18 files changed, 141 insertions, 194 deletions

diff --git a/arch/avr32/Kconfig b/arch/avr32/Kconfig
index cd2062fe0f61..e9d689b7c833 100644
--- a/arch/avr32/Kconfig
+++ b/arch/avr32/Kconfig
@@ -6,6 +6,10 @@ config AVR32
 	select HAVE_CLK
 	select HAVE_OPROFILE
 	select HAVE_KPROBES
+	select HAVE_GENERIC_HARDIRQS
+	select GENERIC_IRQ_PROBE
+	select HARDIRQS_SW_RESEND
+	select GENERIC_IRQ_SHOW
 	help
 	  AVR32 is a high-performance 32-bit RISC microprocessor core,
 	  designed for cost-sensitive embedded applications, with particular
@@ -17,9 +21,6 @@ config AVR32
 config GENERIC_GPIO
 	def_bool y
 
-config GENERIC_HARDIRQS
-	def_bool y
-
 config STACKTRACE_SUPPORT
 	def_bool y
 
@@ -29,12 +30,6 @@ config LOCKDEP_SUPPORT
 config TRACE_IRQFLAGS_SUPPORT
 	def_bool y
 
-config HARDIRQS_SW_RESEND
-	def_bool y
-
-config GENERIC_IRQ_PROBE
-	def_bool y
-
 config RWSEM_GENERIC_SPINLOCK
 	def_bool y
 
diff --git a/arch/avr32/boards/atngw100/mrmt.c b/arch/avr32/boards/atngw100/mrmt.c
index 7919be311f4a..f91431963452 100644
--- a/arch/avr32/boards/atngw100/mrmt.c
+++ b/arch/avr32/boards/atngw100/mrmt.c
@@ -301,7 +301,7 @@ static int __init mrmt1_init(void)
 	/* Select the Touchscreen interrupt pin mode */
 	at32_select_periph( GPIO_PIOB_BASE, 1 << (PB_EXTINT_BASE+TS_IRQ),
 			GPIO_PERIPH_A, AT32_GPIOF_DEGLITCH);
-	set_irq_type( AT32_EXTINT(TS_IRQ), IRQ_TYPE_EDGE_FALLING );
+	irq_set_irq_type(AT32_EXTINT(TS_IRQ), IRQ_TYPE_EDGE_FALLING);
 	at32_spi_setup_slaves(0,spi01_board_info,ARRAY_SIZE(spi01_board_info));
 	spi_register_board_info(spi01_board_info,ARRAY_SIZE(spi01_board_info));
 #endif
diff --git a/arch/avr32/boards/atngw100/setup.c b/arch/avr32/boards/atngw100/setup.c
index 659d119ce712..fafed4c38fd2 100644
--- a/arch/avr32/boards/atngw100/setup.c
+++ b/arch/avr32/boards/atngw100/setup.c
@@ -322,6 +322,6 @@ static int __init atngw100_arch_init(void)
 	/* set_irq_type() after the arch_initcall for EIC has run, and
 	 * before the I2C subsystem could try using this IRQ.
 	 */
-	return set_irq_type(AT32_EXTINT(3), IRQ_TYPE_EDGE_FALLING);
+	return irq_set_irq_type(AT32_EXTINT(3), IRQ_TYPE_EDGE_FALLING);
 }
 arch_initcall(atngw100_arch_init);
diff --git a/arch/avr32/include/asm/bitops.h b/arch/avr32/include/asm/bitops.h
index f7dd5f71edf7..72444d97f80c 100644
--- a/arch/avr32/include/asm/bitops.h
+++ b/arch/avr32/include/asm/bitops.h
@@ -299,8 +299,7 @@ static inline int ffs(unsigned long word)
 #include <asm-generic/bitops/hweight.h>
 #include <asm-generic/bitops/lock.h>
 
-#include <asm-generic/bitops/ext2-non-atomic.h>
+#include <asm-generic/bitops/le.h>
 #include <asm-generic/bitops/ext2-atomic.h>
-#include <asm-generic/bitops/minix-le.h>
 
 #endif /* __ASM_AVR32_BITOPS_H */
diff --git a/arch/avr32/include/asm/setup.h b/arch/avr32/include/asm/setup.h
index ff5b7cf6be4d..160543dbec7e 100644
--- a/arch/avr32/include/asm/setup.h
+++ b/arch/avr32/include/asm/setup.h
@@ -94,6 +94,13 @@ struct tag_ethernet {
 
