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From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Mason Yang <masonccyang@mxic.com.tw>
Cc: richard@nod.at, marek.vasut@gmail.com, dwmw2@infradead.org,
	bbrezillon@kernel.org, computersforpeace@gmail.com,
	vigneshr@ti.com, juliensu@mxic.com.tw,
	linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org
Subject: Re: [PATCH v2 1/4] mtd: rawnand: Add support manufacturer specific lock/unlock operatoin
Date: Thu, 9 Jan 2020 17:41:59 +0100	[thread overview]
Message-ID: <20200109174159.1737067f@xps13> (raw)
In-Reply-To: <1572256527-5074-2-git-send-email-masonccyang@mxic.com.tw>

Hi Mason,

Mason Yang <masonccyang@mxic.com.tw> wrote on Mon, 28 Oct 2019 17:55:24
+0800:

> Add nand_lock() & nand_unlock() for manufacturer specific lock & unlock
> operation while the device supports Block Protection function.
> 
> Signed-off-by: Mason Yang <masonccyang@mxic.com.tw>
> ---
>  drivers/mtd/nand/raw/nand_base.c | 32 ++++++++++++++++++++++++++++++--
>  include/linux/mtd/rawnand.h      |  3 +++
>  2 files changed, 33 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c
> index 5c2c30a..5e318ff 100644
> --- a/drivers/mtd/nand/raw/nand_base.c
> +++ b/drivers/mtd/nand/raw/nand_base.c
> @@ -4356,6 +4356,34 @@ static void nand_shutdown(struct mtd_info *mtd)
>  	nand_suspend(mtd);
>  }
>  
> +/**
> + * nand_lock - [MTD Interface] Lock the NAND flash
> + * @mtd: MTD device structure
> + */
> +static int nand_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
> +{
> +	struct nand_chip *chip = mtd_to_nand(mtd);
> +
> +	if (!chip->_lock)
> +		return -ENOTSUPP;
> +
> +	return chip->_lock(chip, ofs, len);
> +}
> +
> +/**
> + * nand_unlock - [MTD Interface] Unlock the NAND flash
> + * @mtd: MTD device structure
> + */
> +static int nand_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
> +{
> +	struct nand_chip *chip = mtd_to_nand(mtd);
> +
> +	if (!chip->_unlock)
> +		return -ENOTSUPP;
> +
> +	return chip->_unlock(chip, ofs, len);
> +}
> +
>  /* Set default functions */
>  static void nand_set_defaults(struct nand_chip *chip)
>  {
> @@ -5782,8 +5810,8 @@ static int nand_scan_tail(struct nand_chip *chip)
>  	mtd->_read_oob = nand_read_oob;
>  	mtd->_write_oob = nand_write_oob;
>  	mtd->_sync = nand_sync;
> -	mtd->_lock = NULL;
> -	mtd->_unlock = NULL;
> +	mtd->_lock = nand_lock;
> +	mtd->_unlock = nand_unlock;
>  	mtd->_suspend = nand_suspend;
>  	mtd->_resume = nand_resume;
>  	mtd->_reboot = nand_shutdown;
> diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h
> index 4ab9bcc..2430ecd 100644
> --- a/include/linux/mtd/rawnand.h
> +++ b/include/linux/mtd/rawnand.h
> @@ -1136,6 +1136,9 @@ struct nand_chip {
>  		const struct nand_manufacturer *desc;
>  		void *priv;
>  	} manufacturer;
> +
> +	int (*_lock)(struct nand_chip *chip, loff_t ofs, uint64_t len);
> +	int (*_unlock)(struct nand_chip *chip, loff_t ofs, uint64_t len);

Kernel documentation is missing here.

Also please fix kbuildtest robot warnings.

With all this done, please add my:
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>

Thanks,
Miquèl

WARNING: multiple messages have this Message-ID (diff)
From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Mason Yang <masonccyang@mxic.com.tw>
Cc: vigneshr@ti.com, bbrezillon@kernel.org, juliensu@mxic.com.tw,
	richard@nod.at, linux-kernel@vger.kernel.org,
	marek.vasut@gmail.com, linux-mtd@lists.infradead.org,
	computersforpeace@gmail.com, dwmw2@infradead.org
Subject: Re: [PATCH v2 1/4] mtd: rawnand: Add support manufacturer specific lock/unlock operatoin
Date: Thu, 9 Jan 2020 17:41:59 +0100	[thread overview]
Message-ID: <20200109174159.1737067f@xps13> (raw)
In-Reply-To: <1572256527-5074-2-git-send-email-masonccyang@mxic.com.tw>

Hi Mason,

Mason Yang <masonccyang@mxic.com.tw> wrote on Mon, 28 Oct 2019 17:55:24
+0800:

