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=-2.5 required=3.0 tests=FSL_HELO_FAKE, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 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 F391BC4CEC9 for ; Tue, 17 Sep 2019 15:34:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C987221897 for ; Tue, 17 Sep 2019 15:34:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726827AbfIQPe0 (ORCPT ); Tue, 17 Sep 2019 11:34:26 -0400 Received: from mail-io1-f53.google.com ([209.85.166.53]:34474 "EHLO mail-io1-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726724AbfIQPe0 (ORCPT ); Tue, 17 Sep 2019 11:34:26 -0400 Received: by mail-io1-f53.google.com with SMTP id q1so8716701ion.1 for ; Tue, 17 Sep 2019 08:34:25 -0700 (PDT) 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=b5eESMD28qPgijAAjYQFFcmvEqcWiLEcXpX+fUcktPY=; b=Osd6WCOEmx0w1JGrpwov4obR8Cq5hHbCQw61zdKoOoZvDBYk9aPftrleRNfP5htJC7 hKjaCx52VWBcpGqWE1G4cy7YcgcYkeAn7jjbtngswScEV99H6WGjsodm0foZ4bfV0c1+ 2m4ndA5TXuAP0hxbXCEiJGpgML+aMAldxJVke+vTpHsfe8AsdTEYsM0zLE8x9JImbZS+ lcHSBCRJ4bItdQ9NUWfMXTaUGTdh9x9T7MbOq8i6nNz09i8qhgybb5qW0x/c3hGcvAXZ y2ln6faX6Fn+FUx/yUEB5XW8SgJ03a3N6nWKfVpxkvT0nEJInLGOyJ8OW/visR3G9R3w 74+w== X-Gm-Message-State: APjAAAX2WE/EX0qlR5m5s4DJKF9ccsM7p9g4mZnqyLGlGNb2KdIiLVbx QMcu4Xt240ce8zgN7/VpoeCHhg== X-Google-Smtp-Source: APXvYqxPWSxk0QiDZucIgQV74YO0vltXHIK9raR1c0yDGCwIJyW9xu9hnN02QKJ2g6jbj+82Tj3aaQ== X-Received: by 2002:a02:9182:: with SMTP id p2mr4407846jag.43.1568734464780; Tue, 17 Sep 2019 08:34:24 -0700 (PDT) Received: from google.com ([2620:15c:183:0:82e0:aef8:11bc:24c4]) by smtp.gmail.com with ESMTPSA id u11sm3569716iof.22.2019.09.17.08.34.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Sep 2019 08:34:23 -0700 (PDT) Date: Tue, 17 Sep 2019 09:34:19 -0600 From: Raul Rangel To: Stephen Boyd Cc: Bjorn Andersson , Michael Turquette , Sai Prakash Ranjan , linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, Rob Clark , Sean Paul Subject: Re: [RFC] clk: Remove cached cores in parent map during unregister Message-ID: <20190917153419.GA258455@google.com> References: <20190723051446.20013-1-bjorn.andersson@linaro.org> <20190729224652.17291206E0@mail.kernel.org> <20190821181009.00D6322D6D@mail.kernel.org> <20190826212415.ABD3521848@mail.kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190826212415.ABD3521848@mail.kernel.org> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org On Mon, Aug 26, 2019 at 02:24:14PM -0700, Stephen Boyd wrote: > > > > ---8<--- > > diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c > > index c0990703ce54..f42a803fb11a 100644 > > --- a/drivers/clk/clk.c > > +++ b/drivers/clk/clk.c > > @@ -3737,6 +3737,37 @@ static const struct clk_ops clk_nodrv_ops = { > > .set_parent = clk_nodrv_set_parent, > > }; > > > > +static void clk_core_evict_parent_cache_subtree(struct clk_core *root, > > + struct clk_core *target) > > +{ > > + int i; > > + struct clk_core *child; > > + > > + if (!root) > > + return; > > I don't think we need this part. Child is always a valid pointer. > Bjorn or Saiprakash Are there any plans to send out Stephen's proposed patch? Thanks