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path: root/drivers/char/snsc_event.c
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Diffstat (limited to 'drivers/char/snsc_event.c')
-rw-r--r--drivers/char/snsc_event.c28
1 files changed, 11 insertions, 17 deletions
diff --git a/drivers/char/snsc_event.c b/drivers/char/snsc_event.c
index d12d4f629ce..59bcefd6ec7 100644
--- a/drivers/char/snsc_event.c
+++ b/drivers/char/snsc_event.c
@@ -17,7 +17,8 @@
#include <linux/interrupt.h>
#include <linux/sched.h>
-#include <linux/byteorder/generic.h>
+#include <linux/slab.h>
+#include <asm/byteorder.h>
#include <asm/sn/sn_sal.h>
#include <asm/unaligned.h>
#include "snsc.h"
@@ -36,7 +37,7 @@ DECLARE_TASKLET(sn_sysctl_event, scdrv_event, 0);
* destination.
*/
static irqreturn_t
-scdrv_event_interrupt(int irq, void *subch_data, struct pt_regs *regs)
+scdrv_event_interrupt(int irq, void *subch_data)
{
struct subch_data_s *sd = subch_data;
unsigned long flags;
@@ -63,16 +64,13 @@ static int
scdrv_parse_event(char *event, int *src, int *code, int *esp_code, char *desc)
{
char *desc_end;
- __be32 from_buf;
/* record event source address */
- from_buf = get_unaligned((__be32 *)event);
- *src = be32_to_cpup(&from_buf);
+ *src = get_unaligned_be32(event);
event += 4; /* move on to event code */
/* record the system controller's event code */
- from_buf = get_unaligned((__be32 *)event);
- *code = be32_to_cpup(&from_buf);
+ *code = get_unaligned_be32(event);
event += 4; /* move on to event arguments */
/* how many arguments are in the packet? */
@@ -86,8 +84,7 @@ scdrv_parse_event(char *event, int *src, int *code, int *esp_code, char *desc)
/* not an integer argument, so give up */
return -1;
}
- from_buf = get_unaligned((__be32 *)event);
- *esp_code = be32_to_cpup(&from_buf);
+ *esp_code = get_unaligned_be32(event);
event += 4;
/* parse out the event description */
@@ -203,8 +200,6 @@ scdrv_dispatch_event(char *event, int len)
class = (code & EV_CLASS_MASK);
if (class == EV_CLASS_PWRD_NOTIFY || code == ENV_PWRDN_PEND) {
- struct task_struct *p;
-
if (snsc_shutting_down)
return;
@@ -220,7 +215,7 @@ scdrv_dispatch_event(char *event, int len)
" Sending SIGPWR to init...\n");
/* give a SIGPWR signal to init proc */
- kill_proc(1, SIGPWR, 0);
+ kill_cad_pid(SIGPWR, 0);
} else {
/* print to system log */
printk("%s|$(0x%x)%s\n", severity, esp_code, desc);
@@ -277,7 +272,7 @@ scdrv_event_init(struct sysctl_data_s *scd)
event_sd = kzalloc(sizeof (struct subch_data_s), GFP_KERNEL);
if (event_sd == NULL) {
printk(KERN_WARNING "%s: couldn't allocate subchannel info"
- " for event monitoring\n", __FUNCTION__);
+ " for event monitoring\n", __func__);
return;
}
@@ -291,17 +286,16 @@ scdrv_event_init(struct sysctl_data_s *scd)
if (event_sd->sd_subch < 0) {
kfree(event_sd);
printk(KERN_WARNING "%s: couldn't open event subchannel\n",
- __FUNCTION__);
+ __func__);
return;
}
/* hook event subchannel up to the system controller interrupt */
rv = request_irq(SGI_UART_VECTOR, scdrv_event_interrupt,
- IRQF_SHARED | IRQF_DISABLED,
- "system controller events", event_sd);
+ IRQF_SHARED, "system controller events", event_sd);
if (rv) {
printk(KERN_WARNING "%s: irq request failed (%d)\n",
- __FUNCTION__, rv);
+ __func__, rv);
ia64_sn_irtr_close(event_sd->sd_nasid, event_sd->sd_subch);
kfree(event_sd);
return;