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Use DIV_ROUND_UP to ensure selected voltage won't less than min_uV due to
integer truncation.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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For simplicity always run the DSP at the SYSCLK rate.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Turn off the ADSP memory when we aren't using it, saving a small amount of
power.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Otherwise we are getting a nil dereference if percpu_alloc kernel boot
argument is specified without value.
| [ 0.000000] BUG: unable to handle kernel NULL pointer dereference at (null)
| [ 0.000000] IP: [<ffffffff81391360>] strcmp+0x10/0x30
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
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