Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6:
  parisc: add tty driver to PDC console
  drivers/parisc/iosapic.c: Remove unnecessary kzalloc cast
  parisc: remove homegrown L1_CACHE_ALIGN macro
  arch/parisc: Removing undead ifdef CONFIG_PA20
  parisc: unwind - optimise linked-list searches for modules
  parisc: change to new flag variable
  drivers/char/agp/parisc-agp.c: eliminate memory leak
  parisc: kill __do_IRQ
  parisc: convert eisa interrupts to flow handlers
  parisc: convert gsc and dino pci interrupts to flow handlers
  parisc: convert suckyio interrupts to flow handlers
  parisc: convert iosapic interrupts to proper flow handlers
  parisc: convert cpu interrupts to proper flow handlers
  parisc: lay groundwork for killing __do_IRQ
  parisc: add prlimit64 syscall
  parisc: squelch warning when using dev_get_stats

6 files changed, 53 insertions, 128 deletions

diff --git a/drivers/parisc/dino.c b/drivers/parisc/dino.c
index c542c7bb7454..d9f51485beee 100644
--- a/drivers/parisc/dino.c
+++ b/drivers/parisc/dino.c
@@ -296,10 +296,9 @@ static struct pci_port_ops dino_port_ops = {
         .outl   = dino_out32
 };
 
-static void dino_disable_irq(unsigned int irq)
+static void dino_mask_irq(unsigned int irq)
 {
-        struct irq_desc *desc = irq_to_desc(irq);
-        struct dino_device *dino_dev = desc->chip_data;
+        struct dino_device *dino_dev = get_irq_chip_data(irq);
         int local_irq = gsc_find_local_irq(irq, dino_dev->global_irq, DINO_LOCAL_IRQS);
 
         DBG(KERN_WARNING "%s(0x%p, %d)\n", __func__, dino_dev, irq);
@@ -309,10 +308,9 @@ static void dino_disable_irq(unsigned int irq)
         __raw_writel(dino_dev->imr, dino_dev->hba.base_addr+DINO_IMR);
 }
 
-static void dino_enable_irq(unsigned int irq)
+static void dino_unmask_irq(unsigned int irq)
 {
-        struct irq_desc *desc = irq_to_desc(irq);
-        struct dino_device *dino_dev = desc->chip_data;
+        struct dino_device *dino_dev = get_irq_chip_data(irq);
         int local_irq = gsc_find_local_irq(irq, dino_dev->global_irq, DINO_LOCAL_IRQS);
         u32 tmp;
 
@@ -347,20 +345,11 @@ static void dino_enable_irq(unsigned int irq)
         }
 }
 
-static unsigned int dino_startup_irq(unsigned int irq)
-{
-        dino_enable_irq(irq);
-        return 0;
-}
-
 static struct irq_chip dino_interrupt_type = {
-        .name           = "GSC-PCI",
-        .startup        = dino_startup_irq,
-        .shutdown       = dino_disable_irq,
-        .enable         = dino_enable_irq, 
-        .disable        = dino_disable_irq,
-        .ack            = no_ack_irq,
-        .end            = no_end_irq,
+        .name   = "GSC-PCI",
+        .unmask = dino_unmask_irq,
+        .mask   = dino_mask_irq,
+        .ack    = no_ack_irq,
 };
 
 
@@ -391,7 +380,7 @@ ilr_again:
                 int irq = dino_dev->global_irq[local_irq];
                 DBG(KERN_DEBUG "%s(%d, %p) mask 0x%x\n",
                         __func__, irq, intr_dev, mask);
-                __do_IRQ(irq);
+                generic_handle_irq(irq);
                 mask &= ~(1 << local_irq);
         } while (mask);
 
diff --git a/drivers/parisc/eisa.c b/drivers/parisc/eisa.c
index 46f503fb7fc5..1211974f55aa 100644
--- a/drivers/parisc/eisa.c
+++ b/drivers/parisc/eisa.c
@@ -144,7 +144,7 @@ static unsigned int eisa_irq_level __read_mostly; /* default to edge triggered *
 
 
 /* called by free irq */
-static void eisa_disable_irq(unsigned int irq)
+static void eisa_mask_irq(unsigned int irq)
 {
         unsigned long flags;
 
