Messages in this thread | | | Date | Mon, 20 Oct 2014 22:40:29 +0100 | From | Russell King - ARM Linux <> | Subject | Re: [PATCH v4 1/3] power-domain: add power domain drivers for Rockchip platform |
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On Mon, Oct 20, 2014 at 02:31:17PM -0700, Kevin Hilman wrote: > "jinkun.hong" <jinkun.hong@rock-chips.com> writes: > > + spin_lock_irqsave(&pd->idle_lock, flags); > > + val = (idle) ? mask : 0; > > + regmap_update_bits(pd->regmap_pmu, REQ_OFFSET, mask, val); > > + dsb(); > > A summary of the locking and barriers here (or in changelog) would be > helpful for reviewers to verify you're protecting what you need to > protect.
It's also worth saying that the Linux specific barrier names should be used unless there is a pressing reason to use the ARM specific barrier names.
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