diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c
index 632df9a66f8c..ede5f7741c42 100644
--- a/arch/arm/kernel/bios32.c
+++ b/arch/arm/kernel/bios32.c
@@ -299,7 +299,6 @@ static inline int pdev_bad_for_parity(struct pci_dev *dev)
  */
 void pcibios_fixup_bus(struct pci_bus *bus)
 {
-	struct pci_sys_data *root = bus->sysdata;
 	struct pci_dev *dev;
 	u16 features = PCI_COMMAND_SERR | PCI_COMMAND_PARITY | PCI_COMMAND_FAST_BACK;
 
diff --git a/arch/arm/kernel/insn.c b/arch/arm/kernel/insn.c
index ab312e516546..b760340b7014 100644
--- a/arch/arm/kernel/insn.c
+++ b/arch/arm/kernel/insn.c
@@ -1,3 +1,4 @@
+#include <linux/bug.h>
 #include <linux/kernel.h>
 #include <asm/opcodes.h>
 
diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c
index 45956c9d0ef0..80abafb9bf33 100644
--- a/arch/arm/kernel/ptrace.c
+++ b/arch/arm/kernel/ptrace.c
@@ -256,7 +256,7 @@ static int ptrace_read_user(struct task_struct *tsk, unsigned long off,
 {
 	unsigned long tmp;
 
-	if (off & 3 || off >= sizeof(struct user))
+	if (off & 3)
 		return -EIO;
 
 	tmp = 0;
@@ -268,6 +268,8 @@ static int ptrace_read_user(struct task_struct *tsk, unsigned long off,
 		tmp = tsk->mm->end_code;
 	else if (off < sizeof(struct pt_regs))
 		tmp = get_user_reg(tsk, off >> 2);
+	else if (off >= sizeof(struct user))
+		return -EIO;
 
 	return put_user(tmp, ret);
 }
diff --git a/arch/arm/mach-omap2/include/mach/barriers.h b/arch/arm/mach-omap2/include/mach/barriers.h
index 4fa72c7cc7cd..1c582a8592b9 100644
--- a/arch/arm/mach-omap2/include/mach/barriers.h
+++ b/arch/arm/mach-omap2/include/mach/barriers.h
@@ -22,6 +22,8 @@
 #ifndef __MACH_BARRIERS_H
 #define __MACH_BARRIERS_H
 
+#include <asm/outercache.h>
+
 extern void omap_bus_sync(void);
 
 #define rmb()		dsb()
diff --git a/drivers/dma/sa11x0-dma.c b/drivers/dma/sa11x0-dma.c
index 16a6b48883cf..ec78ccef9132 100644
--- a/drivers/dma/sa11x0-dma.c
+++ b/drivers/dma/sa11x0-dma.c
@@ -585,7 +585,7 @@ static dma_cookie_t sa11x0_dma_tx_submit(struct dma_async_tx_descriptor *tx)
 
 static struct dma_async_tx_descriptor *sa11x0_dma_prep_slave_sg(
 	struct dma_chan *chan, struct scatterlist *sg, unsigned int sglen,
-	enum dma_transfer_direction dir, unsigned long flags)
+	enum dma_transfer_direction dir, unsigned long flags, void *context)
 {
 	struct sa11x0_dma_chan *c = to_sa11x0_dma_chan(chan);
 	struct sa11x0_dma_desc *txd;
diff --git a/drivers/net/irda/sa1100_ir.c b/drivers/net/irda/sa1100_ir.c
index a0d1913a58d3..e25067552b20 100644
--- a/drivers/net/irda/sa1100_ir.c
+++ b/drivers/net/irda/sa1100_ir.c
@@ -147,7 +147,7 @@ static void sa1100_irda_dma_start(struct sa1100_buf *buf,
 	struct dma_async_tx_descriptor *desc;
 	struct dma_chan *chan = buf->chan;
 
-	desc = chan->device->device_prep_slave_sg(chan, &buf->sg, 1, dir,
+	desc = dmaengine_prep_slave_sg(chan, &buf->sg, 1, dir,
 			DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
 	if (desc) {
 		desc->callback = cb;