 #define ETH_INVALID_PHY	0xff
 
+/* board information */
+#define ATAG_BOARDINFO	0x54410008
+
+struct tag_boardinfo {
+	u32	board_number;
+};
+
 struct tag {
 	struct tag_header hdr;
 	union {
@@ -102,6 +109,7 @@ struct tag {
 		struct tag_cmdline cmdline;
 		struct tag_clock clock;
 		struct tag_ethernet ethernet;
+		struct tag_boardinfo boardinfo;
 	} u;
 };
 
@@ -128,6 +136,7 @@ extern struct tag *bootloader_tags;
 
 extern resource_size_t fbmem_start;
 extern resource_size_t fbmem_size;
+extern u32 board_number;
 
 void setup_processor(void);
 
diff --git a/arch/avr32/include/asm/types.h b/arch/avr32/include/asm/types.h
index 9cefda6f534a..72667a3b1af7 100644
--- a/arch/avr32/include/asm/types.h
+++ b/arch/avr32/include/asm/types.h
@@ -23,14 +23,6 @@ typedef unsigned short umode_t;
 
 #define BITS_PER_LONG 32
 
-#ifndef __ASSEMBLY__
-
-/* Dma addresses are 32-bits wide.  */
-
-typedef u32 dma_addr_t;
-
-#endif /* __ASSEMBLY__ */
-
 #endif /* __KERNEL__ */
 
 
diff --git a/arch/avr32/kernel/avr32_ksyms.c b/arch/avr32/kernel/avr32_ksyms.c
index 11e310c567a9..d93ead02daed 100644
--- a/arch/avr32/kernel/avr32_ksyms.c
+++ b/arch/avr32/kernel/avr32_ksyms.c
@@ -58,8 +58,8 @@ EXPORT_SYMBOL(find_first_zero_bit);
 EXPORT_SYMBOL(find_next_zero_bit);
 EXPORT_SYMBOL(find_first_bit);
 EXPORT_SYMBOL(find_next_bit);
-EXPORT_SYMBOL(generic_find_next_le_bit);
-EXPORT_SYMBOL(generic_find_next_zero_le_bit);
+EXPORT_SYMBOL(find_next_bit_le);
+EXPORT_SYMBOL(find_next_zero_bit_le);
 
 /* I/O primitives (lib/io-*.S) */
 EXPORT_SYMBOL(__raw_readsb);
diff --git a/arch/avr32/kernel/irq.c b/arch/avr32/kernel/irq.c
index 9604f7758f9a..bc3aa18293df 100644
--- a/arch/avr32/kernel/irq.c
+++ b/arch/avr32/kernel/irq.c
@@ -26,40 +26,3 @@ void __weak nmi_disable(void)
 {
 
 }
-
-#ifdef CONFIG_PROC_FS
-int show_interrupts(struct seq_file *p, void *v)
-{
-	int i = *(loff_t *)v, cpu;
-	struct irqaction *action;
-	unsigned long flags;
-
-	if (i == 0) {
-		seq_puts(p, "           ");
-		for_each_online_cpu(cpu)
-			seq_printf(p, "CPU%d       ", cpu);
-		seq_putc(p, '\n');
-	}
-
-	if (i < NR_IRQS) {
-		raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
-		action = irq_desc[i].action;
-		if (!action)
-			goto unlock;
-
-		seq_printf(p, "%3d: ", i);
-		for_each_online_cpu(cpu)
-			seq_printf(p, "%10u ", kstat_irqs_cpu(i, cpu));
-		seq_printf(p, " %8s", irq_desc[i].chip->name ? : "-");
-		seq_printf(p, "  %s", action->name);
-		for (action = action->next; action; action = action->next)
-			seq_printf(p, ", %s", action->name);
-
-		seq_putc(p, '\n');
-	unlock:
-		raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
-	}
-
-	return 0;
-}
-#endif
diff --git a/arch/avr32/kernel/setup.c b/arch/avr32/kernel/setup.c
index 5c7083916c33..bb0974cce4ac 100644
--- a/arch/avr32/kernel/setup.c
+++ b/arch/avr32/kernel/setup.c
@@ -391,6 +391,21 @@ static int __init parse_tag_clock(struct tag *tag)
 __tagtable(ATAG_CLOCK, parse_tag_clock);
 
