From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Boris Brezillon <boris.brezillon@collabora.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
devicetree@vger.kernel.org, Vignesh Raghavendra <vigneshr@ti.com>,
Tudor Ambarus <Tudor.Ambarus@microchip.com>,
Richard Weinberger <richard@nod.at>,
Rob Herring <robh+dt@kernel.org>,
linux-mtd@lists.infradead.org
Subject: Re: [RESEND v5 12/21] mtd: rawnand: Deprecate nand-ecc-mode in favor of nand-ecc-provider
Date: Wed, 27 May 2020 10:42:28 +0200 [thread overview]
Message-ID: <20200527104228.6ee6efc0@xps13> (raw)
In-Reply-To: <20200527010325.0e7213b2@collabora.com>
Boris Brezillon <boris.brezillon@collabora.com> wrote on Wed, 27 May
2020 01:03:25 +0200:
> On Tue, 26 May 2020 21:56:24 +0200
> Miquel Raynal <miquel.raynal@bootlin.com> wrote:
>
> > Use nand-ecc-provider as the provider DT property. Fallback to
> > nand-ecc-mode if the property does not exist.
> >
> > Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
> > ---
> > drivers/mtd/nand/raw/nand_base.c | 4 +++-
> > 1 file changed, 3 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c
> > index 69c1b7ab938e..7d17d52cdd34 100644
> > --- a/drivers/mtd/nand/raw/nand_base.c
> > +++ b/drivers/mtd/nand/raw/nand_base.c
> > @@ -5036,7 +5036,9 @@ of_get_nand_ecc_engine_type(struct device_node *np)
> > const char *pm;
> > int err;
> >
> > - err = of_property_read_string(np, "nand-ecc-mode", &pm);
> > + err = of_property_read_string(np, "nand-ecc-provider", &pm);
>
> "nand-ecc-engine-type"
>
> And I'd prefer to have a different string table for that one, so we get
> rid of the confusing "hw" type (which is actually "on-controller").
So this means
* keeping a legacy table
* supporting both tables
* with both DT properties
* eventually refuse the legacy entries in spi-nand
Sounds like a lot of burden to me for a minor improvement. If we rename
"hw" into "on-controller" we must also add "off-controller" then, but
again, I find it confusing.
I am a bit lost on what is the "right" direction right now.
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next prev parent reply other threads:[~2020-05-27 8:43 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-26 19:56 [RESEND v5 00/21] Introduce the generic ECC engine abstraction Miquel Raynal
2020-05-26 19:56 ` [RESEND v5 01/21] mtd: Fix typo in mtd_ooblayout_set_databytes() description Miquel Raynal
2020-05-27 14:11 ` Miquel Raynal
2020-05-26 19:56 ` [RESEND v5 02/21] mtd: rawnand: Avoid a typedef Miquel Raynal
2020-05-27 14:11 ` Miquel Raynal
2020-05-26 19:56 ` [RESEND v5 03/21] mtd: rawnand: Drop OOB_FIRST placement scheme Miquel Raynal
2020-05-26 22:46 ` Boris Brezillon
2020-05-27 14:11 ` Miquel Raynal
2020-05-26 19:56 ` [RESEND v5 04/21] dt-bindings: mtd: Deprecate OOB_FIRST mode Miquel Raynal
2020-05-26 22:42 ` Boris Brezillon
2020-05-27 14:11 ` Miquel Raynal
2020-05-26 19:56 ` [RESEND v5 05/21] mtd: rawnand: Return an enum from of_get_nand_ecc_algo() Miquel Raynal
2020-05-26 22:41 ` Boris Brezillon
2020-05-27 14:11 ` Miquel Raynal
2020-05-26 19:56 ` [RESEND v5 06/21] mtd: rawnand: Add an invalid ECC mode to discriminate with valid ones Miquel Raynal
2020-05-27 14:11 ` Miquel Raynal
2020-05-26 19:56 ` [RESEND v5 07/21] mtd: rawnand: Create a new enumeration to describe OOB placement Miquel Raynal
2020-05-26 22:39 ` Boris Brezillon
2020-05-27 8:00 ` Miquel Raynal
2020-05-27 8:22 ` Boris Brezillon
2020-05-26 19:56 ` [RESEND v5 08/21] mtd: rawnand: Separate the ECC engine type and the " Miquel Raynal
2020-05-26 19:56 ` [RESEND v5 09/21] mtd: rawnand: Create a new enumeration to describe properly ECC types Miquel Raynal
2020-05-26 22:55 ` Boris Brezillon
2020-05-26 23:21 ` Boris Brezillon
2020-05-27 8:21 ` Miquel Raynal
2020-05-26 22:59 ` Boris Brezillon
2020-05-27 8:33 ` Miquel Raynal
2020-05-27 8:44 ` Boris Brezillon
2020-05-27 8:50 ` Boris Brezillon
2020-05-26 19:56 ` [RESEND v5 10/21] mtd: rawnand: Create a helper to retrieve the ECC placement Miquel Raynal
2020-05-26 19:56 ` [RESEND v5 11/21] mtd: rawnand: Use the new ECC engine type enumeration Miquel Raynal
2020-05-26 19:56 ` [RESEND v5 12/21] mtd: rawnand: Deprecate nand-ecc-mode in favor of nand-ecc-provider Miquel Raynal
2020-05-26 23:03 ` Boris Brezillon
2020-05-27 8:42 ` Miquel Raynal [this message]
2020-05-26 19:56 ` [RESEND v5 13/21] mtd: rawnand: Drop the legacy ECC type enumeration Miquel Raynal
2020-05-26 19:56 ` [RESEND v5 14/21] dt-bindings: mtd: Add the nand-ecc-placement property Miquel Raynal
2020-05-26 23:08 ` Boris Brezillon
2020-05-26 23:10 ` Rob Herring
2020-05-26 19:56 ` [RESEND v5 15/21] dt-bindings: mtd: Deprecate hw_syndrome from the ECC modes Miquel Raynal
2020-05-26 23:09 ` Boris Brezillon
2020-05-26 19:56 ` [RESEND v5 16/21] dt-bindings: mtd: Deprecate the nand-ecc-mode property Miquel Raynal
2020-05-26 23:12 ` Boris Brezillon
2020-05-26 19:56 ` [RESEND v5 17/21] mtd: nand: Move nand_device forward declaration to the top Miquel Raynal
2020-05-26 19:56 ` [RESEND v5 18/21] mtd: nand: Add an extra level in the Kconfig hierarchy Miquel Raynal
2020-05-26 19:56 ` [RESEND v5 19/21] mtd: nand: Drop useless 'depends on' in Kconfig Miquel Raynal
2020-05-26 19:56 ` [RESEND v5 20/21] mtd: nand: Add a NAND page I/O request type Miquel Raynal
2020-05-26 19:56 ` [RESEND v5 21/21] mtd: nand: Rename a core structure Miquel Raynal
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