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=-5.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS, URIBL_BLOCKED,USER_AGENT_MUTT 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 76A69C004C9 for ; Tue, 7 May 2019 23:12:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4466E21019 for ; Tue, 7 May 2019 23:12:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="WudCQKf1" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726617AbfEGXMl (ORCPT ); Tue, 7 May 2019 19:12:41 -0400 Received: from mail-pf1-f195.google.com ([209.85.210.195]:32886 "EHLO mail-pf1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726091AbfEGXMl (ORCPT ); Tue, 7 May 2019 19:12:41 -0400 Received: by mail-pf1-f195.google.com with SMTP id z28so9440946pfk.0 for ; Tue, 07 May 2019 16:12:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=tWjHfDmr6zfr6uEFNgoTwl3QSdpsHDKdbL7emu6+I7o=; b=WudCQKf19/mQ7OgzsTY0vSgIImKPxFoM+sLFaezbTXhZSZsHqHy/pa6pV7OSMAj4dS z3ly6js80G0ExrYvBa72ezekQM9t8P1HTXKJdAQNCk/7pNEJ2PA7nnmAlCYPpCNRffWe XQgdvbtSATNbm1b0KOFkF1oGs1Casxn/XmLj3tHNnUkq5BmnpWiiT4iu7b/rJg7EnKaE hzXDpYYsvIMN6SajuJDlOT9wYLQzI5SpQt3lKsHfWwvLcMZkk0+J7WN4+YAV1rGD0lZz UuYEMtjmWp/wj9DYwiG6MoX52ZbZ5niZ3Jlhn/bUqUUMiz1JL2fmIRweGvJMdG2mUMgG oDbA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=tWjHfDmr6zfr6uEFNgoTwl3QSdpsHDKdbL7emu6+I7o=; b=IIA04g62CVu3S3zYFtgphDklKBYJ9PYcdLzgKfuhDSwdkD8xXYMLFdKJD1v0SqvWQD 6SzLCXcu06YHjMwajssgU9DdDbL85QacRGbF06slw0cPPbopXZKKXGZ55DPtwSYvoMeu WD2vIBReMZYMabRrsr1Vc8FT+z0FheFsbhOdlPtHnBOCDZ31weLbgPUqoDq1Mk8XTugN JRnCLlcnmks3X4QqxY7uxVV0zpOXPhu9eZvLZb9NTf/ZbZ2qzNGT92cR6cHPVKr6N/ic HJroumCSoCF8BT1tUQyZq5mzocL28L+S8ELYgWnIcSZZQGyl2M0T8x6mAhDIrWJ8pDvo XQwA== X-Gm-Message-State: APjAAAUhbBEkHvFTZwn8sXiJrR4iNT6N+i/Fbp+ThDkh7JGdmhbYESMN 896o00YwDgDAuipqU21+ppg= X-Google-Smtp-Source: APXvYqyV4BvuDtnxbZwvhHc6+bHTU8WcX0OlbIakNQEfaZpg7WJRgZytOsIoQ08/5s95SNQG3ij7CA== X-Received: by 2002:a63:7d0a:: with SMTP id y10mr42516704pgc.292.1557270760058; Tue, 07 May 2019 16:12:40 -0700 (PDT) Received: from Asurada-Nvidia.nvidia.com (thunderhill.nvidia.com. [216.228.112.22]) by smtp.gmail.com with ESMTPSA id a9sm728073pgw.72.2019.05.07.16.12.38 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 07 May 2019 16:12:39 -0700 (PDT) Date: Tue, 7 May 2019 16:11:09 -0700 From: Nicolin Chen To: Daniel Baluta Cc: "broonie@kernel.org" , "S.j. Wang" , "timur@kernel.org" , "festevam@gmail.com" , "tiwai@suse.com" , dl-linux-imx , "alsa-devel@alsa-project.org" , "linux-kernel@vger.kernel.org" Subject: Re: [RESEND PATCH v3] ASoC: fsl_sai: Move clock operation to PM runtime Message-ID: <20190507231108.GA22188@Asurada-Nvidia.nvidia.com> References: <20190507140632.15996-1-daniel.baluta@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190507140632.15996-1-daniel.baluta@nxp.com> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, May 07, 2019 at 02:06:52PM +0000, Daniel Baluta wrote: > From: Shengjiu Wang > > Turn off/on clocks when device enters suspend/resume. This > can help saving power. > > As a further optimization, we turn off/on mclk only when SAI > is in master mode because otherwise mclk is externally provided. > > Signed-off-by: Shengjiu Wang > Signed-off-by: Daniel Baluta > Reviewed-by: Viorel Suman Acked-by: Nicolin Chen