> Add nand_lock() & nand_unlock() for manufacturer specific lock & unlock
> operation while the device supports Block Protection function.
> 
> Signed-off-by: Mason Yang <masonccyang@mxic.com.tw>
> ---
>  drivers/mtd/nand/raw/nand_base.c | 32 ++++++++++++++++++++++++++++++--
>  include/linux/mtd/rawnand.h      |  3 +++
>  2 files changed, 33 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c
> index 5c2c30a..5e318ff 100644
> --- a/drivers/mtd/nand/raw/nand_base.c
> +++ b/drivers/mtd/nand/raw/nand_base.c
> @@ -4356,6 +4356,34 @@ static void nand_shutdown(struct mtd_info *mtd)
>  	nand_suspend(mtd);
>  }
>  
> +/**
> + * nand_lock - [MTD Interface] Lock the NAND flash
> + * @mtd: MTD device structure
> + */
> +static int nand_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
> +{
> +	struct nand_chip *chip = mtd_to_nand(mtd);
> +
> +	if (!chip->_lock)
> +		return -ENOTSUPP;
> +
> +	return chip->_lock(chip, ofs, len);
> +}
> +
> +/**
> + * nand_unlock - [MTD Interface] Unlock the NAND flash
> + * @mtd: MTD device structure
> + */
> +static int nand_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
> +{
> +	struct nand_chip *chip = mtd_to_nand(mtd);
> +
> +	if (!chip->_unlock)
> +		return -ENOTSUPP;
> +
> +	return chip->_unlock(chip, ofs, len);
> +}
> +
>  /* Set default functions */
>  static void nand_set_defaults(struct nand_chip *chip)
>  {
> @@ -5782,8 +5810,8 @@ static int nand_scan_tail(struct nand_chip *chip)
>  	mtd->_read_oob = nand_read_oob;
>  	mtd->_write_oob = nand_write_oob;
>  	mtd->_sync = nand_sync;
> -	mtd->_lock = NULL;
> -	mtd->_unlock = NULL;
> +	mtd->_lock = nand_lock;
> +	mtd->_unlock = nand_unlock;
>  	mtd->_suspend = nand_suspend;
>  	mtd->_resume = nand_resume;
>  	mtd->_reboot = nand_shutdown;
> diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h
> index 4ab9bcc..2430ecd 100644
> --- a/include/linux/mtd/rawnand.h
> +++ b/include/linux/mtd/rawnand.h
> @@ -1136,6 +1136,9 @@ struct nand_chip {
>  		const struct nand_manufacturer *desc;
>  		void *priv;
>  	} manufacturer;
> +
> +	int (*_lock)(struct nand_chip *chip, loff_t ofs, uint64_t len);
> +	int (*_unlock)(struct nand_chip *chip, loff_t ofs, uint64_t len);

Kernel documentation is missing here.

Also please fix kbuildtest robot warnings.

With all this done, please add my:
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>

Thanks,
Miquèl

______________________________________________________
Linux MTD discussion mailing list
http://lists.infradead.org/mailman/listinfo/linux-mtd/

  parent reply	other threads:[~2020-01-09 16:42 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-28  9:55 [PATCH v2 0/4] mtd: rawnand: Add support Macronix Block Protection & deep power down mode Mason Yang
2019-10-28  9:55 ` Mason Yang
2019-10-28  9:55 ` [PATCH v2 1/4] mtd: rawnand: Add support manufacturer specific lock/unlock operatoin Mason Yang
2019-10-28  9:55   ` Mason Yang
2019-10-30  3:22   ` kbuild test robot
2019-10-30  3:22     ` kbuild test robot
2019-10-30  3:22     ` kbuild test robot
2020-01-09 16:41   ` Miquel Raynal [this message]
2020-01-09 16:41     ` Miquel Raynal
2020-02-17  8:05     ` masonccyang
2020-02-17  8:05       ` masonccyang
2020-01-09 19:30   ` Boris Brezillon
2020-01-09 19:30     ` Boris Brezillon
2020-02-17  8:14     ` masonccyang
2020-02-17  8:14       ` masonccyang
2020-02-17  9:01       ` Miquel Raynal
2020-02-17  9:01         ` Miquel Raynal
2020-02-17  9:22         ` Boris Brezillon
2020-02-17  9:22           ` Boris Brezillon
2020-02-18  3:13         ` masonccyang
2020-02-18  3:13           ` masonccyang
2019-10-28  9:55 ` [PATCH v2 2/4] mtd: rawnand: Add support Macronix Block Protection function Mason Yang
2019-10-28  9:55   ` Mason Yang
2020-01-09 16:47   ` Miquel Raynal
2020-01-09 16:47     ` Miquel Raynal
2020-02-17  8:24     ` masonccyang
2020-02-17  8:24       ` masonccyang
2019-10-28  9:55 ` [PATCH v2 3/4] mtd: rawnand: Add support manufacturer specific suspend/resume operation Mason Yang
2019-10-28  9:55   ` Mason Yang
2019-10-30  5:56   ` kbuild test robot
2019-10-30  5:56     ` kbuild test robot
2019-10-30  5:56     ` kbuild test robot
2020-01-09 16:53   ` Miquel Raynal
2020-01-09 16:53     ` Miquel Raynal
2019-10-28  9:55 ` [PATCH v2 4/4] mtd: rawnand: Add support Macronix deep power down mode Mason Yang
2019-10-28  9:55   ` Mason Yang
2019-10-31  7:36   ` kbuild test robot
2019-10-31  7:36     ` kbuild test robot
2019-10-31  7:36     ` kbuild test robot
2019-10-31  7:36   ` [RFC PATCH] mtd: rawnand: nand_power_down_op() can be static kbuild test robot
2019-10-31  7:36     ` kbuild test robot
2019-10-31  7:36     ` kbuild test robot
2020-01-09 17:01   ` [PATCH v2 4/4] mtd: rawnand: Add support Macronix deep power down mode Miquel Raynal
2020-01-09 17:01     ` Miquel Raynal
2020-02-21  2:44     ` masonccyang
2020-02-21  2:44       ` masonccyang

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