900b03c8e 100644
--- a/drivers/cpufreq/Kconfig
+++ b/drivers/cpufreq/Kconfig
@@ -172,6 +172,7 @@ config CPU_FREQ_GOV_ONDEMAND
 
 config CPU_FREQ_GOV_INTERACTIVE
 	tristate "'interactive' cpufreq policy governor"
+	default n
 	help
 	  'interactive' - This driver adds a dynamic cpufreq policy governor
 	  designed for latency-sensitive workloads.
diff --git a/drivers/gpu/ion/ion_chunk_heap.c b/drivers/gpu/ion/ion_chunk_heap.c
index d5e7379a6f46..8c8f5c3c5537 100644
--- a/drivers/gpu/ion/ion_chunk_heap.c
+++ b/drivers/gpu/ion/ion_chunk_heap.c
@@ -185,8 +185,8 @@ struct ion_heap *ion_chunk_heap_create(struct ion_platform_heap *heap_data)
 	chunk_heap->heap.ops = &chunk_heap_ops;
 	chunk_heap->heap.type = ION_HEAP_TYPE_CHUNK;
 	chunk_heap->heap.flags = ION_HEAP_FLAG_DEFER_FREE;
-	pr_info("%s: base %lu size %u align %ld\n", __func__, chunk_heap->base,
-		heap_data->size, heap_data->align);
+	pr_info("%s: base %lu size %zu align %ld\n", __func__,
+			  chunk_heap->base, heap_data->size, heap_data->align);
 
 	return &chunk_heap->heap;
 
diff --git a/drivers/staging/android/binder_trace.h b/drivers/staging/android/binder_trace.h
index 82a567c2af67..c661e376398f 100644
--- a/drivers/staging/android/binder_trace.h
+++ b/drivers/staging/android/binder_trace.h
@@ -159,7 +159,7 @@ TRACE_EVENT(binder_transaction_node_to_ref,
 	TP_fast_assign(
 		__entry->debug_id = t->debug_id;
 		__entry->node_debug_id = node->debug_id;
-		__entry->node_ptr = node->ptr;
+		__entry->node_ptr = (void __user *)node->ptr;
 		__entry->ref_debug_id = ref->debug_id;
 		__entry->ref_desc = ref->desc;
 	),
@@ -184,7 +184,7 @@ TRACE_EVENT(binder_transaction_ref_to_node,
 		__entry->ref_debug_id = ref->debug_id;
 		__entry->ref_desc = ref->desc;
 		__entry->node_debug_id = ref->node->debug_id;
-		__entry->node_ptr = ref->node->ptr;
+		__entry->node_ptr = (void __user *)ref->node->ptr;
 	),
 	TP_printk("transaction=%d node=%d src_ref=%d src_desc=%d ==> dest_ptr=0x%p",
 		  __entry->debug_id, __entry->node_debug_id,
diff --git a/fs/fat/dir.c b/fs/fat/dir.c
index ddfa4529e6ea..4b775e606fc8 100644
--- a/fs/fat/dir.c
+++ b/fs/fat/dir.c
@@ -841,6 +841,8 @@ static long fat_compat_dir_ioctl(struct file *filp, unsigned cmd,
 		short_only = 0;
 		both = 1;
 		break;
+	case VFAT_IOCTL_GET_VOLUME_ID:
+		return fat_ioctl_volume_id(inode);
 	default:
 		return fat_generic_ioctl(filp, cmd, (unsigned long)arg);
 	}
diff --git a/kernel/printk.c b/kernel/printk.c
index c67162c05ea3..d37d45c90ae6 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -51,10 +51,6 @@
 #define CREATE_TRACE_POINTS
 #include <trace/events/printk.h>
 
-#ifdef        CONFIG_DEBUG_LL
-extern void printascii(char *);
-#endif
-
 /* printk's without a loglevel use this.. */
 #define DEFAULT_MESSAGE_LOGLEVEL CONFIG_DEFAULT_MESSAGE_LOGLEVEL
 
@@ -1556,10 +1552,6 @@ asmlinkage int vprintk_emit(int facility, int level,
 	 */
 	text_len = vscnprintf(text, sizeof(textbuf), fmt, args);
 
-#ifdef	CONFIG_DEBUG_LL
-	printascii(text);
-#endif
-
 	/* mark and strip a trailing newline */
 	if (text_len && text[text_len-1] == '\n') {
 		text_len--;
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 80c0b17373f7..5d41059e1e92 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -167,7 +167,6 @@ static int debug_shrinker_show(struct seq_file *s, void *unused)
 
 	down_read(&shrinker_rwsem);
 	list_for_each_entry(shrinker, &shrinker_list, list) {
-		char name[64];
 		int num_objs;
 
 		num_objs = shrinker->shrink(shrinker, &sc);
diff --git a/net/Kconfig b/net/Kconfig
index c5e34cf623c4..2a680dadfd6c 100644
--- a/net/Kconfig
+++ b/net/Kconfig
@@ -83,13 +83,13 @@ endif # if INET
 
 config ANDROID_PARANOID_NETWORK
 	bool "Only allow certain groups to create sockets"
-	default y
+	default ANDROID
 	help
 		none
 
 config NET_ACTIVITY_STATS
 	bool "Network activity statistics tracking"
-	default y
+	default ANDROID
 	help
 	 Network activity statistics are useful for tracking wireless
 	 modem activity on 2G, 3G, 4G wireless networks. Counts number of
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index ef2142a61593..bd161eff6921 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -273,11 +273,17 @@ $(obj)/%.dtb: $(src)/%.dts FORCE
 
 dtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp)
 
-# cat
-# ---------------------------------------------------------------------------
-# Concatentate multiple files together
-quiet_cmd_cat = CAT     $@
-cmd_cat = (cat $(filter-out FORCE,$^) > $@) || (rm -f $@; false)
+$(obj)/%.dtb: $(src)/%.dts FORCE
+	$(call if_changed_dep,dtc)
+
+dtc-tmp = $(subst $(comma),_,$(dot-target).dts)
+
+quiet_cmd_dtc_cpp = DTC+CPP $@
+cmd_dtc_cpp = $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \
+	$(objtree)/scripts/dtc/dtc -O dtb -o $@ -b 0 $(DTC_FLAGS) $(dtc-tmp)
+
+$(obj)/%.dtb: $(src)/%.dtsp FORCE
+	$(call if_changed_dep,dtc_cpp)
 
 # Bzip2
 # ---------------------------------------------------------------------------