 /*
+ * The board_number correspond to the bd->bi_board_number in U-Boot. This
+ * parameter is only available during initialisation and can be used in some
+ * kind of board identification.
+ */
+u32 __initdata board_number;
+
+static int __init parse_tag_boardinfo(struct tag *tag)
+{
+	board_number = tag->u.boardinfo.board_number;
+
+	return 0;
+}
+__tagtable(ATAG_BOARDINFO, parse_tag_boardinfo);
+
+/*
  * Scan the tag table for this tag, and call its parse function. The
  * tag table is built by the linker from all the __tagtable
  * declarations.
diff --git a/arch/avr32/kernel/traps.c b/arch/avr32/kernel/traps.c
index b91b2044af9c..7aa25756412f 100644
--- a/arch/avr32/kernel/traps.c
+++ b/arch/avr32/kernel/traps.c
@@ -95,28 +95,6 @@ void _exception(long signr, struct pt_regs *regs, int code,
 	info.si_code = code;
 	info.si_addr = (void __user *)addr;
 	force_sig_info(signr, &info, current);
-
-	/*
-	 * Init gets no signals that it doesn't have a handler for.
-	 * That's all very well, but if it has caused a synchronous
-	 * exception and we ignore the resulting signal, it will just
-	 * generate the same exception over and over again and we get
-	 * nowhere.  Better to kill it and let the kernel panic.
-	 */
-	if (is_global_init(current)) {
-		__sighandler_t handler;
-
-		spin_lock_irq(&current->sighand->siglock);
-		handler = current->sighand->action[signr-1].sa.sa_handler;
-		spin_unlock_irq(&current->sighand->siglock);
-		if (handler == SIG_DFL) {
-			/* init has generated a synchronous exception
-			   and it doesn't have a handler for the signal */
-			printk(KERN_CRIT "init has generated signal %ld "
-			       "but has no handler for it\n", signr);
-			do_exit(signr);
-		}
-	}
 }
 
 asmlinkage void do_nmi(unsigned long ecr, struct pt_regs *regs)
diff --git a/arch/avr32/lib/findbit.S b/arch/avr32/lib/findbit.S
index 997b33b2288a..b93586460be6 100644
--- a/arch/avr32/lib/findbit.S
+++ b/arch/avr32/lib/findbit.S
@@ -123,7 +123,7 @@ ENTRY(find_next_bit)
 	brgt	1b
 	retal	r11
 
-ENTRY(generic_find_next_le_bit)
+ENTRY(find_next_bit_le)
 	lsr	r8, r10, 5
 	sub	r9, r11, r10
 	retle	r11
@@ -153,7 +153,7 @@ ENTRY(generic_find_next_le_bit)
 	brgt	1b
 	retal	r11
 
-ENTRY(generic_find_next_zero_le_bit)
+ENTRY(find_next_zero_bit_le)
 	lsr	r8, r10, 5
 	sub	r9, r11, r10
 	retle	r11
diff --git a/arch/avr32/mach-at32ap/at32ap700x.c b/arch/avr32/mach-at32ap/at32ap700x.c
index e67c99945428..bfc9d071db9b 100644
--- a/arch/avr32/mach-at32ap/at32ap700x.c
+++ b/arch/avr32/mach-at32ap/at32ap700x.c
@@ -2048,6 +2048,11 @@ at32_add_device_ac97c(unsigned int id, struct ac97c_platform_data *data,
 		rx_dws->reg_width = DW_DMA_SLAVE_WIDTH_16BIT;
 		rx_dws->cfg_hi = DWC_CFGH_SRC_PER(3);
 		rx_dws->cfg_lo &= ~(DWC_CFGL_HS_DST_POL | DWC_CFGL_HS_SRC_POL);
+		rx_dws->src_master = 0;
+		rx_dws->dst_master = 1;
+		rx_dws->src_msize = DW_DMA_MSIZE_1;
+		rx_dws->dst_msize = DW_DMA_MSIZE_1;
+		rx_dws->fc = DW_DMA_FC_D_P2M;
 	}
 
