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=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no 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 D161AC433FF for ; Mon, 12 Aug 2019 09:50:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A06FE2087B for ; Mon, 12 Aug 2019 09:50:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="J/FQAQab" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727677AbfHLJu6 (ORCPT ); Mon, 12 Aug 2019 05:50:58 -0400 Received: from mail-ot1-f66.google.com ([209.85.210.66]:35906 "EHLO mail-ot1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727466AbfHLJu6 (ORCPT ); Mon, 12 Aug 2019 05:50:58 -0400 Received: by mail-ot1-f66.google.com with SMTP id k18so24447295otr.3 for ; Mon, 12 Aug 2019 02:50:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=Kb6hKbAOMVuL+Z26AT+EFtx5MG6TEv4wDdw/myrwQ+U=; b=J/FQAQab+aixe22PRiNBu7L0NDde/C2hXCpVftTRoFGOw8pRPugy3jP0wAggy8vjCm t6iYDnybfvsXId9UDaJ6ra2ggQZjX/pPV7V0RaQQo5sWAlef03HV1CBPikWbu35fGUaP +2CY8yvvMO5AVEWYwePAUANCHClK5pvFLXHuGXJ8zJYXkHxttupBdaMQ+vMsDf0Ek7Io GSxTlREe+2RKcuaQIPUqEbKOEoGsUH1zL6busYQSHgBYFmjYzScZKtab9ogTkKx4BaGZ omp227gqxhuEVfzZTRokfaSkUgdbU3MKAkbZqDJEn7Qcy4Dqnx1ITa/GaH5H0y4pYKxQ MGtg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=Kb6hKbAOMVuL+Z26AT+EFtx5MG6TEv4wDdw/myrwQ+U=; b=r0IYdxF4+/PkCsQuXYIVYfnp4aeP50XIH9dv3CjZOBAlq2tYtnn8Odt4XaIic701lk HVgpf1Jdkd5DWaSVvKzPA1LCYM3Hpzg7x4b+9GJLaYSbC6G3Polu++r6EjphArhr2RnH fIKNcM1XXiqvDlz9cr0A/OYO0LNvDR+HJiZO27MnoElB/BmuathO2xWhWsFlu4RDVr5f HZZ1CIfpvM/KscfTL9fBO7ZGCXyt4a2Su6+az0QFQXnii50zS583Fz/Np/q3tsxQUjhi NjBzUm34Z/JApiQBtBUCLS02fVZspLkOUuRjWRPC17rJmcQjWqSK0gEm1HDurdedThVN abhw== X-Gm-Message-State: APjAAAUCCHJ5UTINX3pHEUAEmLzwHOeuublpsfEEvWQof7uwG6ZyllFo 0cpID5L7Y97LPx/6JDQcB/S1LQmduh2gWcMfMr+kLg== X-Google-Smtp-Source: APXvYqz4lQF7XDSq19OS08secxgAHIh9LEA1ri4DLDT1TwYKNppMdi6ToK3pQQF+F0v8y5u7kQqQDs82eRZLhuJM5A8= X-Received: by 2002:aca:6056:: with SMTP id u83mr14334202oib.27.1565603457156; Mon, 12 Aug 2019 02:50:57 -0700 (PDT) MIME-Version: 1.0 References: <6a38a3655bc8100764d85cb04dea5c2546a311e1.1565168564.git.baolin.wang@linaro.org> <40127356a1acd1f2ff1be1d8a120b305a4e17af4.1565168564.git.baolin.wang@linaro.org> <20190809091013.vguj4wty7qiab64t@pengutronix.de> <20190809144124.3as3rtctlywxkudr@pengutronix.de> <20190812083556.dvprpwv6mjy3cjae@pengutronix.de> <20190812094607.yg7efmvefewxicke@pengutronix.de> In-Reply-To: <20190812094607.yg7efmvefewxicke@pengutronix.de> From: Baolin Wang Date: Mon, 12 Aug 2019 17:50:45 +0800 Message-ID: Subject: Re: [PATCH 2/2] pwm: sprd: Add Spreadtrum PWM support To: =?UTF-8?Q?Uwe_Kleine=2DK=C3=B6nig?= Cc: Thierry Reding , Rob Herring , Mark Rutland , Orson Zhai , Chunyan Zhang , Vincent Guittot , linux-pwm@vger.kernel.org, DTML , LKML , kernel@pengutronix.de Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 12 Aug 2019 at 17:46, Uwe Kleine-K=C3=B6nig wrote: > > Hello Baolin, > > On Mon, Aug 12, 2019 at 05:11:56PM +0800, Baolin Wang wrote: > > On Mon, 12 Aug 2019 at 16:36, Uwe Kleine-K=C3=B6nig > > wrote: > > > On Mon, Aug 12, 2019 at 03:29:07PM +0800, Baolin Wang wrote: > > > > The clock framework supplies 'assigned-clocks' and > > > > 'assigned-clock-parents' properties to set parent, but for our case= we > > > > still want to set a default clock rate if failed to set parent when > > > > met some abnormal things. > > > > > > Without understanding the complete problem I'd say this is out of the > > > area the driver should care about. > > > > Fair enough, I will try to use 'assigned-clocks' and > > 'assigned-clock-parents' to simplify the code. > > There is also assigned-clock-rates if you need that. Thanks for reminding, but we have no use case to set clock rate in PWM driv= er. --=20 Baolin Wang Best Regards