From patchwork Wed Aug 10 22:27:33 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Justin Chen X-Patchwork-Id: 597816 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 4A2DAC00140 for ; Wed, 10 Aug 2022 22:27:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233215AbiHJW1t (ORCPT ); Wed, 10 Aug 2022 18:27:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59654 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229487AbiHJW1s (ORCPT ); Wed, 10 Aug 2022 18:27:48 -0400 Received: from mail-qv1-xf33.google.com (mail-qv1-xf33.google.com [IPv6:2607:f8b0:4864:20::f33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7874A8D3E2; Wed, 10 Aug 2022 15:27:47 -0700 (PDT) Received: by mail-qv1-xf33.google.com with SMTP id l8so7366074qvr.5; Wed, 10 Aug 2022 15:27:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=message-id:date:subject:cc:to:from:from:to:cc; bh=1kroZZlbx2mb+lZ5zbOLxVzJk8/IGmcscYwlNeEJr90=; b=I6zcHS1SoFrUtXXgV0bCF5RpE7FkCxGeTZ3HJLX6/AHAeDkeolokYdxbHX41LnVXmD ajXM/I9QuIzBrrbRgaLA7GwQsPahcxar2Ijoz+FgUZWB74MFanJRGAfcMG4/8maygj9m BFkxaqyVWb4FUOnMsCgcqF+EkMGmURptkfEHxjNvWXo5pRZRUZ70+pGML+t4Qm0KYP9q 4TWclY88l5A4/aTfng7dPwA8sGWHXTxyV/obLe+bBCC8M22s199iqC3PPm99Tqnpb30k 0Y237mJ4k/ZxKabyyie0tjOAVQ4kHYFa5wDzSAM15r5MFku558/n6xfBL4qSsnbBW4Fs pSSA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc; bh=1kroZZlbx2mb+lZ5zbOLxVzJk8/IGmcscYwlNeEJr90=; b=KJAX53WXj9RF+ndiOp6lGjBiKgOD9TAZHXh3QVkiYE0LbAN6oGqWcws8IqyS5nM4Tw vCml23GWpGX4GHCMtcmqngpbyMsnUdUMwib9wPfxSK8wCTIVswrazOdTt/E/fhmP7Kk1 2tJ2o6DqYoogSenv5nME4xJLctBeDOYs/Jxxgr9zK+eUemzb0tmtfdVrbVnh+/+RdnMr 7h5/8X5WqzEhdSKPiPhH+92c0NbAcijF3YlAFuRfVqJjLq3ovfF+c1Iy1Nrf7yc4/cNX lp/TBOL5BoycfjDgNxMmReAUk6TCS5U73nE+L76197xrgk/Zwq7PyT6oCb1buLRERbn2 joQw== X-Gm-Message-State: ACgBeo37fDIOAOWlYbwTHb/YvxkNV3ylhNs/ZP0VOzg8BpkyXI+peITm fx1FYVeAz/XWKCObqDKropCSYMPdkgQ= X-Google-Smtp-Source: AA6agR7aUXEdccWAXLss1IP/vMeIrZWTc1bQPXR3VFUBbsJnIAdnUFeILdnkbR1cSC7IvA9WtQm+0w== X-Received: by 2002:a05:6214:242b:b0:479:4bb0:529c with SMTP id gy11-20020a056214242b00b004794bb0529cmr22486761qvb.109.1660170466453; Wed, 10 Aug 2022 15:27:46 -0700 (PDT) Received: from stbirv-lnx-2.igp.broadcom.net ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id y29-20020a37f61d000000b006b8e8c657ccsm711341qkj.117.2022.08.10.15.27.44 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 10 Aug 2022 15:27:45 -0700 (PDT) From: justinpopo6@gmail.com To: mathias.nyman@intel.com, gregkh@linuxfoundation.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Cc: f.fainelli@gmail.com, Justin Chen Subject: [PATCH 0/2] usb: host: xhci-plat: Introduce XHCI_SUSPEND_RESUME_CLKS quirk Date: Wed, 10 Aug 2022 15:27:33 -0700 Message-Id: <1660170455-15781-1-git-send-email-justinpopo6@gmail.com> X-Mailer: git-send-email 2.7.4 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org From: Justin Chen Introduce XHCI_SUSPEND_RESUME_CLKS quirk for turning off clocks during suspend and turning on clocks on resume. Certain hardware, in our case xhci_plat_brcm, can have power savings by turning off clocks before hitting suspend states. Justin Chen (2): usb: host: xhci-plat: suspend and resume clocks usb: host: xhci-plat: suspend/resume clks for brcm drivers/usb/host/xhci-plat.c | 18 ++++++++++++++++-- drivers/usb/host/xhci.h | 1 + 2 files changed, 17 insertions(+), 2 deletions(-)