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Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jdiXo-0000kY-N8; Tue, 26 May 2020 22:59:36 +0000 Received: from bhuna.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e3e3]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jdiXm-0000jp-0J for linux-mtd@lists.infradead.org; Tue, 26 May 2020 22:59:35 +0000 Received: from localhost (unknown [IPv6:2a01:e0a:2c:6930:b93f:9fae:b276:a89a]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: bbrezillon) by bhuna.collabora.co.uk (Postfix) with ESMTPSA id B7E642A28CE; Tue, 26 May 2020 23:59:31 +0100 (BST) Date: Wed, 27 May 2020 00:59:28 +0200 From: Boris Brezillon To: Miquel Raynal Subject: Re: [RESEND v5 09/21] mtd: rawnand: Create a new enumeration to describe properly ECC types Message-ID: <20200527005928.39c549e2@collabora.com> In-Reply-To: <20200526195633.11543-10-miquel.raynal@bootlin.com> References: <20200526195633.11543-1-miquel.raynal@bootlin.com> <20200526195633.11543-10-miquel.raynal@bootlin.com> Organization: Collabora X-Mailer: Claws Mail 3.17.5 (GTK+ 2.24.32; x86_64-redhat-linux-gnu) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200526_155934_179432_CFB8F1EC X-CRM114-Status: GOOD ( 17.40 ) 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: Mark Rutland , devicetree@vger.kernel.org, Vignesh Raghavendra , Tudor Ambarus , Richard Weinberger , Rob Herring , linux-mtd@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org On Tue, 26 May 2020 21:56:21 +0200 Miquel Raynal wrote: > Now that the misleading mix between ECC engine type and OOB placement > has been addressed, add a new enumeration to properly define ECC types > (also called provider or mode). > > Signed-off-by: Miquel Raynal > Reviewed-by: Boris Brezillon > --- > drivers/mtd/nand/raw/nand_base.c | 7 +++++++ > include/linux/mtd/rawnand.h | 16 ++++++++++++++++ > 2 files changed, 23 insertions(+) > > diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c > index 515cd4681660..5c6ab5b93270 100644 > --- a/drivers/mtd/nand/raw/nand_base.c > +++ b/drivers/mtd/nand/raw/nand_base.c > @@ -5018,6 +5018,13 @@ static const char * const nand_ecc_modes[] = { > [NAND_ECC_ON_DIE] = "on-die", > }; > > +static const char * const nand_ecc_engine_providers[] = { This table is not used here, are you sure it should be introduced now? > + [NAND_ECC_ENGINE_NONE] = "none", > + [NAND_ECC_ENGINE_SOFT] = "soft", > + [NAND_ECC_ENGINE_CONTROLLER] = "hw", ^ "on-controller" ? > + [NAND_ECC_ENGINE_ON_DIE] = "on-die", > +}; > + > static const char * const nand_ecc_placement[] = { > [NAND_ECC_PLACEMENT_INTERLEAVED] = "interleaved", > }; > diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h > index dc909fb977c7..a2078c5f3d21 100644 > --- a/include/linux/mtd/rawnand.h > +++ b/include/linux/mtd/rawnand.h > @@ -92,6 +92,22 @@ enum nand_ecc_mode { > NAND_ECC_ON_DIE, > }; > > +/** > + * enum nand_ecc_engine_type - NAND ECC engine type/provider > + * @NAND_ECC_ENGINE_INVALID: Invalid value > + * @NAND_ECC_ENGINE_NONE: No ECC correction > + * @NAND_ECC_ENGINE_SOFT: Software ECC correction > + * @NAND_ECC_ENGINE_CONTROLLER: Hardware controller ECC correction > + * @NAND_ECC_ENGINE_ON_DIE: On chip hardware ECC correction > + */ > +enum nand_ecc_engine_type { > + NAND_ECC_ENGINE_INVALID, > + NAND_ECC_ENGINE_NONE, > + NAND_ECC_ENGINE_SOFT, > + NAND_ECC_ENGINE_CONTROLLER, > + NAND_ECC_ENGINE_ON_DIE, > +}; > + > /** > * enum nand_ecc_placement - NAND ECC placement > * @NAND_ECC_PLACEMENT_FREE: The driver can decide where to put ECC bytes. ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/