#include <linux/timer.h>
#include <linux/mm.h>
#include <linux/interrupt.h>
+#include <linux/jiffies.h>
#include <linux/major.h>
#include <linux/devfs_fs_kernel.h>
#include <linux/errno.h>
#include <linux/smp_lock.h>
#include <linux/completion.h>
#include <linux/bitops.h>
+#include <linux/mutex.h>
#include <asm/byteorder.h>
#include <asm/irq.h>
int debug_level;
} idetape_tape_t;
-static DECLARE_MUTEX(idetape_ref_sem);
+static DEFINE_MUTEX(idetape_ref_mutex);
static struct class *idetape_sysfs_class;
{
struct ide_tape_obj *tape = NULL;
- down(&idetape_ref_sem);
+ mutex_lock(&idetape_ref_mutex);
tape = ide_tape_g(disk);
if (tape)
kref_get(&tape->kref);
- up(&idetape_ref_sem);
+ mutex_unlock(&idetape_ref_mutex);
return tape;
}
static void ide_tape_put(struct ide_tape_obj *tape)
{
- down(&idetape_ref_sem);
+ mutex_lock(&idetape_ref_mutex);
kref_put(&tape->kref, ide_tape_release);
- up(&idetape_ref_sem);
+ mutex_unlock(&idetape_ref_mutex);
}
/*
{
struct ide_tape_obj *tape = NULL;
- down(&idetape_ref_sem);
+ mutex_lock(&idetape_ref_mutex);
tape = idetape_devs[i];
if (tape)
kref_get(&tape->kref);
- up(&idetape_ref_sem);
+ mutex_unlock(&idetape_ref_mutex);
return tape;
}
}
if (time_after(jiffies, tape->insert_time))
tape->insert_speed = tape->insert_size / 1024 * HZ / (jiffies - tape->insert_time);
- if (jiffies - tape->avg_time >= HZ) {
+ if (time_after_eq(jiffies, tape->avg_time + HZ)) {
tape->avg_speed = tape->avg_size * HZ / (jiffies - tape->avg_time) / 1024;
tape->avg_size = 0;
tape->avg_time = jiffies;
} else {
return ide_do_reset(drive);
}
- } else if (jiffies - tape->dsc_polling_start > IDETAPE_DSC_MA_THRESHOLD)
+ } else if (time_after(jiffies, tape->dsc_polling_start + IDETAPE_DSC_MA_THRESHOLD))
tape->dsc_polling_frequency = IDETAPE_DSC_MA_SLOW;
idetape_postpone_request(drive);
return ide_stopped;
idetape_add_settings(drive);
}
-static int ide_tape_remove(struct device *dev)
+static void ide_tape_remove(ide_drive_t *drive)
{
- ide_drive_t *drive = to_ide_device(dev);
idetape_tape_t *tape = drive->driver_data;
ide_unregister_subdriver(drive, tape->driver);
ide_unregister_region(tape->disk);
ide_tape_put(tape);
-
- return 0;
}
static void ide_tape_release(struct kref *kref)
#endif
-static int ide_tape_probe(struct device *);
+static int ide_tape_probe(ide_drive_t *);
static ide_driver_t idetape_driver = {
.gen_driver = {
.owner = THIS_MODULE,
.name = "ide-tape",
.bus = &ide_bus_type,
- .probe = ide_tape_probe,
- .remove = ide_tape_remove,
},
+ .probe = ide_tape_probe,
+ .remove = ide_tape_remove,
.version = IDETAPE_VERSION,
.media = ide_tape,
.supports_dsc_overlap = 1,
.ioctl = idetape_ioctl,
};
-static int ide_tape_probe(struct device *dev)
+static int ide_tape_probe(ide_drive_t *drive)
{
- ide_drive_t *drive = to_ide_device(dev);
idetape_tape_t *tape;
struct gendisk *g;
int minor;
drive->driver_data = tape;
- down(&idetape_ref_sem);
+ mutex_lock(&idetape_ref_mutex);
for (minor = 0; idetape_devs[minor]; minor++)
;
idetape_devs[minor] = tape;
- up(&idetape_ref_sem);
+ mutex_unlock(&idetape_ref_mutex);
idetape_setup(drive, tape, minor);
class_device_create(idetape_sysfs_class, NULL,
- MKDEV(IDETAPE_MAJOR, minor), dev, "%s", tape->name);
+ MKDEV(IDETAPE_MAJOR, minor), &drive->gendev, "%s", tape->name);
class_device_create(idetape_sysfs_class, NULL,
- MKDEV(IDETAPE_MAJOR, minor + 128), dev, "n%s", tape->name);
+ MKDEV(IDETAPE_MAJOR, minor + 128), &drive->gendev, "n%s", tape->name);
devfs_mk_cdev(MKDEV(HWIF(drive)->major, minor),
S_IFCHR | S_IRUGO | S_IWUGO,
return error;
}
+MODULE_ALIAS("ide:*m-tape*");
module_init(idetape_init);
module_exit(idetape_exit);
MODULE_ALIAS_CHARDEV_MAJOR(IDETAPE_MAJOR);