 	/* Check if DMA slave interface for playback should be configured. */
@@ -2056,6 +2061,11 @@ at32_add_device_ac97c(unsigned int id, struct ac97c_platform_data *data,
 		tx_dws->reg_width = DW_DMA_SLAVE_WIDTH_16BIT;
 		tx_dws->cfg_hi = DWC_CFGH_DST_PER(4);
 		tx_dws->cfg_lo &= ~(DWC_CFGL_HS_DST_POL | DWC_CFGL_HS_SRC_POL);
+		tx_dws->src_master = 0;
+		tx_dws->dst_master = 1;
+		tx_dws->src_msize = DW_DMA_MSIZE_1;
+		tx_dws->dst_msize = DW_DMA_MSIZE_1;
+		tx_dws->fc = DW_DMA_FC_D_M2P;
 	}
 
 	if (platform_device_add_data(pdev, data,
@@ -2128,6 +2138,11 @@ at32_add_device_abdac(unsigned int id, struct atmel_abdac_pdata *data)
 	dws->reg_width = DW_DMA_SLAVE_WIDTH_32BIT;
 	dws->cfg_hi = DWC_CFGH_DST_PER(2);
 	dws->cfg_lo &= ~(DWC_CFGL_HS_DST_POL | DWC_CFGL_HS_SRC_POL);
+	dws->src_master = 0;
+	dws->dst_master = 1;
+	dws->src_msize = DW_DMA_MSIZE_1;
+	dws->dst_msize = DW_DMA_MSIZE_1;
+	dws->fc = DW_DMA_FC_D_M2P;
 
 	if (platform_device_add_data(pdev, data,
 				sizeof(struct atmel_abdac_pdata)))
diff --git a/arch/avr32/mach-at32ap/clock.c b/arch/avr32/mach-at32ap/clock.c
index 442f08c5e641..86925fd6ea5b 100644
--- a/arch/avr32/mach-at32ap/clock.c
+++ b/arch/avr32/mach-at32ap/clock.c
@@ -35,22 +35,30 @@ void at32_clk_register(struct clk *clk)
 	spin_unlock(&clk_list_lock);
 }
 
-struct clk *clk_get(struct device *dev, const char *id)
+static struct clk *__clk_get(struct device *dev, const char *id)
 {
 	struct clk *clk;
 
-	spin_lock(&clk_list_lock);
-
 	list_for_each_entry(clk, &at32_clock_list, list) {
 		if (clk->dev == dev && strcmp(id, clk->name) == 0) {
-			spin_unlock(&clk_list_lock);
 			return clk;
 		}
 	}
 
-	spin_unlock(&clk_list_lock);
 	return ERR_PTR(-ENOENT);
 }
+
+struct clk *clk_get(struct device *dev, const char *id)
+{
+	struct clk *clk;
+
+	spin_lock(&clk_list_lock);
+	clk = __clk_get(dev, id);
+	spin_unlock(&clk_list_lock);
+
+	return clk;
+}
+
 EXPORT_SYMBOL(clk_get);
 
 void clk_put(struct clk *clk)
@@ -257,15 +265,15 @@ static int clk_show(struct seq_file *s, void *unused)
 	spin_lock(&clk_list_lock);
 
 	/* show clock tree as derived from the three oscillators */
-	clk = clk_get(NULL, "osc32k");
+	clk = __clk_get(NULL, "osc32k");
 	dump_clock(clk, &r);
 	clk_put(clk);
 
-	clk = clk_get(NULL, "osc0");
+	clk = __clk_get(NULL, "osc0");
 	dump_clock(clk, &r);
 	clk_put(clk);
 
-	clk = clk_get(NULL, "osc1");
+	clk = __clk_get(NULL, "osc1");
 	dump_clock(clk, &r);
 	clk_put(clk);
 
diff --git a/arch/avr32/mach-at32ap/extint.c b/arch/avr32/mach-at32ap/extint.c
index e9d12058ffd3..fbc2aeaebddb 100644
--- a/arch/avr32/mach-at32ap/extint.c
+++ b/arch/avr32/mach-at32ap/extint.c
@@ -61,45 +61,42 @@ struct eic {
 static struct eic *nmi_eic;
 static bool nmi_enabled;
 
