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[23.128.96.18]) by mx.google.com with ESMTP id x4si834266edc.458.2020.04.20.09.47.26; Mon, 20 Apr 2020 09:47:50 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726262AbgDTQqV (ORCPT + 99 others); Mon, 20 Apr 2020 12:46:21 -0400 Received: from sauhun.de ([88.99.104.3]:47836 "EHLO pokefinder.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725773AbgDTQqV (ORCPT ); Mon, 20 Apr 2020 12:46:21 -0400 Received: from localhost (p54B335B8.dip0.t-ipconnect.de [84.179.53.184]) by pokefinder.org (Postfix) with ESMTPSA id BB8642C1F4C; Mon, 20 Apr 2020 18:46:19 +0200 (CEST) Date: Mon, 20 Apr 2020 18:46:19 +0200 From: Wolfram Sang To: Patrick Williams Cc: =?utf-8?B?QmrDtnJuIEFyZMO2?= , Patrick Williams , linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/2] i2c: slave-eeprom: support additional models Message-ID: <20200420164619.GE3721@ninjato> References: <20191001164009.21610-1-alpawi@amazon.com> <20191001164009.21610-2-alpawi@amazon.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="J4XPiPrVK1ev6Sgr" Content-Disposition: inline In-Reply-To: <20191001164009.21610-2-alpawi@amazon.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --J4XPiPrVK1ev6Sgr Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Oct 01, 2019 at 11:40:06AM -0500, Patrick Williams wrote: > Add support for emulating the following EEPROMs: > * 24c01 - 1024 bit > * 24c128 - 128k bit > * 24c256 - 256k bit > * 24c512 - 512k bit >=20 > The flag bits in the device id were shifted up 1 bit to make > room for saving the 24c512's size. 24c512 uses the full 16-bit > address space of a 2-byte addressable EEPROM. >=20 > Signed-off-by: Patrick Williams Do you really need them or is it just nice to have? I am undecided. I definately don't want all the EEPROM types which exist, but the full 16 bit address range makes sense... 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