diff --git a/arch/arm/mach-dove/include/mach/io.h b/arch/arm/mach-dove/include/mach/io.h
index 3b3e4721ce2e..eb4936ff90ad 100644
--- a/arch/arm/mach-dove/include/mach/io.h
+++ b/arch/arm/mach-dove/include/mach/io.h
@@ -13,8 +13,8 @@
 
 #define IO_SPACE_LIMIT		0xffffffff
 
-#define __io(a)  ((void __iomem *)(((a) - DOVE_PCIE0_IO_PHYS_BASE) +\
-				   DOVE_PCIE0_IO_VIRT_BASE))
-#define __mem_pci(a)		(a)
+#define __io(a)  	((void __iomem *)(((a) - DOVE_PCIE0_IO_BUS_BASE) + \
+						 DOVE_PCIE0_IO_VIRT_BASE))
+#define __mem_pci(a)	(a)
 
 #endif
diff --git a/arch/arm/mach-kirkwood/include/mach/kirkwood.h b/arch/arm/mach-kirkwood/include/mach/kirkwood.h
index 93fc2ec95e76..6e924b398919 100644
--- a/arch/arm/mach-kirkwood/include/mach/kirkwood.h
+++ b/arch/arm/mach-kirkwood/include/mach/kirkwood.h
@@ -38,7 +38,7 @@
 
 #define KIRKWOOD_PCIE1_IO_PHYS_BASE	0xf3000000
 #define KIRKWOOD_PCIE1_IO_VIRT_BASE	0xfef00000
-#define KIRKWOOD_PCIE1_IO_BUS_BASE	0x00000000
+#define KIRKWOOD_PCIE1_IO_BUS_BASE	0x00100000
 #define KIRKWOOD_PCIE1_IO_SIZE		SZ_1M
 
 #define KIRKWOOD_PCIE_IO_PHYS_BASE	0xf2000000
diff --git a/arch/arm/mach-kirkwood/pcie.c b/arch/arm/mach-kirkwood/pcie.c
index 55e7f00836b7..513ad3102d7c 100644
--- a/arch/arm/mach-kirkwood/pcie.c
+++ b/arch/arm/mach-kirkwood/pcie.c
@@ -117,7 +117,7 @@ static void __init pcie0_ioresources_init(struct pcie_port *pp)
 	 * IORESOURCE_IO
 	 */
 	pp->res[0].name = "PCIe 0 I/O Space";
-	pp->res[0].start = KIRKWOOD_PCIE_IO_PHYS_BASE;
+	pp->res[0].start = KIRKWOOD_PCIE_IO_BUS_BASE;
 	pp->res[0].end = pp->res[0].start + KIRKWOOD_PCIE_IO_SIZE - 1;
 	pp->res[0].flags = IORESOURCE_IO;
 
@@ -139,7 +139,7 @@ static void __init pcie1_ioresources_init(struct pcie_port *pp)
 	 * IORESOURCE_IO
 	 */
 	pp->res[0].name = "PCIe 1 I/O Space";
-	pp->res[0].start = KIRKWOOD_PCIE1_IO_PHYS_BASE;
+	pp->res[0].start = KIRKWOOD_PCIE1_IO_BUS_BASE;
 	pp->res[0].end = pp->res[0].start + KIRKWOOD_PCIE1_IO_SIZE - 1;
 	pp->res[0].flags = IORESOURCE_IO;
 
diff --git a/drivers/dma/mv_xor.c b/drivers/dma/mv_xor.c
index 86c5ae9fde34..411d5bf50fc4 100644
--- a/drivers/dma/mv_xor.c
+++ b/drivers/dma/mv_xor.c
@@ -162,7 +162,7 @@ static int mv_is_err_intr(u32 intr_cause)
 
 static void mv_xor_device_clear_eoc_cause(struct mv_xor_chan *chan)
 {
-	u32 val = (1 << (1 + (chan->idx * 16)));
+	u32 val = ~(1 << (chan->idx * 16));
 	dev_dbg(chan->device->common.dev, "%s, val 0x%08x\n", __func__, val);
 	__raw_writel(val, XOR_INTR_CAUSE(chan));
 }
diff --git a/drivers/leds/leds-ns2.c b/drivers/leds/leds-ns2.c
index 74dce4ba0262..350eb34f049c 100644
--- a/drivers/leds/leds-ns2.c
+++ b/drivers/leds/leds-ns2.c
@@ -81,7 +81,7 @@ static int ns2_led_get_mode(struct ns2_led_data *led_dat,
 	int cmd_level;
 	int slow_level;
 
-	read_lock(&led_dat->rw_lock);
+	read_lock_irq(&led_dat->rw_lock);
 
 	cmd_level = gpio_get_value(led_dat->cmd);
 	slow_level = gpio_get_value(led_dat->slow);
@@ -95,7 +95,7 @@ static int ns2_led_get_mode(struct ns2_led_data *led_dat,
 		}
 	}
 
-	read_unlock(&led_dat->rw_lock);
+	read_unlock_irq(&led_dat->rw_lock);
 
 	return ret;
 }
@@ -104,8 +104,9 @@ static void ns2_led_set_mode(struct ns2_led_data *led_dat,
 			     enum ns2_led_modes mode)
 {
 	int i;
+	unsigned long flags;
 
-	write_lock(&led_dat->rw_lock);
+	write_lock_irqsave(&led_dat->rw_lock, flags);
 
 	for (i = 0; i < ARRAY_SIZE(ns2_led_modval); i++) {
 		if (mode == ns2_led_modval[i].mode) {
@@ -116,7 +117,7 @@ static void ns2_led_set_mode(struct ns2_led_data *led_dat,
 		}
 	}
 
-	write_unlock(&led_dat->rw_lock);
+	write_unlock_irqrestore(&led_dat->rw_lock, flags);
 }
 
 static void ns2_led_set(struct led_classdev *led_cdev,