From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-172.mta1.migadu.com (out-172.mta1.migadu.com [95.215.58.172]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C488244AB87 for ; Thu, 23 Jul 2026 11:01:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784804485; cv=none; b=Nen2+01sYTM/AXTJc2tPqVE4QyX9JUUY9N6NhHJ6x2SXUDI6fP4E37W4D9ROU9SqxZGDn6zBdJw+mqVeCudZplUKWamMxJCoaTdLwqaTFIqtn5OujurO5p+2T8QVI+owphLwQHmZMQtivTlktLykhZX/qV00UqPaNiO7Pn+aS1c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784804485; c=relaxed/simple; bh=uRPXyog4cbok1rh/frWnC3pgODHYNSvYUNNlr/vO9xo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=kXwMrHZzKK8EeOvH4ZbpUVwxrd6pXzu/IKeZQ1RxRCGlFKrMsAeSd8L5DJqECXbHjEL6c8IylbQeFW8UxNDd7fELLhLVOaYM33u4fjELh97/Ylt6Xkd5nPuwjTDJRH0ZgdiihHJnWeQroZswPesUccz2JXH06jxBFn9dGm5yCbY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=nFjmVXQ3; arc=none smtp.client-ip=95.215.58.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="nFjmVXQ3" Date: Thu, 23 Jul 2026 13:01:11 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1784804481; 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=oWSozt3sBOqlnIkNcGnrfrqysXqsisZD4CxuNmHDbc0=; b=nFjmVXQ3dbFU3sg/DUD7S4bCt4bbn8T7LAf42nmeUCvevCdjOSBVGSYyOYY+aQlZ+QJu3d e+XyEalqW7mp1o5dy7hzH4s+dAmhj+0izVK2gwIvAfxDkcnzy4T1rofUpKoOlRnTLd9b+o Q8+fRJ7nev5zvBgvvTr7vGM12cufTLw= X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Richard Leitner To: Mark Brown Cc: Laurent Pinchart , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Greg Kroah-Hartman , "Rafael J. Wysocki" , Danilo Krummrich , Dave Stevenson , Alexander Stein , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, driver-core@lists.linux.dev Subject: Re: [PATCH RFC 1/2] dt-bindings: regmap: add common schema for no-sequential-read Message-ID: References: <20260722-regmap-single-read-v1-0-aaaf31591669@linux.dev> <20260722-regmap-single-read-v1-1-aaaf31591669@linux.dev> <20260722201622.GD648629@killaraus.ideasonboard.com> <525338f4-cad3-4acb-94c5-a4b71cde9c02@sirena.org.uk> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <525338f4-cad3-4acb-94c5-a4b71cde9c02@sirena.org.uk> X-Migadu-Flow: FLOW_OUT On Wed, Jul 22, 2026 at 11:03:09PM +0100, Mark Brown wrote: > On Wed, Jul 22, 2026 at 11:58:46PM +0200, Richard Leitner wrote: > > > @Mark: I understood that if the fpga really intercepts the I2C bus, it > > should be modelled accordingly in device tree. But what would be the > > preferred implementation if both devices sit on the same I2C bus, but > > one is messing up some register reads on purpose? > > I think we would need to have a coherent understanding and description > of the actual issue to know how to describe it. Understood. I will try to figure out how the hardware is really wired and come back to you. > > Please do not add random characters to my name. Sorry, I didn’t mean any harm.