Commit 0d93d8bb authored by Kevin Hilman's avatar Kevin Hilman Committed by paul
Browse files

OMAP: omap_device: track latency in nanoseconds



Rather than having to do a usecs = nsecs / NSECS_PER_USEC to
track latency in usecs, just track it in nanoseconds.
Signed-off-by: default avatarKevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: default avatarPaul Walmsley <paul@pwsan.com>
parent d048ec7a
......@@ -50,8 +50,8 @@
* @pm_lats: ptr to an omap_device_pm_latency table
* @pm_lats_cnt: ARRAY_SIZE() of what is passed to @pm_lats
* @pm_lat_level: array index of the last odpl entry executed - -1 if never
* @dev_wakeup_lat: dev wakeup latency in microseconds
* @_dev_wakeup_lat_limit: dev wakeup latency limit in usec - set by OMAP PM
* @dev_wakeup_lat: dev wakeup latency in nanoseconds
* @_dev_wakeup_lat_limit: dev wakeup latency limit in nsec - set by OMAP PM
* @_state: one of OMAP_DEVICE_STATE_* (see above)
* @flags: device flags
*
......
......@@ -142,10 +142,10 @@ static int _omap_device_activate(struct omap_device *od, u8 ignore_lat)
read_persistent_clock(&b);
c = timespec_sub(b, a);
act_lat = timespec_to_ns(&c) / NSEC_PER_USEC;
act_lat = timespec_to_ns(&c);
pr_debug("omap_device: %s: pm_lat %d: activate: elapsed time "
"%llu usec\n", od->pdev.name, od->pm_lat_level,
"%llu nsec\n", od->pdev.name, od->pm_lat_level,
act_lat);
WARN(act_lat > odpl->activate_lat, "omap_device: %s.%d: "
......@@ -198,10 +198,10 @@ static int _omap_device_deactivate(struct omap_device *od, u8 ignore_lat)
read_persistent_clock(&b);
c = timespec_sub(b, a);
deact_lat = timespec_to_ns(&c) / NSEC_PER_USEC;
deact_lat = timespec_to_ns(&c);
pr_debug("omap_device: %s: pm_lat %d: deactivate: elapsed time "
"%llu usec\n", od->pdev.name, od->pm_lat_level,
"%llu nsec\n", od->pdev.name, od->pm_lat_level,
deact_lat);
WARN(deact_lat > odpl->deactivate_lat, "omap_device: %s.%d: "
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment