On 25-07-16, 14:11, Jisheng Zhang wrote: > In dev_pm_opp_set_rate(), _find_opp_table() is called 4 times: once by > _get_opp_clk(), once by dev_pm_opp_set_rate() itself, and twice by > dev_pm_opp_find_freq_ceil(). If there are several opp_tables in the > system, three times of opp table finding is a big waste. This patch > reduced the call of _find_opp_table() to twice. > > Signed-off-by: Jisheng Zhang <jszh...@marvell.com> > --- > Since v2: > - fix gcc warnings > > Since v1: > - avoid opp_table pointer usage after the rcu_read_unlock() as pointed > out by Viresh, thus we can only reduced the call of _find_opp_table > to twice. > > drivers/base/power/opp/core.c | 31 +++++++++++++++++++------------ > 1 file changed, 19 insertions(+), 12 deletions(-)
Acked-by: Viresh Kumar <viresh.ku...@linaro.org> -- viresh