@@ -164,7 +164,7 @@ static void eisa_disable_irq(unsigned int irq)
 }
 
 /* called by request irq */
-static void eisa_enable_irq(unsigned int irq)
+static void eisa_unmask_irq(unsigned int irq)
 {
         unsigned long flags;
         EISA_DBG("enable irq %d\n", irq);
@@ -182,20 +182,11 @@ static void eisa_enable_irq(unsigned int irq)
         EISA_DBG("pic1 mask %02x\n", eisa_in8(0xa1));
 }
 
-static unsigned int eisa_startup_irq(unsigned int irq)
-{
-        eisa_enable_irq(irq);
-        return 0;
-}
-
 static struct irq_chip eisa_interrupt_type = {
-        .name    =      "EISA",
-        .startup =      eisa_startup_irq,
-        .shutdown =     eisa_disable_irq,
-        .enable =       eisa_enable_irq,
-        .disable =      eisa_disable_irq,
-        .ack =          no_ack_irq,
-        .end =          no_end_irq,
+        .name   =       "EISA",
+        .unmask =       eisa_unmask_irq,
+        .mask   =       eisa_mask_irq,
+        .ack    =       no_ack_irq,
 };
 
 static irqreturn_t eisa_irq(int wax_irq, void *intr_dev)
@@ -233,7 +224,7 @@ static irqreturn_t eisa_irq(int wax_irq, void *intr_dev)
         }
         spin_unlock_irqrestore(&eisa_irq_lock, flags);
 
-        __do_IRQ(irq);
+        generic_handle_irq(irq);
    
         spin_lock_irqsave(&eisa_irq_lock, flags);
         /* unmask */
@@ -346,10 +337,10 @@ static int __init eisa_probe(struct parisc_device *dev)
         }
         
         /* Reserve IRQ2 */
-        irq_to_desc(2)->action = &irq2_action;
-        
+        setup_irq(2, &irq2_action);
         for (i = 0; i < 16; i++) {
-                irq_to_desc(i)->chip = &eisa_interrupt_type;
+                set_irq_chip_and_handler(i, &eisa_interrupt_type,
+                        handle_level_irq);
         }
         
         EISA_bus = 1;
diff --git a/drivers/parisc/gsc.c b/drivers/parisc/gsc.c
index 20a1bce1a031..e605298e3aee 100644
--- a/drivers/parisc/gsc.c
+++ b/drivers/parisc/gsc.c
@@ -86,7 +86,7 @@ irqreturn_t gsc_asic_intr(int gsc_asic_irq, void *dev)
         do {
                 int local_irq = __ffs(irr);
                 unsigned int irq = gsc_asic->global_irq[local_irq];
-                __do_IRQ(irq);
+                generic_handle_irq(irq);
                 irr &= ~(1 << local_irq);
         } while (irr);
 
@@ -105,10 +105,9 @@ int gsc_find_local_irq(unsigned int irq, int *global_irqs, int limit)
         return NO_IRQ;
 }
 
-static void gsc_asic_disable_irq(unsigned int irq)
+static void gsc_asic_mask_irq(unsigned int irq)
 {
-        struct irq_desc *desc = irq_to_desc(irq);
-        struct gsc_asic *irq_dev = desc->chip_data;
+        struct gsc_asic *irq_dev = get_irq_chip_data(irq);
         int local_irq = gsc_find_local_irq(irq, irq_dev->global_irq, 32);
         u32 imr;
 
@@ -121,10 +120,9 @@ static void gsc_asic_disable_irq(unsigned int irq)
         gsc_writel(imr, irq_dev->hpa + OFFSET_IMR);
 }
 
-static void gsc_asic_enable_irq(unsigned int irq)
+static void gsc_asic_unmask_irq(unsigned int irq)
 {
-        struct irq_desc *desc = irq_to_desc(irq);
-        struct gsc_asic *irq_dev = desc->chip_data;
+        struct gsc_asic *irq_dev = get_irq_chip_data(irq);
         int local_irq = gsc_find_local_irq(irq, irq_dev->global_irq, 32);
         u32 imr;
 
@@ -141,33 +139,23 @@ static void gsc_asic_enable_irq(unsigned int irq)
          */
 }
 
