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From: computersforpeace@gmail•com (Brian Norris)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH v3 1/9] mtd: sharpslpart: add sharpslpart MTD partition parser
Date: Thu, 8 Jun 2017 18:42:40 -0700	[thread overview]
Message-ID: <20170609014240.GM102137@google.com> (raw)
In-Reply-To: <1496270458-6479-2-git-send-email-andrea.adami@gmail.com>

Oh, one more thing:

On Thu, Jun 01, 2017 at 12:40:50AM +0200, Andrea Adami wrote:
> diff --git a/drivers/mtd/sharpslpart.c b/drivers/mtd/sharpslpart.c
> new file mode 100644
> index 0000000..40aebe9
> --- /dev/null
> +++ b/drivers/mtd/sharpslpart.c
> @@ -0,0 +1,132 @@
> +/*
> + * MTD partition parser for NAND flash on Sharp SL Series
> + *
> + * Copyright (C) 2017 Andrea Adami <andrea.adami@gmail•com>
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License as published by
> + * the Free Software Foundation; either version 2 of the License, or
> + * (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> + * GNU General Public License for more details.
> + *
> + */
> +
> +#include <linux/kernel.h>
> +#include <linux/slab.h>
> +#include <linux/module.h>
> +#include <linux/mtd/mtd.h>
> +#include <linux/mtd/partitions.h>
> +#include "sharpsl_ftl.h"
> +
> +/* factory defaults */
> +#define SHARPSL_NAND_PARTS		3
> +#define SHARPSL_FTL_PARTITION_SIZE	(7 * 1024 * 1024)
> +#define PARAM_BLOCK_PARTITIONINFO1	0x00060000
> +#define PARAM_BLOCK_PARTITIONINFO2	0x00064000
> +
> +#define BOOT_MAGIC			be32_to_cpu(0x424f4f54)   /* BOOT */
> +#define FSRO_MAGIC			be32_to_cpu(0x4653524f)   /* FSRO */
> +#define FSRW_MAGIC			be32_to_cpu(0x46535257)   /* FSRW */

[...]

> +struct sharpsl_nand_partitioninfo {
> +	u32 start;
> +	u32 end;

I was going to ignore this earlier, but I just noticed that you handle
endianness for the magic values above, so...

shouldn't you handle endianness for the start and end fields too?

> +	u32 magic;
> +	u32 reserved;
> +};
[...]

Brian

  parent reply	other threads:[~2017-06-09  1:42 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-31 22:40 [PATCH v3 0/9] mtd: sharpslpart partition parser Andrea Adami
2017-05-31 22:40 ` [PATCH v3 1/9] mtd: sharpslpart: add sharpslpart MTD " Andrea Adami
2017-06-09  1:30   ` Brian Norris
2017-06-20  8:52     ` Andrea Adami
2017-06-20 22:05       ` Brian Norris
2017-06-09  1:42   ` Brian Norris [this message]
2017-06-20  8:56     ` Andrea Adami
2017-05-31 22:40 ` [PATCH v3 2/9] mtd: nand: sharpsl.h: support partition parser types Andrea Adami
2017-05-31 22:40 ` [PATCH v3 3/9] mfd: tmio.h: " Andrea Adami
2017-06-01  8:40   ` Wolfram Sang
2017-06-01 14:35   ` Lee Jones
2017-06-03 21:40     ` Andrea Adami
2017-06-05  7:59       ` Lee Jones
2017-05-31 22:40 ` [PATCH v3 4/9] mtd: nand: sharpsl.c: take in account " Andrea Adami
2017-06-01  8:35   ` Wolfram Sang
2017-05-31 22:40 ` [PATCH v3 5/9] mtd: nand: tmio_nand.c: " Andrea Adami
2017-06-01  8:37   ` Wolfram Sang
2017-05-31 22:40 ` [PATCH v3 6/9] arm: pxa: corgi.c: remove hardcoded partitioning, use sharpslpart parser Andrea Adami
2017-05-31 22:40 ` [PATCH v3 7/9] arm: pxa: tosa.c: " Andrea Adami
2017-05-31 22:40 ` [PATCH v3 8/9] arm: pxa: spitz.c: " Andrea Adami
2017-05-31 22:40 ` [PATCH v3 9/9] arm: pxa: poodle.c: " Andrea Adami
2017-06-09  1:35 ` [PATCH v3 0/9] mtd: sharpslpart partition parser Brian Norris

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