Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
In-Reply-To: <20200311084304.580bec79@xps13>
References: <1583220084-10890-1-git-send-email-masonccyang@mxic.com.tw> <1583220084-10890-4-git-send-email-masonccyang@mxic.com.tw>
        <20200310203310.5fe74c57@collabora.com> <OF5C883176.AD73134D-ON48258528.000F5185-48258528.001F3544@mxic.com.tw> <20200311084304.580bec79@xps13>
To:     "Miquel Raynal" <miquel.raynal@bootlin.com>
Cc:     allison@lohutok.net, bbrezillon@kernel.org,
        "Boris Brezillon" <boris.brezillon@collabora.com>,
        frieder.schrempf@kontron.de, juliensu@mxic.com.tw,
        linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org,
        rfontana@redhat.com, richard@nod.at, s.hauer@pengutronix.de,
        stefan@agner.ch, tglx@linutronix.de, vigneshr@ti.com,
        yuehaibing@huawei.com
Subject: Re: [PATCH v3 3/4] mtd: rawnand: Add support manufacturer specific suspend/resume
 operation
MIME-Version: 1.0
Message-ID: <OFA42184FE.1BAA0BF4-ON48258529.000916D9-48258529.0009A361@mxic.com.tw>
From:   masonccyang@mxic.com.tw
Date:   Thu, 12 Mar 2020 09:45:16 +0800
Content-Type: text/plain; charset="ISO-8859-1"
Content-Transfer-Encoding: 8BIT
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk


Hi Miquel,
 
> > > > diff --git a/include/linux/mtd/rawnand.h 
b/include/linux/mtd/rawnand.h
> > > > index bc2fa3c..c0055ed 100644
> > > > --- a/include/linux/mtd/rawnand.h
> > > > +++ b/include/linux/mtd/rawnand.h
> > > > @@ -1064,6 +1064,8 @@ struct nand_legacy {
> > > >   * @lock:      lock protecting the suspended field. Also used to
> > > >   *         serialize accesses to the NAND device.
> > > >   * @suspended:      set to 1 when the device is suspended, 0 when 
 
> > it's not.
> > > > + * @_suspend:      [REPLACEABLE] specific NAND device suspend 
> > operation
> > > > + * @_resume:      [REPLACEABLE] specific NAND device resume 
operation
> > > >   * @bbt:      [INTERN] bad block table pointer
> > > >   * @bbt_td:      [REPLACEABLE] bad block table descriptor for 
flash
> > > >   *         lookup.
> > > > @@ -1119,6 +1121,8 @@ struct nand_chip {
> > > > 
> > > >     struct mutex lock;
> > > >     unsigned int suspended : 1;
> > > > +   int (*_suspend)(struct nand_chip *chip);
> > > > +   void (*_resume)(struct nand_chip *chip); 
> > > 
> > > I thought we agreed on not prefixing new hooks with _ ? 
> > 
> > For [PATCH v2] series, you mentioned to drop the _ prefix 
> > of _lock/_unlock only and we finally patched to lock_area/unlock_area.
> > 
> 
> I missed this _, this is not something we want to add.
> 
> Also, when applying your patches I had several issues because they
> where not base on the last -rc1.
> 
> Finally, I think I forgot a line when patching manually so it produces
> a warning now.
> 
> I am dropping patch 3 and 4, I keep patch 1 and 2 which seem fine.
> 
> Please send a rebased and edited v4 for these, don't forget to drop the
> kbuildtest robot tag and please also follow these slightly edited
> commit logs:
> 
> 2/4
> 
>     mtd: rawnand: Add support for manufacturer specific suspend/resume 
operation
> 
>     Patch nand_suspend() & nand_resume() to let manufacturers overwrite
>     suspend/resume operations.
> 
> 3/4
> 
>     mtd: rawnand: macronix: Add support for deep power down mode
> 
>     Macronix AD series support deep power down mode for a minimum
>     power consumption state.
> 
>     Overlaod nand_suspend() & nand_resume() in Macronix specific code to
>     support deep power down mode.

okay, will resend [PATCH v4 xx/2] for suspend/resume operation with these 
commit logs.

> 
> Thanks,
> Miqu?l

thanks for your review & comments.
Mason


CONFIDENTIALITY NOTE:

This e-mail and any attachments may contain confidential information 
and/or personal data, which is protected by applicable laws. Please be 
reminded that duplication, disclosure, distribution, or use of this e-mail 
(and/or its attachments) or any part thereof is prohibited. If you receive 
this e-mail in error, please notify us immediately and delete this mail as 
well as its attachment(s) from your system. In addition, please be 
informed that collection, processing, and/or use of personal data is 
prohibited unless expressly permitted by personal data protection laws. 
Thank you for your attention and cooperation.

Macronix International Co., Ltd.

=====================================================================


============================================================================

CONFIDENTIALITY NOTE:

This e-mail and any attachments may contain confidential information and/or personal data, which is protected by applicable laws. Please be reminded that duplication, disclosure, distribution, or use of this e-mail (and/or its attachments) or any part thereof is prohibited. If you receive this e-mail in error, please notify us immediately and delete this mail as well as its attachment(s) from your system. In addition, please be informed that collection, processing, and/or use of personal data is prohibited unless expressly permitted by personal data protection laws. Thank you for your attention and cooperation.

Macronix International Co., Ltd.

=====================================================================