-static void eic_ack_irq(unsigned int irq)
+static void eic_ack_irq(struct irq_data *d)
 {
-	struct eic *eic = get_irq_chip_data(irq);
-	eic_writel(eic, ICR, 1 << (irq - eic->first_irq));
+	struct eic *eic = irq_data_get_irq_chip_data(d);
+	eic_writel(eic, ICR, 1 << (d->irq - eic->first_irq));
 }
 
-static void eic_mask_irq(unsigned int irq)
+static void eic_mask_irq(struct irq_data *d)
 {
-	struct eic *eic = get_irq_chip_data(irq);
-	eic_writel(eic, IDR, 1 << (irq - eic->first_irq));
+	struct eic *eic = irq_data_get_irq_chip_data(d);
+	eic_writel(eic, IDR, 1 << (d->irq - eic->first_irq));
 }
 
-static void eic_mask_ack_irq(unsigned int irq)
+static void eic_mask_ack_irq(struct irq_data *d)
 {
-	struct eic *eic = get_irq_chip_data(irq);
-	eic_writel(eic, ICR, 1 << (irq - eic->first_irq));
-	eic_writel(eic, IDR, 1 << (irq - eic->first_irq));
+	struct eic *eic = irq_data_get_irq_chip_data(d);
+	eic_writel(eic, ICR, 1 << (d->irq - eic->first_irq));
+	eic_writel(eic, IDR, 1 << (d->irq - eic->first_irq));
 }
 
-static void eic_unmask_irq(unsigned int irq)
+static void eic_unmask_irq(struct irq_data *d)
 {
-	struct eic *eic = get_irq_chip_data(irq);
-	eic_writel(eic, IER, 1 << (irq - eic->first_irq));
+	struct eic *eic = irq_data_get_irq_chip_data(d);
+	eic_writel(eic, IER, 1 << (d->irq - eic->first_irq));
 }
 
-static int eic_set_irq_type(unsigned int irq, unsigned int flow_type)
+static int eic_set_irq_type(struct irq_data *d, unsigned int flow_type)
 {
-	struct eic *eic = get_irq_chip_data(irq);
-	struct irq_desc *desc;
+	struct eic *eic = irq_data_get_irq_chip_data(d);
+	unsigned int irq = d->irq;
 	unsigned int i = irq - eic->first_irq;
 	u32 mode, edge, level;
-	int ret = 0;
 
 	flow_type &= IRQ_TYPE_SENSE_MASK;
 	if (flow_type == IRQ_TYPE_NONE)
 		flow_type = IRQ_TYPE_LEVEL_LOW;
 
-	desc = &irq_desc[irq];
-
 	mode = eic_readl(eic, MODE);
 	edge = eic_readl(eic, EDGE);
 	level = eic_readl(eic, LEVEL);
@@ -122,39 +119,34 @@ static int eic_set_irq_type(unsigned int irq, unsigned int flow_type)
 		edge &= ~(1 << i);
 		break;
 	default:
-		ret = -EINVAL;
-		break;
+		return -EINVAL;
 	}
 
-	if (ret == 0) {
-		eic_writel(eic, MODE, mode);
-		eic_writel(eic, EDGE, edge);
-		eic_writel(eic, LEVEL, level);
-
-		if (flow_type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH)) {
-			flow_type |= IRQ_LEVEL;
-			__set_irq_handler_unlocked(irq, handle_level_irq);
-		} else
-			__set_irq_handler_unlocked(irq, handle_edge_irq);
-		desc->status &= ~(IRQ_TYPE_SENSE_MASK | IRQ_LEVEL);
-		desc->status |= flow_type;
-	}
+	eic_writel(eic, MODE, mode);
+	eic_writel(eic, EDGE, edge);
+	eic_writel(eic, LEVEL, level);
 
-	return ret;
+	irqd_set_trigger_type(d, flow_type);
+	if (flow_type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH))
+		__irq_set_handler_locked(irq, handle_level_irq);
+	else
+		__irq_set_handler_locked(irq, handle_edge_irq);
+
+	return IRQ_SET_MASK_OK_NOCOPY;
 }
 
 static struct irq_chip eic_chip = {
 	.name		= "eic",
-	.ack		= eic_ack_irq,
-	.mask		= eic_mask_irq,
-	.mask_ack	= eic_mask_ack_irq,
-	.unmask		= eic_unmask_irq,
-	.set_type	= eic_set_irq_type,
+	.irq_ack	= eic_ack_irq,
+	.irq_mask	= eic_mask_irq,
+	.irq_mask_ack	= eic_mask_ack_irq,
+	.irq_unmask	= eic_unmask_irq,
+	.irq_set_type	= eic_set_irq_type,
 };
 
 static void demux_eic_irq(unsigned int irq, struct irq_desc *desc)
 {
-	struct eic *eic = desc->handler_data;
+	struct eic *eic = irq_desc_get_handler_data(desc);
 	unsigned long status, pending;
 	unsigned int i;
 
