Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

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

arch/arm/plat-omap/include/plat/omap_device.h

+2 −2
Original line number Diff line number Diff line
@@ -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

 *

arch/arm/plat-omap/omap_device.c

+4 −4
Original line number Diff line number Diff line
@@ -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: "