linux-kernel - [PATCH 5.13 156/175] interconnect: Zero initial BW after sync-state

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Message-Id: <20210810173006.108102440@linuxfoundation.org>
Date:   Tue, 10 Aug 2021 19:31:04 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Mike Tipton <mdtipton@...eaurora.org>,
        Georgi Djakov <djakov@...nel.org>
Subject: [PATCH 5.13 156/175] interconnect: Zero initial BW after sync-state

From: Mike Tipton <mdtipton@...eaurora.org>

commit 456a9dace42ecfcec7ce6e17c18d1985d628dcd0 upstream.

The initial BW values may be used by providers to enforce floors. Zero
these values after sync-state so that providers know when to stop
enforcing them.

Fixes: b1d681d8d324 ("interconnect: Add sync state support")
Signed-off-by: Mike Tipton <mdtipton@...eaurora.org>
Link: https://lore.kernel.org/r/20210721175432.2119-2-mdtipton@codeaurora.org
Signed-off-by: Georgi Djakov <djakov@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/interconnect/core.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/interconnect/core.c
+++ b/drivers/interconnect/core.c
@@ -1106,6 +1106,8 @@ void icc_sync_state(struct device *dev)
 		dev_dbg(p->dev, "interconnect provider is in synced state\n");
 		list_for_each_entry(n, &p->nodes, node_list) {
 			if (n->init_avg || n->init_peak) {
+				n->init_avg = 0;
+				n->init_peak = 0;
 				aggregate_requests(n);
 				p->set(n, n);
 			}