All of lore.kernel.org
 help / color / mirror / Atom feed
From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Boris Brezillon <boris.brezillon@collabora.com>
Cc: Michal Simek <monstr@monstr.eu>,
	Vignesh Raghavendra <vigneshr@ti.com>,
	Tudor Ambarus <Tudor.Ambarus@microchip.com>,
	Richard Weinberger <richard@nod.at>,
	linux-mtd@lists.infradead.org,
	Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
	Naga Sureshkumar Relli <nagasure@xilinx.com>
Subject: Re: [PATCH v2] mtd: rawnand: micron: Adapt the PAGE READ flow to constraint controllers
Date: Tue, 19 May 2020 15:05:51 +0200	[thread overview]
Message-ID: <20200519150551.624cc4c4@xps13> (raw)
In-Reply-To: <20200519150157.7b668605@collabora.com>


Boris Brezillon <boris.brezillon@collabora.com> wrote on Tue, 19 May
2020 15:01:57 +0200:

> On Tue, 19 May 2020 14:30:32 +0200
> Miquel Raynal <miquel.raynal@bootlin.com> wrote:
> 
> > There are controllers not able to just read data cycles on the
> > bus. There are controllers not able to do a change column.
> > 
> > If we want to support both, we need to check which operation is
> > supported first. This is the exact same mechanism that is in use for
> > parameter page reads (ONFI/JEDEC) as the same problem occurs.
> > 
> > Speed testing does not show any throughput penalty so we do not
> > optimize more than that. However it is likely that, in the future, a
> > more robust and exhaustive test will run at boot time to avoid
> > re-checking what is supported and what is not at every call.
> > 
> > Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
> > Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
> > ---
> > 
> > Changes in v2:
> > * Added a comment before each check which is a condensate of the
> >   commit message.  
> 
> I don't see those comments :P.

Do you think I forgot a "git add ."?...

Let me resend this one.


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

      reply	other threads:[~2020-05-19 13:18 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-19 12:30 [PATCH v2] mtd: rawnand: micron: Adapt the PAGE READ flow to constraint controllers Miquel Raynal
2020-05-19 13:01 ` Boris Brezillon
2020-05-19 13:05   ` Miquel Raynal [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200519150551.624cc4c4@xps13 \
    --to=miquel.raynal@bootlin.com \
    --cc=Tudor.Ambarus@microchip.com \
    --cc=boris.brezillon@collabora.com \
    --cc=linux-mtd@lists.infradead.org \
    --cc=monstr@monstr.eu \
    --cc=nagasure@xilinx.com \
    --cc=richard@nod.at \
    --cc=thomas.petazzoni@bootlin.com \
    --cc=vigneshr@ti.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.