From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtpout-03.galae.net (smtpout-03.galae.net [185.246.85.4]) (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 6070737C11C; Thu, 16 Apr 2026 10:03:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.246.85.4 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776333841; cv=none; b=qG4NtR1QPh+DxlO9mpsT79sSAt06K3rzEeVTY/K0jbe8pEBuFzvKj6DXKT958vNCx2WQiS5+X5EBvLtu6IHgzTRXTDlqpAJP9+JnLio8bD262t2V1eHYKOZxvFdLPKxKQOj0SGCzyGLkKq7nagL646cTqGQqlYE/Dqnpcvcjiz4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776333841; c=relaxed/simple; bh=eJznwiWu3GS+G9YuTGcBBBnq7Dob2hnAe6bFBd1fFWA=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=eGZZUZiUIpS24qjOHgnH3q7Rh9zfEt+m8TpLsZzbCe4bBkFni0E7lWEN1CHvvMPIwq7SpzAsy71XVFaVyBRXkAvoiY18WSTtf0nkUskqOI1GP58x16Rq/Ne/BUEF5Kp1XTETHNRp1DYNoREwOK6LEoYZjkWG474Licod8HozmX8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=qyK79Tbv; arc=none smtp.client-ip=185.246.85.4 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="qyK79Tbv" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-03.galae.net (Postfix) with ESMTPS id CCF2B4E42A1A; Thu, 16 Apr 2026 10:03:56 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id A286260495; Thu, 16 Apr 2026 10:03:56 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 215111045A177; Thu, 16 Apr 2026 12:03:54 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1776333836; h=from:subject:date:message-id:to:cc:mime-version:content-type: in-reply-to:references; bh=jz6qYFKNci22zxAWa0vLjki+Xbsl10MmWaT9hS9sWNc=; b=qyK79Tbv0He5cPPGsSwcn+lVCvXGjTmv3N4N7u/qDZhmFp+hbI8pLmW9mcWyLOd2VyN+14 xaoZrDsp/5wI4SSW45AJnwFEWEQOVHHRb0CE3upt71IMae6Pc0F7VTF2Iar2k3B9wmNk/1 M3tIqi0ZASnSivJh5CEzgxo4Ft5/fHpTAT3m+mCW4Miqm29cFvvFaDIlwWjOeIygWhtMSn okX4uO2v2SidwDQyrLSFNUlJLru3RTjyLVjh/nYirnb9UIKwr02CvoU/KDpE27Zb5QShtF tNaWz7Fk9leY572KbswxsrSXuyN0peDtinPIJd7OOcSh5Uk9fvGrwL9Y/pH/EA== Date: Thu, 16 Apr 2026 12:03:54 +0200 From: Alexandre Belloni To: Adriana Stancu Cc: linux-rtc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Subject: Re: [PATCH v2 1/2] dt-bindings: rtc: ti,bq32k: Add delay on rtc reads Message-ID: <20260416100354ac85cb48@mail.local> References: <20260416092414.3210383-1-adriana@arista.com> <20260416095706.3212158-1-adriana@arista.com> <20260416095706.3212158-2-adriana@arista.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260416095706.3212158-2-adriana@arista.com> X-Last-TLS-Session-Version: TLSv1.3 On 16/04/2026 02:57:05-0700, Adriana Stancu wrote: > Add a configurable "ti,read-settle-us" property to resolve a limitation > where aggressive I2C polling prevents the BQ32000's internal register to > update. This ensures the hardware has sufficient idle time to update its > buffer, preventing stale data reads on systems where the "interrupts" are > not configured. > Why does it need to be configured? -- Alexandre Belloni, co-owner and COO, Bootlin Embedded Linux and Kernel engineering https://bootlin.com