linux-kernel - Re: [PATCH v2 1/4] mtd: rawnand: Add support manufacturer specific lock/unlock operatoin

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Date:   Mon, 17 Feb 2020 16:05:19 +0800
From:   masonccyang@...c.com.tw
To:     "Miquel Raynal" <miquel.raynal@...tlin.com>
Cc:     bbrezillon@...nel.org, computersforpeace@...il.com,
        dwmw2@...radead.org, juliensu@...c.com.tw,
        linux-kernel@...r.kernel.org, linux-mtd@...ts.infradead.org,
        marek.vasut@...il.com, richard@....at, vigneshr@...com
Subject: Re: [PATCH v2 1/4] mtd: rawnand: Add support manufacturer specific lock/unlock
 operatoin

Hi Miquel,

> >  /* 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.

okay, will fix both !

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

thanks for your time & comments.
Mason

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