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path: root/drivers/parisc/lasi.c
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Diffstat (limited to 'drivers/parisc/lasi.c')
-rw-r--r--drivers/parisc/lasi.c37
1 files changed, 19 insertions, 18 deletions
diff --git a/drivers/parisc/lasi.c b/drivers/parisc/lasi.c
index 6ef621adb63a..73c93e9cfa51 100644
--- a/drivers/parisc/lasi.c
+++ b/drivers/parisc/lasi.c
@@ -17,6 +17,7 @@
#include <linux/module.h>
#include <linux/pm.h>
#include <linux/types.h>
+#include <linux/reboot.h>
#include <asm/io.h>
#include <asm/hardware.h>
@@ -145,23 +146,19 @@ static void __init lasi_led_init(unsigned long lasi_hpa)
* 1 to PWR_ON_L in the Power Control Register
*
*/
-
-static unsigned long lasi_power_off_hpa __read_mostly;
-
-static void lasi_power_off(void)
+static int lasi_power_off(struct sys_off_data *data)
{
- unsigned long datareg;
+ struct gsc_asic *lasi = data->cb_data;
- /* calculate addr of the Power Control Register */
- datareg = lasi_power_off_hpa + 0x0000C000;
+ /* Power down the machine via Power Control Register */
+ gsc_writel(0x02, lasi->hpa + 0x0000C000);
- /* Power down the machine */
- gsc_writel(0x02, datareg);
+ /* might not be reached: */
+ return NOTIFY_DONE;
}
static int __init lasi_init_chip(struct parisc_device *dev)
{
- extern void (*chassis_power_off)(void);
struct gsc_asic *lasi;
int ret;
@@ -212,13 +209,10 @@ static int __init lasi_init_chip(struct parisc_device *dev)
gsc_fixup_irqs(dev, lasi, lasi_choose_irq);
- /* initialize the power off function */
- /* FIXME: Record the LASI HPA for the power off function. This should
- * ensure that only the first LASI (the one controlling the power off)
- * should set the HPA here */
- lasi_power_off_hpa = lasi->hpa;
- chassis_power_off = lasi_power_off;
-
+ /* register the LASI power off function */
+ register_sys_off_handler(SYS_OFF_MODE_POWER_OFF,
+ SYS_OFF_PRIO_DEFAULT, lasi_power_off, lasi);
+
return ret;
}
@@ -226,9 +220,16 @@ static struct parisc_device_id lasi_tbl[] __initdata = {
{ HPHW_BA, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x00081 },
{ 0, }
};
+MODULE_DEVICE_TABLE(parisc, lasi_tbl);
-struct parisc_driver lasi_driver __refdata = {
+static struct parisc_driver lasi_driver __refdata = {
.name = "lasi",
.id_table = lasi_tbl,
.probe = lasi_init_chip,
};
+
+static int __init lasi_init(void)
+{
+ return register_parisc_driver(&lasi_driver);
+}
+arch_initcall(lasi_init);