From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AA586CCA48A for ; Tue, 21 Jun 2022 21:05:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1356562AbiFUVEe (ORCPT ); Tue, 21 Jun 2022 17:04:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38790 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1355742AbiFUVBB (ORCPT ); Tue, 21 Jun 2022 17:01:01 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D78EB25F9; Tue, 21 Jun 2022 13:52:57 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id AF585B81B31; Tue, 21 Jun 2022 20:51:51 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 05383C3411C; Tue, 21 Jun 2022 20:51:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1655844710; bh=VL7bWDXe8ljpJO1MWHeq70mjEul+u0QUCZHVWXXtVrk=; h=From:To:Cc:Subject:Date:From; b=RvB1uNDNtO7d5Q8Kp3zE11jo0nwgIfL+/7UAtgbzr7K4uR8zMIHiHI03t+w2y+k4b 5Cm2AX6EANxmuq0ihZ9Pt44hJ8j+HAUAEIsFmmNhBvwlySiHAhs3Yg+DUIhh7x5d3T tid0JDMySzRGSJRoC48FNusRv3aAnLhLbgJrfFLNu6uzEtlLdDvaiOPgWlymgmPOvp gA0vbTTU/fwT3liNhfPZDnSRPrBhYdvgmR2kmmchRTRQj4WM7fXX9Q/QmhVxSjita2 ur42xWqBTjc5Yb9o+2cBc6fcV0HE/PdkyHU7dfFgFmxdfyBOfIhzeh09gPzjlgUOgm xislqTWYrwsaA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Alexander Usyskin , Tomas Winkler , Greg Kroah-Hartman , Sasha Levin Subject: [PATCH AUTOSEL 4.9 1/3] mei: me: set internal pg flag to off on hardware reset Date: Tue, 21 Jun 2022 16:51:45 -0400 Message-Id: <20220621205148.251040-1-sashal@kernel.org> X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Alexander Usyskin [ Upstream commit 9f4639373e6756e1ccf0029f861f1061db3c3616 ] Link reset flow is always performed in the runtime resumed state. The internal PG state may be left as ON after the suspend and will not be updated upon the resume if the D0i3 is not supported. Ensure that the internal PG state is set to the right value on the flow entrance in case the firmware does not support D0i3. Signed-off-by: Alexander Usyskin Signed-off-by: Tomas Winkler Link: https://lore.kernel.org/r/20220606144225.282375-1-tomas.winkler@intel.com Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/misc/mei/hw-me.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/misc/mei/hw-me.c b/drivers/misc/mei/hw-me.c index 56c2101e80ad..082450c27be6 100644 --- a/drivers/misc/mei/hw-me.c +++ b/drivers/misc/mei/hw-me.c @@ -1061,6 +1061,8 @@ static int mei_me_hw_reset(struct mei_device *dev, bool intr_enable) ret = mei_me_d0i3_exit_sync(dev); if (ret) return ret; + } else { + hw->pg_state = MEI_PG_OFF; } } -- 2.35.1