-static unsigned int gsc_asic_startup_irq(unsigned int irq)
-{
-        gsc_asic_enable_irq(irq);
-        return 0;
-}
-
 static struct irq_chip gsc_asic_interrupt_type = {
-        .name    =      "GSC-ASIC",
-        .startup =      gsc_asic_startup_irq,
-        .shutdown =     gsc_asic_disable_irq,
-        .enable =       gsc_asic_enable_irq,
-        .disable =      gsc_asic_disable_irq,
-        .ack =          no_ack_irq,
-        .end =          no_end_irq,
+        .name   =       "GSC-ASIC",
+        .unmask =       gsc_asic_unmask_irq,
+        .mask   =       gsc_asic_mask_irq,
+        .ack    =       no_ack_irq,
 };
 
 int gsc_assign_irq(struct irq_chip *type, void *data)
 {
         static int irq = GSC_IRQ_BASE;
-        struct irq_desc *desc;
 
         if (irq > GSC_IRQ_MAX)
                 return NO_IRQ;
 
-        desc = irq_to_desc(irq);
-        desc->chip = type;
-        desc->chip_data = data;
+        set_irq_chip_and_handler(irq, type, handle_level_irq);
+        set_irq_chip_data(irq, data);
+
         return irq++;
 }
 
diff --git a/drivers/parisc/iosapic.c b/drivers/parisc/iosapic.c
index c76836727cae..a3120a09c43d 100644
--- a/drivers/parisc/iosapic.c
+++ b/drivers/parisc/iosapic.c
@@ -615,17 +615,10 @@ iosapic_set_irt_data( struct vector_info *vi, u32 *dp0, u32 *dp1)
 }
 
 
-static struct vector_info *iosapic_get_vector(unsigned int irq)
-{
-        struct irq_desc *desc = irq_to_desc(irq);
-
-        return desc->chip_data;
-}
-
-static void iosapic_disable_irq(unsigned int irq)
+static void iosapic_mask_irq(unsigned int irq)
 {
         unsigned long flags;
-        struct vector_info *vi = iosapic_get_vector(irq);
+        struct vector_info *vi = get_irq_chip_data(irq);
         u32 d0, d1;
 
         spin_lock_irqsave(&iosapic_lock, flags);
@@ -635,9 +628,9 @@ static void iosapic_disable_irq(unsigned int irq)
         spin_unlock_irqrestore(&iosapic_lock, flags);
 }
 
-static void iosapic_enable_irq(unsigned int irq)
+static void iosapic_unmask_irq(unsigned int irq)
 {
-        struct vector_info *vi = iosapic_get_vector(irq);
+        struct vector_info *vi = get_irq_chip_data(irq);
         u32 d0, d1;
 
         /* data is initialized by fixup_irq */
@@ -676,36 +669,14 @@ printk("\n");
         DBG(KERN_DEBUG "enable_irq(%d): eoi(%p, 0x%x)\n", irq,
                         vi->eoi_addr, vi->eoi_data);
         iosapic_eoi(vi->eoi_addr, vi->eoi_data);
-}
-
-/*
- * PARISC only supports PCI devices below I/O SAPIC.
- * PCI only supports level triggered in order to share IRQ lines.
- * ergo I/O SAPIC must always issue EOI on parisc.
- *
- * i386/ia64 support ISA devices and have to deal with
- * edge-triggered interrupts too.
- */
-static void iosapic_end_irq(unsigned int irq)
-{
-        struct vector_info *vi = iosapic_get_vector(irq);
-        DBG(KERN_DEBUG "end_irq(%d): eoi(%p, 0x%x)\n", irq,
-                        vi->eoi_addr, vi->eoi_data);
-        iosapic_eoi(vi->eoi_addr, vi->eoi_data);
-        cpu_end_irq(irq);
-}
-
-static unsigned int iosapic_startup_irq(unsigned int irq)
-{
-        iosapic_enable_irq(irq);
-        return 0;
+        cpu_eoi_irq(irq);
 }
 
 #ifdef CONFIG_SMP
 static int iosapic_set_affinity_irq(unsigned int irq,
                                      const struct cpumask *dest)
 {
-        struct vector_info *vi = iosapic_get_vector(irq);
+        struct vector_info *vi = get_irq_chip_data(irq);
         u32 d0, d1, dummy_d0;
         unsigned long flags;
         int dest_cpu;
@@ -730,13 +701,10 @@ static int iosapic_set_affinity_irq(unsigned int irq,
 #endif
 
 static struct irq_chip iosapic_interrupt_type = {
-        .name    =      "IO-SAPIC-level",
-        .startup =      iosapic_startup_irq,
-        .shutdown =     iosapic_disable_irq,
-        .enable =       iosapic_enable_irq,
-        .disable =      iosapic_disable_irq,
-        .ack =          cpu_ack_irq,
-        .end =          iosapic_end_irq,
+        .name   =       "IO-SAPIC-level",
+        .unmask =       iosapic_unmask_irq,
+        .mask   =       iosapic_mask_irq,
+        .ack    =       cpu_ack_irq,
 #ifdef CONFIG_SMP
         .set_affinity = iosapic_set_affinity_irq,
 #endif
@@ -891,8 +859,8 @@ void *iosapic_register(unsigned long hpa)
         isi->isi_version = iosapic_rd_version(isi);
         isi->isi_num_vectors = IOSAPIC_IRDT_MAX_ENTRY(isi->isi_version) + 1;
 