@@ -199,7 +191,7 @@ static int __init eic_probe(struct platform_device *pdev)
 
 	regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	int_irq = platform_get_irq(pdev, 0);
-	if (!regs || !int_irq) {
+	if (!regs || (int)int_irq <= 0) {
 		dev_dbg(&pdev->dev, "missing regs and/or irq resource\n");
 		return -ENXIO;
 	}
@@ -234,13 +226,13 @@ static int __init eic_probe(struct platform_device *pdev)
 	eic->chip = &eic_chip;
 
 	for (i = 0; i < nr_of_irqs; i++) {
-		set_irq_chip_and_handler(eic->first_irq + i, &eic_chip,
+		irq_set_chip_and_handler(eic->first_irq + i, &eic_chip,
 					 handle_level_irq);
-		set_irq_chip_data(eic->first_irq + i, eic);
+		irq_set_chip_data(eic->first_irq + i, eic);
 	}
 
-	set_irq_chained_handler(int_irq, demux_eic_irq);
-	set_irq_data(int_irq, eic);
+	irq_set_chained_handler(int_irq, demux_eic_irq);
+	irq_set_handler_data(int_irq, eic);
 
 	if (pdev->id == 0) {
 		nmi_eic = eic;
diff --git a/arch/avr32/mach-at32ap/intc.c b/arch/avr32/mach-at32ap/intc.c
index 994c4545e2b7..3e3646186c9f 100644
--- a/arch/avr32/mach-at32ap/intc.c
+++ b/arch/avr32/mach-at32ap/intc.c
@@ -12,7 +12,7 @@
 #include <linux/interrupt.h>
 #include <linux/irq.h>
 #include <linux/platform_device.h>
-#include <linux/sysdev.h>
+#include <linux/syscore_ops.h>
 
 #include <asm/io.h>
 
@@ -21,7 +21,6 @@
 struct intc {
 	void __iomem		*regs;
 	struct irq_chip		chip;
-	struct sys_device	sysdev;
 #ifdef CONFIG_PM
 	unsigned long		suspend_ipr;
 	unsigned long		saved_ipr[64];
@@ -34,12 +33,12 @@ extern struct platform_device at32_intc0_device;
  * TODO: We may be able to implement mask/unmask by setting IxM flags
  * in the status register.
  */
-static void intc_mask_irq(unsigned int irq)
+static void intc_mask_irq(struct irq_data *d)
 {
 
 }
 
-static void intc_unmask_irq(unsigned int irq)
+static void intc_unmask_irq(struct irq_data *d)
 {
 
 }
@@ -47,8 +46,8 @@ static void intc_unmask_irq(unsigned int irq)
 static struct intc intc0 = {
 	.chip = {
 		.name		= "intc",
-		.mask		= intc_mask_irq,
-		.unmask		= intc_unmask_irq,
+		.irq_mask	= intc_mask_irq,
+		.irq_unmask	= intc_unmask_irq,
 	},
 };
 
@@ -57,7 +56,6 @@ static struct intc intc0 = {
  */
 asmlinkage void do_IRQ(int level, struct pt_regs *regs)
 {
-	struct irq_desc *desc;
 	struct pt_regs *old_regs;
 	unsigned int irq;
 	unsigned long status_reg;
@@ -69,8 +67,7 @@ asmlinkage void do_IRQ(int level, struct pt_regs *regs)
 	irq_enter();
 
 	irq = intc_readl(&intc0, INTCAUSE0 - 4 * level);
-	desc = irq_desc + irq;
-	desc->handle_irq(irq, desc);
+	generic_handle_irq(irq);
 
