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 ED0ADC7EE2D for ; Sat, 25 Feb 2023 22:50:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229530AbjBYWtx (ORCPT ); Sat, 25 Feb 2023 17:49:53 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53052 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229445AbjBYWtv (ORCPT ); Sat, 25 Feb 2023 17:49:51 -0500 Received: from relay1-d.mail.gandi.net (relay1-d.mail.gandi.net [217.70.183.193]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0B9A113D5C for ; Sat, 25 Feb 2023 14:49:49 -0800 (PST) Received: (Authenticated sender: alexandre.belloni@bootlin.com) by mail.gandi.net (Postfix) with ESMTPSA id C2D5F240002; Sat, 25 Feb 2023 22:49:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1677365388; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=i1eJi9aFfeHw4XIo76QiONNeIzY51ZAxdJnXby/UHkk=; b=gD91fOoIe8nK4JHPicx55CjgNSDd+TSJdKGUj569D08+m3RHo8wutxllglTKEUEqvKItIe Rbm0Jrxz0JS+3GvAbtfj/cjuyq7N10jiiLjy6l1LNN4Y2AuL3gyJm9h0x/2BxwdMRggttK 5wOQ4dosvznpzjLEckHyreeNbSdrZG4Bmrju6dFBTJgteVQfYVW5zoOPR5kFENuPnGxR/a QuyYJZEpMUXBcV0GTgqu3PnLZnuV+zIcOeyBtQE4nMyQPaZFX8+rM2v/MuVMF9Q1pEg6UO c9EGimiGaXLcRGVOjXXwvHAyWEy2A7G/GnXEtX451FHFksa26DCtI3+5Cbbc5A== Date: Sat, 25 Feb 2023 23:49:47 +0100 From: Alexandre Belloni To: Jack Chen Cc: linux-i3c@lists.infradead.org, linux-kernel@vger.kernel.org, Jesus Sanchez-Palencia , Mark Slevinsky Subject: Re: [PATCH v3] i3c: update dw-i3c-master i3c_clk_cfg function Message-ID: <167736537001.623134.2161286183992135167.b4-ty@bootlin.com> References: <20230216151057.293764-1-zenghuchen@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230216151057.293764-1-zenghuchen@google.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 16 Feb 2023 10:10:57 -0500, Jack Chen wrote: > Bus-speed could be default(12.5MHz) or defined by users in dts. > Dw-i3c-master should not hard-code the initial speed to be > I3C_BUS_TYP_I3C_SCL_RATE (12.5MHz) > And because of Synopsys's I3C controller limit (hcnt/lcnt register > length) and core-clk provided, there is a limit to bus speed, too. > For example, when core-clk is 250 MHz, the bus speed cannot be > lowered below 1MHz. > > [...] Applied, thanks! [1/1] i3c: update dw-i3c-master i3c_clk_cfg function commit: 07eac9c306a0efd73a43804b50c88c67696a3c74 Best regards, -- Alexandre Belloni, co-owner and COO, Bootlin Embedded Linux and Kernel engineering https://bootlin.com