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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 62EF6C4332F for ; Tue, 14 Nov 2023 08:57:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232410AbjKNI5s (ORCPT ); Tue, 14 Nov 2023 03:57:48 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38372 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232227AbjKNI5r (ORCPT ); Tue, 14 Nov 2023 03:57:47 -0500 Received: from relay6-d.mail.gandi.net (relay6-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::226]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BEBAD196 for ; Tue, 14 Nov 2023 00:57:43 -0800 (PST) Received: by mail.gandi.net (Postfix) with ESMTPSA id 1A48DC0012; Tue, 14 Nov 2023 08:57:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1699952262; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=y71DTRYYjD5Pmt7mctLPg7jTQX9GlbAgtEg/Aq82o78=; b=PPXqcFWc7sokc1zQQ/M/kGX7QfiWYc+R9bfOUgm/uoUr8MyK8IlBaL7CTYfpzHWLy+gcei INEBh8LdFr6Zz7LKSlu5ZyDbdiOcGXusTWz/JEGUEdmFDMV12Ci99sPcr1SL0NdShbwinJ Jm3rygUvemq8+M1eSXrdOWiHiLPg+WNSPiWGTj1uXRanfzx2CB74ytN10hbpg1KhIEfuu0 ls4Muy5Q1qXvZjO6IRbtsuGK1jjP0UUcbTHShrRYjQ3AoUwn1C662S7bTpG0ZcwW4FuL/K /lm2Zjy5+0UsKl85foPSblGx5pI8OH5E5NZ79frx/PRYIgdzsdZkLM5TLi4AGg== Date: Tue, 14 Nov 2023 09:57:37 +0100 From: Miquel Raynal To: Joshua Yeong Cc: , , Subject: Re: [PATCH v3 1/1] i3c: Add fallback method for GETMXDS CCC Message-ID: <20231114095737.158781d1@xps-13> In-Reply-To: <20231114085525.6271-2-joshua.yeong@starfivetech.com> References: <20231114085525.6271-1-joshua.yeong@starfivetech.com> <20231114085525.6271-2-joshua.yeong@starfivetech.com> Organization: Bootlin X-Mailer: Claws Mail 4.0.0 (GTK+ 3.24.33; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-GND-Sasl: miquel.raynal@bootlin.com Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Joshua, joshua.yeong@starfivetech.com wrote on Tue, 14 Nov 2023 16:55:25 +0800: > Some I3C hardware will report error when an incorrect length is received = from > device. GETMXDS CCC are available in 2 formats: without turnaround time (= format > 1) and with turnaround time (format 2). There is no mechanics to determin= e which > format is supported by device. So in case sending GETMXDS CCC format 2 re= sulted > in a failure, try sending GETMXDS CCC format 1 instead. >=20 Reviewed-by: Miquel Raynal > Signed-off-by: Joshua Yeong > --- Thanks, Miqu=C3=A8l