static u64 read_cmb(struct ccw_device *cdev, int index)
{
+ struct cmb_data *cmb_data;
+ unsigned long flags;
struct cmb *cmb;
+ int ret = 0;
u32 val;
- int ret;
- unsigned long flags;
-
- ret = cmf_cmb_copy_wait(cdev);
- if (ret < 0)
- return 0;
spin_lock_irqsave(cdev->ccwlock, flags);
- if (!cdev->private->cmb) {
- ret = 0;
+ cmb_data = cdev->private->cmb;
+ if (!cmb_data)
goto out;
- }
- cmb = ((struct cmb_data *)cdev->private->cmb)->last_block;
+ cmb = cmb_data->hw_block;
switch (index) {
case cmb_ssch_rsch_count:
ret = cmb->ssch_rsch_count;
val = cmb->device_active_only_time;
break;
default:
- ret = 0;
goto out;
}
ret = time_to_avg_nsec(val, cmb->sample_count);
return set_schib_wait(cdev, mme, 1, mba);
}
-
static u64 read_cmbe(struct ccw_device *cdev, int index)
{
- struct cmbe *cmb;
struct cmb_data *cmb_data;
- u32 val;
- int ret;
unsigned long flags;
-
- ret = cmf_cmb_copy_wait(cdev);
- if (ret < 0)
- return 0;
+ struct cmbe *cmb;
+ int ret = 0;
+ u32 val;
spin_lock_irqsave(cdev->ccwlock, flags);
cmb_data = cdev->private->cmb;
- if (!cmb_data) {
- ret = 0;
+ if (!cmb_data)
goto out;
- }
- cmb = cmb_data->last_block;
+ cmb = cmb_data->hw_block;
switch (index) {
case cmb_ssch_rsch_count:
ret = cmb->ssch_rsch_count;
val = cmb->initial_command_response_time;
break;
default:
- ret = 0;
goto out;
}
ret = time_to_avg_nsec(val, cmb->sample_count);
struct device_attribute *attr,
char *buf)
{
- struct ccw_device *cdev;
- long interval;
+ struct ccw_device *cdev = to_ccwdev(dev);
unsigned long count;
- struct cmb_data *cmb_data;
+ long interval;
- cdev = to_ccwdev(dev);
count = cmf_read(cdev, cmb_sample_count);
spin_lock_irq(cdev->ccwlock);
- cmb_data = cdev->private->cmb;
if (count) {
- interval = cmb_data->last_update -
- cdev->private->cmb_start_time;
+ interval = get_tod_clock() - cdev->private->cmb_start_time;
interval = (interval * 1000) >> 12;
interval /= count;
} else