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-rw-r--r--arch/arm/plat-omap/omap_device.c41
1 files changed, 33 insertions, 8 deletions
diff --git a/arch/arm/plat-omap/omap_device.c b/arch/arm/plat-omap/omap_device.c
index 1e5648d3e3d8..d8c75c8f78d7 100644
--- a/arch/arm/plat-omap/omap_device.c
+++ b/arch/arm/plat-omap/omap_device.c
@@ -148,10 +148,22 @@ static int _omap_device_activate(struct omap_device *od, u8 ignore_lat)
"%llu nsec\n", od->pdev.name, od->pm_lat_level,
act_lat);
- WARN(act_lat > odpl->activate_lat, "omap_device: %s.%d: "
- "activate step %d took longer than expected (%llu > %d)\n",
- od->pdev.name, od->pdev.id, od->pm_lat_level,
- act_lat, odpl->activate_lat);
+ if (act_lat > odpl->activate_lat) {
+ odpl->activate_lat_worst = act_lat;
+ if (odpl->flags & OMAP_DEVICE_LATENCY_AUTO_ADJUST) {
+ odpl->activate_lat = act_lat;
+ pr_warning("omap_device: %s.%d: new worst case "
+ "activate latency %d: %llu\n",
+ od->pdev.name, od->pdev.id,
+ od->pm_lat_level, act_lat);
+ } else
+ pr_warning("omap_device: %s.%d: activate "
+ "latency %d higher than exptected. "
+ "(%llu > %d)\n",
+ od->pdev.name, od->pdev.id,
+ od->pm_lat_level, act_lat,
+ odpl->activate_lat);
+ }
od->dev_wakeup_lat -= odpl->activate_lat;
}
@@ -204,10 +216,23 @@ static int _omap_device_deactivate(struct omap_device *od, u8 ignore_lat)
"%llu nsec\n", od->pdev.name, od->pm_lat_level,
deact_lat);
- WARN(deact_lat > odpl->deactivate_lat, "omap_device: %s.%d: "
- "deactivate step %d took longer than expected "
- "(%llu > %d)\n", od->pdev.name, od->pdev.id,
- od->pm_lat_level, deact_lat, odpl->deactivate_lat);
+ if (deact_lat > odpl->deactivate_lat) {
+ odpl->deactivate_lat_worst = deact_lat;
+ if (odpl->flags & OMAP_DEVICE_LATENCY_AUTO_ADJUST) {
+ odpl->deactivate_lat = deact_lat;
+ pr_warning("omap_device: %s.%d: new worst case "
+ "deactivate latency %d: %llu\n",
+ od->pdev.name, od->pdev.id,
+ od->pm_lat_level, deact_lat);
+ } else
+ pr_warning("omap_device: %s.%d: deactivate "
+ "latency %d higher than exptected. "
+ "(%llu > %d)\n",
+ od->pdev.name, od->pdev.id,
+ od->pm_lat_level, deact_lat,
+ odpl->deactivate_lat);
+ }
+
od->dev_wakeup_lat += odpl->activate_lat;
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