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path: root/drivers/char/hpet.c
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Diffstat (limited to 'drivers/char/hpet.c')
-rw-r--r--drivers/char/hpet.c50
1 files changed, 8 insertions, 42 deletions
diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index 4e5431f01450..ee71376f174b 100644
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -16,6 +16,7 @@
#include <linux/ioport.h>
#include <linux/fcntl.h>
#include <linux/init.h>
+#include <linux/io-64-nonatomic-lo-hi.h>
#include <linux/poll.h>
#include <linux/mm.h>
#include <linux/proc_fs.h>
@@ -120,22 +121,6 @@ static struct hpets *hpets;
#define HPET_PERIODIC 0x0004
#define HPET_SHARED_IRQ 0x0008
-
-#ifndef readq
-static inline unsigned long long readq(void __iomem *addr)
-{
- return readl(addr) | (((unsigned long long)readl(addr + 4)) << 32LL);
-}
-#endif
-
-#ifndef writeq
-static inline void writeq(unsigned long long v, void __iomem *addr)
-{
- writel(v & 0xffffffff, addr);
- writel(v >> 32, addr + 4);
-}
-#endif
-
static irqreturn_t hpet_interrupt(int irq, void *data)
{
struct hpet_dev *devp;
@@ -268,9 +253,9 @@ static int hpet_open(struct inode *inode, struct file *file)
for (devp = NULL, hpetp = hpets; hpetp && !devp; hpetp = hpetp->hp_next)
for (i = 0; i < hpetp->hp_ntimer; i++)
- if (hpetp->hp_dev[i].hd_flags & HPET_OPEN)
+ if (hpetp->hp_dev[i].hd_flags & HPET_OPEN) {
continue;
- else {
+ } else {
devp = &hpetp->hp_dev[i];
break;
}
@@ -317,9 +302,9 @@ hpet_read(struct file *file, char __user *buf, size_t count, loff_t * ppos)
devp->hd_irqdata = 0;
spin_unlock_irq(&hpet_lock);
- if (data)
+ if (data) {
break;
- else if (file->f_flags & O_NONBLOCK) {
+ } else if (file->f_flags & O_NONBLOCK) {
retval = -EAGAIN;
goto out;
} else if (signal_pending(current)) {
@@ -746,26 +731,6 @@ static struct ctl_table hpet_table[] = {
{}
};
-static struct ctl_table hpet_root[] = {
- {
- .procname = "hpet",
- .maxlen = 0,
- .mode = 0555,
- .child = hpet_table,
- },
- {}
-};
-
-static struct ctl_table dev_root[] = {
- {
- .procname = "dev",
- .maxlen = 0,
- .mode = 0555,
- .child = hpet_root,
- },
- {}
-};
-
static struct ctl_table_header *sysctl_header;
/*
@@ -1002,7 +967,8 @@ static acpi_status hpet_resources(struct acpi_resource *res, void *data)
break;
irq = acpi_register_gsi(NULL, irqp->interrupts[i],
- irqp->triggering, irqp->polarity);
+ irqp->triggering,
+ irqp->polarity);
if (irq < 0)
return AE_ERROR;
@@ -1061,7 +1027,7 @@ static int __init hpet_init(void)
if (result < 0)
return -ENODEV;
- sysctl_header = register_sysctl_table(dev_root);
+ sysctl_header = register_sysctl("dev/hpet", hpet_table);
result = acpi_bus_register_driver(&hpet_acpi_driver);
if (result < 0) {