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authorEduardo Valentin <eduardo.valentin@ti.com>2013-06-17 21:24:24 +0800
committerZhang Rui <rui.zhang@intel.com>2013-08-15 15:49:20 +0800
commitca56caa02182044667b680154a0550ad52726584 (patch)
treef1044634952b58688c633fdddb8e838c861dfaa6 /drivers/ide/delkin_cb.c
parent178c2490b99f898efc06d1ad75cadc84f13021a6 (diff)
thermal: step_wise: return instance->target by default
In case the trend is not changing or when there is no request for throttling, it is expected that the instance would not change its requested target. This patch improves the code implementation to cover for this expected behavior. With current implementation, the instance will always reset to cdev.cur_state, even in not expected cases, like those mentioned above. This patch changes the step_wise governor implementation of get_target so that we accomplish: (a) - default value will be current instance->target, so we do not change the thermal instance target unnecessarily. (b) - the code now it is clear about what is the intention. There is a clear statement of what are the expected outcomes (c) - removal of hardcoded constants, now it is put in use the THERMAL_NO_TARGET macro. (d) - variable names are also improved so that reader can clearly understand the difference between instance cur target, next target and cdev cur_state. Cc: Zhang Rui <rui.zhang@intel.com> Cc: Durgadoss R <durgadoss.r@intel.com> Cc: linux-pm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Reported-by: Ruslan Ruslichenko <ruslan.ruslichenko@ti.com> Signed-of-by: Eduardo Valentin <eduardo.valentin@ti.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Diffstat (limited to 'drivers/ide/delkin_cb.c')
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