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 X-Spam-Level: X-Spam-Status: No, score=-5.2 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4CE7CC432C3 for ; Sat, 16 Nov 2019 09:25:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 19C5220723 for ; Sat, 16 Nov 2019 09:25:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573896358; bh=O57bQZE/Qv9pds+0hvLQxrDfTjim4AUF4PlyRUnbQbo=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=pWuX0srdcJrbZz0Tqrxm/eaOgaaqxy7caRtg6rVcRMQlPG8i8VR31Q6J87BJHVytf TuQPD/l2arERCS0e19umDlWYxUhGftG5SKbAkJs/kf8q7L2BJ8NdBHvxJzpTGIH+6K J+ehjOUat43zC32UYjA3gRrqCyiCcGAoj4U3RrUw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727486AbfKPJZ5 (ORCPT ); Sat, 16 Nov 2019 04:25:57 -0500 Received: from mail.kernel.org ([198.145.29.99]:35756 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726830AbfKPJZ5 (ORCPT ); Sat, 16 Nov 2019 04:25:57 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id D457620723; Sat, 16 Nov 2019 09:25:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573896356; bh=O57bQZE/Qv9pds+0hvLQxrDfTjim4AUF4PlyRUnbQbo=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=d+FfvuC6J8SHcC5bkRxc3RYTGdMO7DkXdZTSrdJCgcOcKKkKeansuCkoSNNITbJKA rL6/4FuxdjOs9VUABI13EYf6sLrrNasyOS8EBDZVqDpP7QZI3PEaZCe5FvhVW3Zcxc 8gOdmYv53dlVJmDs4obaDHepMPGNcAxnO3ld0M0A= Date: Sat, 16 Nov 2019 10:25:52 +0100 From: Greg KH To: Mathias Nyman Cc: linux-usb@vger.kernel.org, Mika Westerberg Subject: Re: [PATCH 4/4] xhci-pci: Allow host runtime PM as default also for Intel Ice Lake xHCI Message-ID: <20191116092552.GA390155@kroah.com> References: <1573836603-10871-1-git-send-email-mathias.nyman@linux.intel.com> <1573836603-10871-5-git-send-email-mathias.nyman@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1573836603-10871-5-git-send-email-mathias.nyman@linux.intel.com> User-Agent: Mutt/1.12.2 (2019-09-21) Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org On Fri, Nov 15, 2019 at 06:50:03PM +0200, Mathias Nyman wrote: > From: Mika Westerberg > > Intel Ice Lake has two xHCI controllers one on PCH and the other as part > of the CPU itself. The latter is also part of the so called Type C > Subsystem (TCSS) sharing ACPI power resources with the PCIe root ports > and the Thunderbolt controllers. In order to put the whole TCSS block > into D3cold the xHCI needs to be runtime suspended as well when idle. > > For this reason allow runtime PM as default for Ice Lake TCSS xHCI > controller. > > Signed-off-by: Mika Westerberg > Signed-off-by: Mathias Nyman > --- > drivers/usb/host/xhci-pci.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) Can this also be queued up for the stable tree (or at least for 5.4.y?) thanks, greg k-h