Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1554796

Re: [PATCH 03/12] PM / OPP: Return opp_table from dev_pm_opp_set_*() routines

Show all headers | View raw

On 12/07, Viresh Kumar wrote:
> Now that we have proper kernel reference infrastructure in place for OPP
> tables, use it to guarantee that the OPP table isn't freed while being
> used by the callers of dev_pm_opp_set_*() APIs.
> 
> Make them all return the pointer to the OPP table after taking its
> reference and put the reference back with dev_pm_opp_put_*() APIs.
> 
> Now that the OPP table wouldn't get freed while these routines are
> executing after dev_pm_opp_get_opp_table() is called, there is no need
> to take opp_table_lock. Drop them as well.
> 
> Remove the rcu specific comments from these routines as they aren't
> relevant anymore.
> 
> Note that prototypes of dev_pm_opp_{set|put}_regulators() were already
> updated by another patch.
> 
> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
> ---

Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>

-- 
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project

Back to linux.kernel | Previous | Next | Find similar | Unroll thread

Thread

Re: [PATCH 03/12] PM / OPP: Return opp_table from dev_pm_opp_set_*()  routines Stephen Boyd <sboyd@codeaurora.org> - 2017-01-10 00:40 +0100

csiph-web