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 9E075C6FD1A for ; Tue, 7 Mar 2023 14:01:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230310AbjCGOB5 (ORCPT ); Tue, 7 Mar 2023 09:01:57 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42010 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229715AbjCGOBp (ORCPT ); Tue, 7 Mar 2023 09:01:45 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 87A6477C91; Tue, 7 Mar 2023 06:01:43 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id E77D66143A; Tue, 7 Mar 2023 14:01:42 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3D1D3C433A7; Tue, 7 Mar 2023 14:01:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1678197702; bh=2mGQZRLNoz0yS+ALWl4LpTGIySLxfDySlk84qGzNyi0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=jzmLHiAmPX31HQtQOy+HM9KJ9obz6dJTBjrHwwhMPwwIUqF+2zqHRyh2ritZ8WvAU nsshCDj8eIGaPsds5IH7p67yqQngPnUBvAQdULwp056/turtof42t/jvR7OltjfwbQ d+vxW1UMjwVW2afGzvu2rD9cxjtX801ItzSrsTMC4DrN+PIlC7KAUrSJrNDa+WBVy5 2LZfKGwj+++PZyKJ9Wq03bInMa44dQiajhRdIQWe8uQjBVANVqBmO02WYMRYqK3eUF l90IY3hn36/cl74ms1pVX6x/ilGY7Rur5j86/ZZBMnau4TI+OrLtNug1cU0bBUxb0K 86AlgkUU1JgrA== Date: Tue, 7 Mar 2023 14:01:37 +0000 From: Mark Brown To: Tudor Ambarus Cc: "Mahapatra, Amit Kumar" , "miquel.raynal@bootlin.com" , "richard@nod.at" , "vigneshr@ti.com" , "jic23@kernel.org" , "pratyush@kernel.org" , "linux-spi@vger.kernel.org" , "linux-mtd@lists.infradead.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH V5 09/15] spi: Add stacked and parallel memories support in SPI core Message-ID: <560c01eb-7166-4b56-b9e0-77cacf83cf69@sirena.org.uk> References: <20230306172109.595464-1-amit.kumar-mahapatra@amd.com> <20230306172109.595464-10-amit.kumar-mahapatra@amd.com> <1bbda9e6-37fb-195b-fd62-0e437847c636@linaro.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="+lqAPw/yMTRaWbuS" Content-Disposition: inline In-Reply-To: X-Cookie: A rolling stone gathers momentum. Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --+lqAPw/yMTRaWbuS Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Mar 07, 2023 at 11:47:27AM +0000, Tudor Ambarus wrote: > On 3/7/23 11:37, Mahapatra, Amit Kumar wrote: > > > On 3/6/23 17:21, Amit Kumar Mahapatra wrote:=09 > > > > Multi CS support using GPIO is not tested due to unavailability of > > > > necessary hardware setup. > > > Please don't add code that is not used or tested. > > During our discussion on the RFC, Mark had suggested to add multi-cs su= pport > > via GPIO as well. We had agreed to add multi-cs support via GPIO, but h= ad also > > mentioned that we don't have a hardware setup to test the CS GPIO use c= ase. > > https://lore.kernel.org/linux-arm-kernel/BN7PR12MB2802E2A9079E505932832= 270DC979@BN7PR12MB2802.namprd12.prod.outlook.com/ > Ok, his call then. As well as hopefully working if anyone does need it GPIO implementations also serve as documentation of what we're expecting hardware to do when it implements things. --+lqAPw/yMTRaWbuS Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmQHQ8AACgkQJNaLcl1U h9DWMAf/dqUtzrGMgRBoWLFJUBQD5J+eu4PmFpPDZJETNqwSazPcVa97COLuA/xh Wxc4iP5Kot8o2WJlHei50Pbxv1iMrEoWbUCCd3y7Rh27gxzdDUNxzESmduZZx3lt EIw5UhModB6CBqa8J7/0983QxIxDirGnzA63WM5jaNLOZLmQCgvPXXJJSeokTsn4 F8IvC0ECKlKQOYYgsXImnbxoDV1mrNkeVhaJ0+IEwp3var83U5cDWGhoX/b/Ns3l uQNlkmMIKNty6+tvtzrrBPsxFUnvBbC4VsjxLxk85Jq8JsWTUA3SGvsMoN1jH2JW 5cfkBKfg3YEuyCspeCUoDCL1l9DwIA== =YbJC -----END PGP SIGNATURE----- --+lqAPw/yMTRaWbuS--