9 files changed, 25 insertions, 8 deletions

diff --git a/arch/arm/mach-imx/irq.c b/arch/arm/mach-imx/irq.c
index eeb8a6d4a399..a5de5f1da9f2 100644
--- a/arch/arm/mach-imx/irq.c
+++ b/arch/arm/mach-imx/irq.c
@@ -127,7 +127,7 @@ static void
 imx_gpio_ack_irq(unsigned int irq)
 {
         DEBUG_IRQ("%s: irq %d\n", __FUNCTION__, irq);
-        ISR(IRQ_TO_REG(irq)) |= 1 << ((irq - IRQ_GPIOA(0)) % 32);
+        ISR(IRQ_TO_REG(irq)) = 1 << ((irq - IRQ_GPIOA(0)) % 32);
 }
 
 static void
diff --git a/arch/arm/mach-integrator/integrator_cp.c b/arch/arm/mach-integrator/integrator_cp.c
index a0724f2b24ce..9f55f5ae1044 100644
--- a/arch/arm/mach-integrator/integrator_cp.c
+++ b/arch/arm/mach-integrator/integrator_cp.c
@@ -232,8 +232,6 @@ static void __init intcp_init_irq(void)
         for (i = IRQ_PIC_START; i <= IRQ_PIC_END; i++) {
                 if (i == 11)
                         i = 22;
-                if (i == IRQ_CP_CPPLDINT)
-                        i++;
                 if (i == 29)
                         break;
                 set_irq_chip(i, &pic_chip);
@@ -259,8 +257,7 @@ static void __init intcp_init_irq(void)
                 set_irq_flags(i, IRQF_VALID | IRQF_PROBE);
         }
 
-        set_irq_handler(IRQ_CP_CPPLDINT, sic_handle_irq);
-        pic_unmask_irq(IRQ_CP_CPPLDINT);
+        set_irq_chained_handler(IRQ_CP_CPPLDINT, sic_handle_irq);
 }
 
 /*
diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
index 19b372df544a..44bcb8097c7a 100644
--- a/arch/arm/mach-pxa/spitz.c
+++ b/arch/arm/mach-pxa/spitz.c
@@ -371,6 +371,7 @@ static int spitz_ohci_init(struct device *dev)
 static struct pxaohci_platform_data spitz_ohci_platform_data = {
         .port_mode      = PMM_NPS_MODE,
         .init           = spitz_ohci_init,
+        .power_budget   = 150,
 };
 
 
diff --git a/arch/arm/mach-sa1100/neponset.c b/arch/arm/mach-sa1100/neponset.c
index 9e02bc3712a0..af6d2775cf82 100644
--- a/arch/arm/mach-sa1100/neponset.c
+++ b/arch/arm/mach-sa1100/neponset.c
@@ -59,6 +59,14 @@ neponset_irq_handler(unsigned int irq, struct irqdesc *desc, struct pt_regs *reg
                 if (irr & (IRR_ETHERNET | IRR_USAR)) {
                         desc->chip->mask(irq);
 
+                        /*
+                         * Ack the interrupt now to prevent re-entering
+                         * this neponset handler.  Again, this is safe
+                         * since we'll check the IRR register prior to
+                         * leaving.
+                         */
+                        desc->chip->ack(irq);
+
                         if (irr & IRR_ETHERNET) {
                                 d = irq_desc + IRQ_NEPONSET_SMC9196;
                                 desc_handle_irq(IRQ_NEPONSET_SMC9196, d, regs);
diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c
index 799697d32dec..cebd48a3dae4 100644
--- a/arch/arm/mach-versatile/core.c
+++ b/arch/arm/mach-versatile/core.c
@@ -112,10 +112,9 @@ void __init versatile_init_irq(void)
 {
         unsigned int i;
 
-        vic_init(VA_VIC_BASE, IRQ_VIC_START, ~(1 << 31));
+        vic_init(VA_VIC_BASE, IRQ_VIC_START, ~0);
 
-        set_irq_handler(IRQ_VICSOURCE31, sic_handle_irq);
-        enable_irq(IRQ_VICSOURCE31);
+        set_irq_chained_handler(IRQ_VICSOURCE31, sic_handle_irq);
 
         /* Do second interrupt controller */
         writel(~0, VA_SIC_BASE + SIC_IRQ_ENABLE_CLEAR);
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 959109609d85..6b87c7a5c906 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -2183,6 +2183,9 @@ static int sky2_poll(struct net_device *dev0, int *budget)
         int work_done = 0;
         u32 status = sky2_read32(hw, B0_Y2_SP_EISR);
 
+        if (!~status)
+                return 0;
+
         if (status & Y2_IS_HW_ERR)
                 sky2_hw_intr(hw);
 
@@ -3438,6 +3441,7 @@ static int sky2_suspend(struct pci_dev *pdev, pm_message_t state)
                 }
         }
 
+        pci_save_state(pdev);
         return sky2_set_power_state(hw, pci_choose_state(pdev, state));
 }
 
diff --git a/drivers/scsi/sata_mv.c b/drivers/scsi/sata_mv.c
index 9b8bca1ac1f0..f16f92a6ec0f 100644
--- a/drivers/scsi/sata_mv.c
+++ b/drivers/scsi/sata_mv.c
@@ -2035,6 +2035,7 @@ static void mv_phy_reset(struct ata_port *ap)
 static void mv_eng_timeout(struct ata_port *ap)
 {
         struct ata_queued_cmd *qc;
+        unsigned long flags;
 
         printk(KERN_ERR "ata%u: Entering mv_eng_timeout\n",ap->id);
         DPRINTK("All regs @ start of eng_timeout\n");
@@ -2046,8 +2047,10 @@ static void mv_eng_timeout(struct ata_port *ap)
                ap->host_set->mmio_base, ap, qc, qc->scsicmd,
                &qc->scsicmd->cmnd);
 
+        spin_lock_irqsave(&ap->host_set->lock, flags);
         mv_err_intr(ap, 0);
         mv_stop_and_reset(ap);
+        spin_unlock_irqrestore(&ap->host_set->lock, flags);
 
         WARN_ON(!(qc->flags & ATA_QCFLAG_ACTIVE));
         if (qc->flags & ATA_QCFLAG_ACTIVE) {
diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c
index acde8868da21..fafe7c1265b3 100644
--- a/drivers/usb/host/ohci-pxa27x.c
+++ b/drivers/usb/host/ohci-pxa27x.c
@@ -185,6 +185,9 @@ int usb_hcd_pxa27x_probe (const struct hc_driver *driver, struct platform_device
         /* Select Power Management Mode */
         pxa27x_ohci_select_pmm(inf->port_mode);
 
+        if (inf->power_budget)
+                hcd->power_budget = inf->power_budget;
+
         ohci_hcd_init(hcd_to_ohci(hcd));
 
         retval = usb_add_hcd(hcd, pdev->resource[1].start, SA_INTERRUPT);
diff --git a/include/asm-arm/arch-pxa/ohci.h b/include/asm-arm/arch-pxa/ohci.h
index 7da89569061e..e848a47128cd 100644
--- a/include/asm-arm/arch-pxa/ohci.h
+++ b/include/asm-arm/arch-pxa/ohci.h
@@ -11,6 +11,8 @@ struct pxaohci_platform_data {
 #define PMM_NPS_MODE           1
 #define PMM_GLOBAL_MODE        2
 #define PMM_PERPORT_MODE       3
+
+        int power_budget;
 };
 
 extern void pxa_set_ohci_info(struct pxaohci_platform_data *info);