Char: cyclades, clear interrupts before releasing

[safe/jmp/linux-2.6] / drivers / char / hpet.c

diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index 3808d95..0be700f 100644 (file)
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -11,7 +11,6 @@
  * published by the Free Software Foundation.
  */
 
-#include <linux/config.h>
 #include <linux/interrupt.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
@@ -22,6 +21,7 @@
 #include <linux/fcntl.h>
 #include <linux/init.h>
 #include <linux/poll.h>
+#include <linux/mm.h>
 #include <linux/proc_fs.h>
 #include <linux/spinlock.h>
 #include <linux/sysctl.h>
@@ -117,7 +117,7 @@ static inline void writeq(unsigned long long v, void __iomem *addr)
 }
 #endif
 
-static irqreturn_t hpet_interrupt(int irq, void *data, struct pt_regs *regs)
+static irqreturn_t hpet_interrupt(int irq, void *data)
 {
        struct hpet_dev *devp;
        unsigned long isr;
@@ -396,7 +396,7 @@ static int hpet_ioctl_ieon(struct hpet_dev *devp)
 
                sprintf(devp->hd_name, "hpet%d", (int)(devp - hpetp->hp_dev));
                irq_flags = devp->hd_flags & HPET_SHARED_IRQ
-                                               ? SA_SHIRQ : SA_INTERRUPT;
+                                               ? IRQF_SHARED : IRQF_DISABLED;
                if (request_irq(irq, hpet_interrupt, irq_flags,
                                devp->hd_name, (void *)devp)) {
                        printk(KERN_ERR "hpet: IRQ %d is not free\n", irq);
@@ -554,7 +554,7 @@ hpet_ioctl_common(struct hpet_dev *devp, int cmd, unsigned long arg, int kernel)
        return err;
 }
 
-static struct file_operations hpet_fops = {
+static const struct file_operations hpet_fops = {
        .owner = THIS_MODULE,
        .llseek = no_llseek,
        .read = hpet_read,
@@ -703,7 +703,7 @@ int hpet_control(struct hpet_task *tp, unsigned int cmd, unsigned long arg)
 
 static ctl_table hpet_table[] = {
        {
-        .ctl_name = 1,
+        .ctl_name = CTL_UNNUMBERED,
         .procname = "max-user-freq",
         .data = &hpet_max_freq,
         .maxlen = sizeof(int),
@@ -715,7 +715,7 @@ static ctl_table hpet_table[] = {
 
 static ctl_table hpet_root[] = {
        {
-        .ctl_name = 1,
+        .ctl_name = CTL_UNNUMBERED,
         .procname = "hpet",
         .maxlen = 0,
         .mode = 0555,
@@ -869,8 +869,8 @@ int hpet_alloc(struct hpet_data *hdp)
        do_div(temp, period);
        hpetp->hp_tick_freq = temp; /* ticks per second */
 
-       printk(KERN_INFO "hpet%d: at MMIO 0x%lx (virtual 0x%p), IRQ%s",
-               hpetp->hp_which, hdp->hd_phys_address, hdp->hd_address,
+       printk(KERN_INFO "hpet%d: at MMIO 0x%lx, IRQ%s",
+               hpetp->hp_which, hdp->hd_phys_address,
                hpetp->hp_ntimer > 1 ? "s" : "");
        for (i = 0; i < hpetp->hp_ntimer; i++)
                printk("%s %d", i > 0 ? "," : "", hdp->hd_irq[i]);
@@ -925,11 +925,8 @@ static acpi_status hpet_resources(struct acpi_resource *res, void *data)
        status = acpi_resource_to_address64(res, &addr);
 
        if (ACPI_SUCCESS(status)) {
-               unsigned long size;
-
-               size = addr.max_address_range - addr.min_address_range + 1;
-               hdp->hd_phys_address = addr.min_address_range;
-               hdp->hd_address = ioremap(addr.min_address_range, size);
+               hdp->hd_phys_address = addr.minimum;
+               hdp->hd_address = ioremap(addr.minimum, addr.address_length);
 
                if (hpet_is_known(hdp)) {
                        printk(KERN_DEBUG "%s: 0x%lx is busy\n",
@@ -937,15 +934,15 @@ static acpi_status hpet_resources(struct acpi_resource *res, void *data)
                        iounmap(hdp->hd_address);
                        return -EBUSY;
                }
-       } else if (res->id == ACPI_RSTYPE_FIXED_MEM32) {
-               struct acpi_resource_fixed_mem32 *fixmem32;
+       } else if (res->type == ACPI_RESOURCE_TYPE_FIXED_MEMORY32) {
+               struct acpi_resource_fixed_memory32 *fixmem32;
 
                fixmem32 = &res->data.fixed_memory32;
                if (!fixmem32)
                        return -EINVAL;
 
-               hdp->hd_phys_address = fixmem32->range_base_address;
-               hdp->hd_address = ioremap(fixmem32->range_base_address,
+               hdp->hd_phys_address = fixmem32->address;
+               hdp->hd_address = ioremap(fixmem32->address,
                                                HPET_RANGE_SIZE);
 
                if (hpet_is_known(hdp)) {
@@ -954,24 +951,20 @@ static acpi_status hpet_resources(struct acpi_resource *res, void *data)
                        iounmap(hdp->hd_address);
                        return -EBUSY;
                }
-       } else if (res->id == ACPI_RSTYPE_EXT_IRQ) {
-               struct acpi_resource_ext_irq *irqp;
-               int i;
+       } else if (res->type == ACPI_RESOURCE_TYPE_EXTENDED_IRQ) {
+               struct acpi_resource_extended_irq *irqp;
+               int i, irq;
 
                irqp = &res->data.extended_irq;
 
-               if (irqp->number_of_interrupts > 0) {
-                       hdp->hd_nirqs = irqp->number_of_interrupts;
-
-                       for (i = 0; i < hdp->hd_nirqs; i++) {
-                               int rc =
-                                   acpi_register_gsi(irqp->interrupts[i],
-                                                     irqp->edge_level,
-                                                     irqp->active_high_low);
-                               if (rc < 0)
-                                       return AE_ERROR;
-                               hdp->hd_irq[i] = rc;
-                       }
+               for (i = 0; i < irqp->interrupt_count; i++) {
+                       irq = acpi_register_gsi(irqp->interrupts[i],
+                                     irqp->triggering, irqp->polarity);
+                       if (irq < 0)
+                               return AE_ERROR;
+
+                       hdp->hd_irq[hdp->hd_nirqs] = irq;
+                       hdp->hd_nirqs++;
                }
        }
 
@@ -1025,7 +1018,7 @@ static int __init hpet_init(void)
        if (result < 0)
                return -ENODEV;
 
-       sysctl_header = register_sysctl_table(dev_root, 0);
+       sysctl_header = register_sysctl_table(dev_root);
 
        result = acpi_bus_register_driver(&hpet_acpi_driver);
        if (result < 0) {