diff options
Diffstat (limited to 'drivers/input/misc/hp_sdc_rtc.c')
| -rw-r--r-- | drivers/input/misc/hp_sdc_rtc.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/input/misc/hp_sdc_rtc.c b/drivers/input/misc/hp_sdc_rtc.c index ab76ea442fa5..daa9d4220331 100644 --- a/drivers/input/misc/hp_sdc_rtc.c +++ b/drivers/input/misc/hp_sdc_rtc.c @@ -35,6 +35,7 @@ #include <linux/hp_sdc.h> #include <linux/errno.h> +#include <linux/smp_lock.h> #include <linux/types.h> #include <linux/init.h> #include <linux/module.h> @@ -43,6 +44,7 @@ #include <linux/proc_fs.h> #include <linux/poll.h> #include <linux/rtc.h> +#include <linux/semaphore.h> MODULE_AUTHOR("Brian S. Julin <bri@calyx.com>"); MODULE_DESCRIPTION("HP i8042 SDC + MSM-58321 RTC Driver"); @@ -408,6 +410,7 @@ static unsigned int hp_sdc_rtc_poll(struct file *file, poll_table *wait) static int hp_sdc_rtc_open(struct inode *inode, struct file *file) { + cycle_kernel_lock(); return 0; } @@ -691,6 +694,11 @@ static int __init hp_sdc_rtc_init(void) { int ret; +#ifdef __mc68000__ + if (!MACH_IS_HP300) + return -ENODEV; +#endif + init_MUTEX(&i8042tregs); if ((ret = hp_sdc_request_timer_irq(&hp_sdc_rtc_isr))) |