-        vip = isi->isi_vector = (struct vector_info *)
-                kzalloc(sizeof(struct vector_info) * isi->isi_num_vectors, GFP_KERNEL);
+        vip = isi->isi_vector = kcalloc(isi->isi_num_vectors,
+                                        sizeof(struct vector_info), GFP_KERNEL);
         if (vip == NULL) {
                 kfree(isi);
                 return NULL;
diff --git a/drivers/parisc/led.c b/drivers/parisc/led.c
index c5c14dd3734f..2350e8a86eef 100644
--- a/drivers/parisc/led.c
+++ b/drivers/parisc/led.c
@@ -346,8 +346,8 @@ static __inline__ int led_get_net_activity(void)
 #ifndef CONFIG_NET
         return 0;
 #else
-        static unsigned long rx_total_last, tx_total_last;
-        unsigned long rx_total, tx_total;
+        static u64 rx_total_last, tx_total_last;
+        u64 rx_total, tx_total;
         struct net_device *dev;
         int retval;
 
@@ -356,7 +356,7 @@ static __inline__ int led_get_net_activity(void)
         /* we are running as a workqueue task, so we can use an RCU lookup */
         rcu_read_lock();
         for_each_netdev_rcu(&init_net, dev) {
-            const struct net_device_stats *stats;
+            const struct rtnl_link_stats64 *stats;
             struct rtnl_link_stats64 temp;
             struct in_device *in_dev = __in_dev_get_rcu(dev);
             if (!in_dev || !in_dev->ifa_list)
diff --git a/drivers/parisc/superio.c b/drivers/parisc/superio.c
index f7806d81f1e0..0846dafdfff1 100644
--- a/drivers/parisc/superio.c
+++ b/drivers/parisc/superio.c
@@ -139,7 +139,7 @@ superio_interrupt(int parent_irq, void *devp)
         }
 
         /* Call the appropriate device's interrupt */
-        __do_IRQ(local_irq);
+        generic_handle_irq(local_irq);
 
         /* set EOI - forces a new interrupt if a lower priority device
          * still needs service.
@@ -286,7 +286,7 @@ superio_init(struct pci_dev *pcidev)
 }
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_87560_LIO, superio_init);
 
-static void superio_disable_irq(unsigned int irq)
+static void superio_mask_irq(unsigned int irq)
 {
         u8 r8;
 
@@ -303,7 +303,7 @@ static void superio_disable_irq(unsigned int irq)
         outb (r8,IC_PIC1+1);
 }
 
-static void superio_enable_irq(unsigned int irq)
+static void superio_unmask_irq(unsigned int irq)
 {
         u8 r8;
 
@@ -319,20 +319,11 @@ static void superio_enable_irq(unsigned int irq)
         outb (r8,IC_PIC1+1);
 }
 
-static unsigned int superio_startup_irq(unsigned int irq)
-{
-        superio_enable_irq(irq);
-        return 0;
-}
-
 static struct irq_chip superio_interrupt_type = {
-        .name    =      SUPERIO,
-        .startup =      superio_startup_irq,
-        .shutdown =     superio_disable_irq,
-        .enable =       superio_enable_irq,
-        .disable =      superio_disable_irq,
+        .name   =       SUPERIO,
+        .unmask =       superio_unmask_irq,
+        .mask   =       superio_mask_irq,
         .ack =          no_ack_irq,
-        .end =          no_end_irq,
 };
 
 #ifdef DEBUG_SUPERIO_INIT
@@ -363,9 +354,7 @@ int superio_fixup_irq(struct pci_dev *pcidev)
 #endif
 
         for (i = 0; i < 16; i++) {
-                struct irq_desc *desc = irq_to_desc(i);
-
-                desc->chip = &superio_interrupt_type;
+                set_irq_chip_and_handler(i, &superio_interrupt_type, handle_level_irq);
         }
 
         /*