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[2a01:7e01::f03c:91ff:fed4:a3b6]) by smtp-relay.gmail.com with ESMTPS id u11sm303737edq.8.2019.08.20.09.58.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 20 Aug 2019 09:58:28 -0700 (PDT) X-Relaying-Domain: sirena.org.uk Received: from ypsilon.sirena.org.uk ([2001:470:1f1d:6b5::7]) by heliosphere.sirena.org.uk with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1i07Sl-0002xT-Q6; Tue, 20 Aug 2019 16:58:27 +0000 Received: by ypsilon.sirena.org.uk (Postfix, from userid 1000) id BB8642742ABD; Tue, 20 Aug 2019 17:58:26 +0100 (BST) Date: Tue, 20 Aug 2019 17:58:26 +0100 From: Mark Brown To: John Garry Subject: Re: [PATCH] docs: mtd: Update spi nor reference driver Message-ID: <20190820165826.GF4738@sirena.co.uk> References: <1565107583-68506-1-git-send-email-john.garry@huawei.com> <6c4bb892-6cf5-af46-3ace-b333fd47ef14@huawei.com> <9b074db7-b95d-a081-2fba-7b2b82997332@kontron.de> MIME-Version: 1.0 In-Reply-To: X-Cookie: It's the thought, if any, that counts! User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190820_095830_188530_8A0018E7 X-CRM114-Status: GOOD ( 12.68 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Vignesh Raghavendra , "corbet@lwn.net" , "richard@nod.at" , "linux-doc@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Schrempf Frieder , "marek.vasut@gmail.com" , "linux-mtd@lists.infradead.org" , "tudor.ambarus@microchip.com" , "miquel.raynal@bootlin.com" , "mchehab+samsung@kernel.org" , wanghuiqiang Content-Type: multipart/mixed; boundary="===============3099633712666912696==" Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org --===============3099633712666912696== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="NGIwU0kFl1Z1A3An" Content-Disposition: inline --NGIwU0kFl1Z1A3An Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Tue, Aug 20, 2019 at 03:09:15PM +0100, John Garry wrote: > On 19/08/2019 05:39, Vignesh Raghavendra wrote: > > On 16/08/19 3:50 PM, John Garry wrote: > > > About the child spi flash devices, is the recommendation to just use > > > PRP0001 HID and "jedec,spi-nor" compatible? > > I am not quite familiar with ACPI systems, but child flash device should > > use "jedec,spi-nor" as compatible. > Right, so to use SPI MEM framework, it looks like I will have to use PRP0001 > and "jedec,spi-nor" as compatible. > My reluctance in using PRP0001 and compatible "jedec,spi-nor" is how other > OS can understand this. Last I heard Windows wasn't doing anything with PRP0001 but on the other hand the idiomatic way to handle this for ACPI is as far as I can tell to have what is essentially a board file loaded based on DMI information without any real enumerability so there's no real conflict between the two methods. --NGIwU0kFl1Z1A3An Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAl1cJrEACgkQJNaLcl1U h9CKegf/diFxbL9O/cQMcq2uRUNMNl4gLgGHjuKME4Zo+1sQkFrJNR27rNlGsAh2 mulo2giJlmEzVN1m+nQouojKPegOQjt42Oj8UDF1XOg9LKisfrXp4JMQ7mmQ2Joh B37OCYGAZPzjJk6MpPwRGUD94v/BE9H6Ma5cqdL+HKTx4dIgMMdvszTG7gwsGDoP S+BjjyCx/Y/qByOr0w4VxAuMYo/D43tfzvIgcE1YnhPtnkPBIDx7qUa0gWEWVqjF q8AqdEPcJyLL3Wu+8OBPFdFRWlbjXtLwoCXy+nsC9285sqc8uF+ppJ9UyFP3FgFW J5/itNaPyZUXNmFPziim/nbgI43BTQ== =Hh41 -----END PGP SIGNATURE----- --NGIwU0kFl1Z1A3An-- --===============3099633712666912696== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/ --===============3099633712666912696==--