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SubjectRe: [PATCH v2 1/4] mtd: rawnand: Add support manufacturer specific lock/unlock operatoin
On Mon, 28 Oct 2019 17:55:24 +0800
Mason Yang <masonccyang@mxic.com.tw> wrote:

> /* 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);

Please drop this _ prefix.

> };

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