 	/*
 	 * Clear all interrupt level masks so that we may handle
@@ -128,7 +125,7 @@ void __init init_IRQ(void)
 		intc_writel(&intc0, INTPR0 + 4 * i, offset);
 		readback = intc_readl(&intc0, INTPR0 + 4 * i);
 		if (readback == offset)
-			set_irq_chip_and_handler(i, &intc0.chip,
+			irq_set_chip_and_handler(i, &intc0.chip,
 						 handle_simple_irq);
 	}
 
@@ -148,9 +145,8 @@ void intc_set_suspend_handler(unsigned long offset)
 	intc0.suspend_ipr = offset;
 }
 
-static int intc_suspend(struct sys_device *sdev, pm_message_t state)
+static int intc_suspend(void)
 {
-	struct intc *intc = container_of(sdev, struct intc, sysdev);
 	int i;
 
 	if (unlikely(!irqs_disabled())) {
@@ -158,28 +154,25 @@ static int intc_suspend(struct sys_device *sdev, pm_message_t state)
 		return -EINVAL;
 	}
 
-	if (unlikely(!intc->suspend_ipr)) {
+	if (unlikely(!intc0.suspend_ipr)) {
 		pr_err("intc_suspend: suspend_ipr not initialized\n");
 		return -EINVAL;
 	}
 
 	for (i = 0; i < 64; i++) {
-		intc->saved_ipr[i] = intc_readl(intc, INTPR0 + 4 * i);
-		intc_writel(intc, INTPR0 + 4 * i, intc->suspend_ipr);
+		intc0.saved_ipr[i] = intc_readl(&intc0, INTPR0 + 4 * i);
+		intc_writel(&intc0, INTPR0 + 4 * i, intc0.suspend_ipr);
 	}
 
 	return 0;
 }
 
-static int intc_resume(struct sys_device *sdev)
+static int intc_resume(void)
 {
-	struct intc *intc = container_of(sdev, struct intc, sysdev);
 	int i;
 
-	WARN_ON(!irqs_disabled());
-
 	for (i = 0; i < 64; i++)
-		intc_writel(intc, INTPR0 + 4 * i, intc->saved_ipr[i]);
+		intc_writel(&intc0, INTPR0 + 4 * i, intc0.saved_ipr[i]);
 
 	return 0;
 }
@@ -188,27 +181,18 @@ static int intc_resume(struct sys_device *sdev)
 #define intc_resume	NULL
 #endif
 
-static struct sysdev_class intc_class = {
-	.name		= "intc",
+static struct syscore_ops intc_syscore_ops = {
 	.suspend	= intc_suspend,
 	.resume		= intc_resume,
 };
 
-static int __init intc_init_sysdev(void)
+static int __init intc_init_syscore(void)
 {
-	int ret;
-
-	ret = sysdev_class_register(&intc_class);
-	if (ret)
-		return ret;
+	register_syscore_ops(&intc_syscore_ops);
 
-	intc0.sysdev.id = 0;
-	intc0.sysdev.cls = &intc_class;
-	ret = sysdev_register(&intc0.sysdev);
-
-	return ret;
+	return 0;
 }
-device_initcall(intc_init_sysdev);
+device_initcall(intc_init_syscore);
 
 unsigned long intc_get_pending(unsigned int group)
 {
diff --git a/arch/avr32/mach-at32ap/pio.c b/arch/avr32/mach-at32ap/pio.c
index 09a274c9d0b7..2e0aa853a4bc 100644
--- a/arch/avr32/mach-at32ap/pio.c
+++ b/arch/avr32/mach-at32ap/pio.c
@@ -249,23 +249,23 @@ static void gpio_set(struct gpio_chip *chip, unsigned offset, int value)
 
 /* GPIO IRQ support */
 
-static void gpio_irq_mask(unsigned irq)
+static void gpio_irq_mask(struct irq_data *d)
 {
-	unsigned		gpio = irq_to_gpio(irq);
+	unsigned		gpio = irq_to_gpio(d->irq);
 	struct pio_device	*pio = &pio_dev[gpio >> 5];
 
 	pio_writel(pio, IDR, 1 << (gpio & 0x1f));
 }
 
-static void gpio_irq_unmask(unsigned irq)
+static void gpio_irq_unmask(struct irq_data *d)
 {
-	unsigned		gpio = irq_to_gpio(irq);
+	unsigned		gpio = irq_to_gpio(d->irq);
 	struct pio_device	*pio = &pio_dev[gpio >> 5];
 
