From: Vivek Aknurwar Date: Fri, 13 Jan 2023 22:07:59 +0000 (-0800) Subject: interconnect: Skip call into provider if initial bw is zero X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=558ea12354882bb8250be8ea09a6658af3f7d912;p=linux.git interconnect: Skip call into provider if initial bw is zero Currently framework sets bw even when init bw requirements are zero during provider registration, thus resulting bulk of set bw to hw. Avoid this behaviour by skipping provider set bw calls if init bw is zero. Signed-off-by: Vivek Aknurwar Link: https://lore.kernel.org/r/1673647679-15216-1-git-send-email-quic_viveka@quicinc.com Signed-off-by: Georgi Djakov --- diff --git a/drivers/interconnect/core.c b/drivers/interconnect/core.c index 7a24c1444ace3..446c9d1fb4866 100644 --- a/drivers/interconnect/core.c +++ b/drivers/interconnect/core.c @@ -981,14 +981,17 @@ void icc_node_add(struct icc_node *node, struct icc_provider *provider) node->avg_bw = node->init_avg; node->peak_bw = node->init_peak; - if (provider->pre_aggregate) - provider->pre_aggregate(node); - - if (provider->aggregate) - provider->aggregate(node, 0, node->init_avg, node->init_peak, - &node->avg_bw, &node->peak_bw); + if (node->avg_bw || node->peak_bw) { + if (provider->pre_aggregate) + provider->pre_aggregate(node); + + if (provider->aggregate) + provider->aggregate(node, 0, node->init_avg, node->init_peak, + &node->avg_bw, &node->peak_bw); + if (provider->set) + provider->set(node, node); + } - provider->set(node, node); node->avg_bw = 0; node->peak_bw = 0;