From: Artem Bityutskiy <dedekind1@gmail.com>
To: Richard Cochran <richardcochran@gmail.com>
Cc: linux-mtd@lists.infradead.org
Subject: Re: [PATCH] mtd: Added an ioctl to query the lock status of a flash sector.
Date: Sun, 13 Jun 2010 12:05:03 +0300 [thread overview]
Message-ID: <1276419903.19028.180.camel@localhost> (raw)
In-Reply-To: <20100531131214.GA15887@riccoc20.at.omicron.at>
On Mon, 2010-05-31 at 15:12 +0200, Richard Cochran wrote:
> This patchs adds a way for user space programs to find out whether a
> flash sector is locked. An optional driver method in the mtd_info struct
> provides the information.
>
> Signed-off-by: Richard Cochran <richard.cochran@omicron.at>
> ---
> drivers/mtd/chips/cfi_cmdset_0001.c | 8 ++++++++
> drivers/mtd/mtdchar.c | 14 ++++++++++++++
> drivers/mtd/mtdpart.c | 10 ++++++++++
> include/linux/mtd/mtd.h | 1 +
> include/mtd/mtd-abi.h | 1 +
> 5 files changed, 34 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
> index 5fbf29e..67caca7 100644
> --- a/drivers/mtd/chips/cfi_cmdset_0001.c
> +++ b/drivers/mtd/chips/cfi_cmdset_0001.c
> @@ -63,6 +63,7 @@ static int cfi_intelext_erase_varsize(struct mtd_info *, struct erase_info *);
> static void cfi_intelext_sync (struct mtd_info *);
> static int cfi_intelext_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len);
> static int cfi_intelext_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len);
> +static int cfi_intelext_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len);
> #ifdef CONFIG_MTD_OTP
> static int cfi_intelext_read_fact_prot_reg (struct mtd_info *, loff_t, size_t, size_t *, u_char *);
> static int cfi_intelext_read_user_prot_reg (struct mtd_info *, loff_t, size_t, size_t *, u_char *);
> @@ -448,6 +449,7 @@ struct mtd_info *cfi_cmdset_0001(struct map_info *map, int primary)
> mtd->sync = cfi_intelext_sync;
> mtd->lock = cfi_intelext_lock;
> mtd->unlock = cfi_intelext_unlock;
> + mtd->locked = cfi_intelext_locked;
> mtd->suspend = cfi_intelext_suspend;
> mtd->resume = cfi_intelext_resume;
> mtd->flags = MTD_CAP_NORFLASH;
I think it is tiny bit nicer to name 'is_locked', which is a bit more
consistent with the already existing 'block_isbad'?
--
Best Regards,
Artem Bityutskiy (Артём Битюцкий)
next prev parent reply other threads:[~2010-06-13 9:10 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-31 13:12 [PATCH] mtd: Added an ioctl to query the lock status of a flash sector Richard Cochran
2010-06-13 9:05 ` Artem Bityutskiy [this message]
2010-06-14 16:10 ` Richard Cochran
2010-06-29 6:42 ` Artem Bityutskiy
2010-07-01 3:44 ` Artem Bityutskiy
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