 	pio_writel(pio, IER, 1 << (gpio & 0x1f));
 }
 
-static int gpio_irq_type(unsigned irq, unsigned type)
+static int gpio_irq_type(struct irq_data *d, unsigned type)
 {
 	if (type != IRQ_TYPE_EDGE_BOTH && type != IRQ_TYPE_NONE)
 		return -EINVAL;
@@ -275,20 +275,19 @@ static int gpio_irq_type(unsigned irq, unsigned type)
 
 static struct irq_chip gpio_irqchip = {
 	.name		= "gpio",
-	.mask		= gpio_irq_mask,
-	.unmask		= gpio_irq_unmask,
-	.set_type	= gpio_irq_type,
+	.irq_mask	= gpio_irq_mask,
+	.irq_unmask	= gpio_irq_unmask,
+	.irq_set_type	= gpio_irq_type,
 };
 
 static void gpio_irq_handler(unsigned irq, struct irq_desc *desc)
 {
-	struct pio_device	*pio = get_irq_chip_data(irq);
+	struct pio_device	*pio = irq_desc_get_chip_data(desc);
 	unsigned		gpio_irq;
 
-	gpio_irq = (unsigned) get_irq_data(irq);
+	gpio_irq = (unsigned) irq_get_handler_data(irq);
 	for (;;) {
 		u32		isr;
-		struct irq_desc	*d;
 
 		/* ack pending GPIO interrupts */
 		isr = pio_readl(pio, ISR) & pio_readl(pio, IMR);
@@ -301,9 +300,7 @@ static void gpio_irq_handler(unsigned irq, struct irq_desc *desc)
 			isr &= ~(1 << i);
 
 			i += gpio_irq;
-			d = &irq_desc[i];
-
-			d->handle_irq(i, d);
+			generic_handle_irq(i);
 		} while (isr);
 	}
 }
@@ -313,16 +310,16 @@ gpio_irq_setup(struct pio_device *pio, int irq, int gpio_irq)
 {
 	unsigned	i;
 
-	set_irq_chip_data(irq, pio);
-	set_irq_data(irq, (void *) gpio_irq);
+	irq_set_chip_data(irq, pio);
+	irq_set_handler_data(irq, (void *)gpio_irq);
 
 	for (i = 0; i < 32; i++, gpio_irq++) {
-		set_irq_chip_data(gpio_irq, pio);
-		set_irq_chip_and_handler(gpio_irq, &gpio_irqchip,
-				handle_simple_irq);
+		irq_set_chip_data(gpio_irq, pio);
+		irq_set_chip_and_handler(gpio_irq, &gpio_irqchip,
+					 handle_simple_irq);
 	}
 
-	set_irq_chained_handler(irq, gpio_irq_handler);
+	irq_set_chained_handler(irq, gpio_irq_handler);
 }
 
 /*--------------------------------------------------------------------------*/
diff --git a/arch/avr32/mach-at32ap/pm-at32ap700x.S b/arch/avr32/mach-at32ap/pm-at32ap700x.S
index 17503b0ed6c9..f868f4ce761b 100644
--- a/arch/avr32/mach-at32ap/pm-at32ap700x.S
+++ b/arch/avr32/mach-at32ap/pm-at32ap700x.S
@@ -53,7 +53,7 @@ cpu_enter_idle:
 	st.w	r8[TI_flags], r9
 	unmask_interrupts
 	sleep	CPU_SLEEP_IDLE
-	.size	cpu_idle_sleep, . - cpu_idle_sleep
+	.size	cpu_enter_idle, . - cpu_enter_idle
 
 	/*
 	 * Common return path for PM functions that don't run from
diff --git a/arch/avr32/mm/cache.c b/arch/avr32/mm/cache.c
index 24a74d1ca7d9..6a46ecd56cfd 100644
--- a/arch/avr32/mm/cache.c
+++ b/arch/avr32/mm/cache.c
@@ -113,7 +113,7 @@ void flush_icache_range(unsigned long start, unsigned long end)
 }
 
 /*
- * This one is called from do_no_page(), do_swap_page() and install_page().
+ * This one is called from __do_fault() and do_swap_page().
  */
 void flush_icache_page(struct vm_area_struct *vma, struct page *page)
 {