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authorEduardo Valentin <eduardo.valentin@ti.com>2013-07-16 15:26:28 -0400
committerEduardo Valentin <eduardo.valentin@ti.com>2013-09-03 09:10:24 -0400
commita8892d83894bcbd2717846cfa85955152b73453f (patch)
treeae71fac048786708759736daba4ca56dc3b0f73b /drivers/thermal
parentccba4ffd9eff6120a20cc7656458ac554aec4b0c (diff)
downloadop-kernel-dev-a8892d83894bcbd2717846cfa85955152b73453f.zip
op-kernel-dev-a8892d83894bcbd2717846cfa85955152b73453f.tar.gz
thermal: thermal_core: allow binding with limits on bind_params
When registering a thermal zone device using platform information via bind_params, the thermal framework will always perform the cdev binding using the lowest and highest limits (THERMAL_NO_LIMIT). This patch changes the data structures so that it is possible to inform what are the desired limits for each trip point inside a bind_param. The way the binding is performed is also changed so that it uses the new data structure. Cc: Zhang Rui <rui.zhang@intel.com> Cc: linux-pm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
Diffstat (limited to 'drivers/thermal')
-rw-r--r--drivers/thermal/thermal_core.c19
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index 51648bf..4962a6a 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -202,14 +202,23 @@ static void print_bind_err_msg(struct thermal_zone_device *tz,
}
static void __bind(struct thermal_zone_device *tz, int mask,
- struct thermal_cooling_device *cdev)
+ struct thermal_cooling_device *cdev,
+ unsigned long *limits)
{
int i, ret;
for (i = 0; i < tz->trips; i++) {
if (mask & (1 << i)) {
+ unsigned long upper, lower;
+
+ upper = THERMAL_NO_LIMIT;
+ lower = THERMAL_NO_LIMIT;
+ if (limits) {
+ lower = limits[i * 2];
+ upper = limits[i * 2 + 1];
+ }
ret = thermal_zone_bind_cooling_device(tz, i, cdev,
- THERMAL_NO_LIMIT, THERMAL_NO_LIMIT);
+ upper, lower);
if (ret)
print_bind_err_msg(tz, cdev, ret);
}
@@ -254,7 +263,8 @@ static void bind_cdev(struct thermal_cooling_device *cdev)
if (tzp->tbp[i].match(pos, cdev))
continue;
tzp->tbp[i].cdev = cdev;
- __bind(pos, tzp->tbp[i].trip_mask, cdev);
+ __bind(pos, tzp->tbp[i].trip_mask, cdev,
+ tzp->tbp[i].binding_limits);
}
}
@@ -292,7 +302,8 @@ static void bind_tz(struct thermal_zone_device *tz)
if (tzp->tbp[i].match(tz, pos))
continue;
tzp->tbp[i].cdev = pos;
- __bind(tz, tzp->tbp[i].trip_mask, pos);
+ __bind(tz, tzp->tbp[i].trip_mask, pos,
+ tzp->tbp[i].binding_limits);
}
}
exit:
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