linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Miquel Raynal <miquel.raynal@bootlin.com>
To: YouChing Lin <ycllin@mxic.com.tw>
Cc: richard@nod.at, vigneshr@ti.com, juliensu@mxic.com.tw,
	gch981213@gmail.com, linux-mtd@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mtd: spinand: macronix: Add support for MX35LFxGE4AD
Date: Wed, 4 Nov 2020 18:44:44 +0100	[thread overview]
Message-ID: <20201104184444.3fd2d52d@xps13> (raw)
In-Reply-To: <1604490442-9052-1-git-send-email-ycllin@mxic.com.tw>

Hi YouChing,

YouChing Lin <ycllin@mxic.com.tw> wrote on Wed,  4 Nov 2020 19:47:22
+0800:

> The Macronix MX35LF2GE4AD / MX35LF4GE4AD are 3V, 2G / 4Gbit serial
> SLC NAND flash device (with on-die ECC).
> 
> Validated by read, erase, read back, write, read back and nandtest
> on Xilinx Zynq PicoZed FPGA board which included Macronix SPI Host
> (drivers/spi/spi-mxic.c).
> 
> Signed-off-by: YouChing Lin <ycllin@mxic.com.tw>
> ---
>  drivers/mtd/nand/spi/macronix.c | 20 ++++++++++++++++++++
>  1 file changed, 20 insertions(+)
> 
> diff --git a/drivers/mtd/nand/spi/macronix.c b/drivers/mtd/nand/spi/macronix.c
> index 8e801e4..4f7f954 100644
> --- a/drivers/mtd/nand/spi/macronix.c
> +++ b/drivers/mtd/nand/spi/macronix.c
> @@ -119,6 +119,26 @@ static int mx35lf1ge4ab_ecc_get_status(struct spinand_device *spinand,
>  					      &update_cache_variants),
>  		     SPINAND_HAS_QE_BIT,
>  		     SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, NULL)),
> +	SPINAND_INFO("MX35LF2GE4AD",
> +		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x26),
> +		     NAND_MEMORG(1, 2048, 64, 64, 2048, 40, 1, 1, 1),
> +		     NAND_ECCREQ(8, 512),
> +		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
> +					      &write_cache_variants,
> +					      &update_cache_variants),
> +		     0 /*SPINAND_HAS_QE_BIT*/,

What is the purpose of this comment? Shouldn't get rid of it and just
keep '0' if the QE bit is not supported?

> +		     SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
> +				     mx35lf1ge4ab_ecc_get_status)),
> +	SPINAND_INFO("MX35LF4GE4AD",
> +		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x37),
> +		     NAND_MEMORG(1, 4096, 128, 64, 2048, 40, 1, 1, 1),
> +		     NAND_ECCREQ(8, 512),
> +		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
> +					      &write_cache_variants,
> +					      &update_cache_variants),
> +		     0 /*SPINAND_HAS_QE_BIT*/,

Ditto

> +		     SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
> +				     mx35lf1ge4ab_ecc_get_status)),
>  	SPINAND_INFO("MX31LF1GE4BC",
>  		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x1e),
>  		     NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1),

Thanks,
Miquèl

  reply	other threads:[~2020-11-04 17:44 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-04 11:47 [PATCH] mtd: spinand: macronix: Add support for MX35LFxGE4AD YouChing Lin
2020-11-04 17:44 ` Miquel Raynal [this message]
2020-11-19 21:11 ` Miquel Raynal
2020-11-19 21:15   ` Miquel Raynal
2020-11-20  1:10     ` 回信: " ycllin

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20201104184444.3fd2d52d@xps13 \
    --to=miquel.raynal@bootlin.com \
    --cc=gch981213@gmail.com \
    --cc=juliensu@mxic.com.tw \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mtd@lists.infradead.org \
    --cc=richard@nod.at \
    --cc=vigneshr@ti.com \
    --cc=ycllin@mxic.com.tw \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).