All of lore.kernel.org
 help / color / mirror / Atom feed
From: Mark Brown <broonie@kernel.org>
To: Chuanhong Guo <gch981213@gmail.com>
Cc: linux-mediatek@lists.infradead.org, linux-spi@vger.kernel.org,
	linux-mtd@lists.infradead.org,
	"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
	<devicetree@vger.kernel.org>,
	Miquel Raynal <miquel.raynal@bootlin.com>,
	Richard Weinberger <richard@nod.at>,
	Vignesh Raghavendra <vigneshr@ti.com>,
	Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	linux-arm-kernel@lists.infradead.org,
	open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 0/2] rewrite mtk-quadspi spi-nor driver with spi-mem
Date: Thu, 20 Feb 2020 19:51:22 +0000	[thread overview]
Message-ID: <20200220195122.GL3926@sirena.org.uk> (raw)
In-Reply-To: <CAJsYDVL03KJv7eewGekBPCfpbOuTX0tJ6qZaydvJnBDzZ5vEwg@mail.gmail.com>

[-- Attachment #1: Type: text/plain, Size: 602 bytes --]

On Thu, Feb 20, 2020 at 07:58:06AM +0800, Chuanhong Guo wrote:
> On Tue, Feb 18, 2020 at 8:55 PM Mark Brown <broonie@kernel.org> wrote:

> > This is an ABI break so you shouldn't be doing this, if the existing
> > binding works it should continue to work.

> The missing spi-max-frequency is the only part preventing old
> device tree to work with this driver.
> If the goal is to make existing dt binding work, I could patch dt using
> of_add_property in v2. I saw similar device tree patching for legacy
> bindings in pinctrl-single driver.

That's fine I think, so long as old DTs continue to work.

[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 488 bytes --]

WARNING: multiple messages have this Message-ID (diff)
From: Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: Chuanhong Guo <gch981213-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: linux-mediatek-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-mtd-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
	<devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Miquel Raynal
	<miquel.raynal-LDxbnhwyfcJBDgjK7y7TUQ@public.gmane.org>,
	Richard Weinberger <richard-/L3Ra7n9ekc@public.gmane.org>,
	Vignesh Raghavendra <vigneshr-l0cyMroinI0@public.gmane.org>,
	Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
	Matthias Brugger
	<matthias.bgg-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	open list <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH 0/2] rewrite mtk-quadspi spi-nor driver with spi-mem
Date: Thu, 20 Feb 2020 19:51:22 +0000	[thread overview]
Message-ID: <20200220195122.GL3926@sirena.org.uk> (raw)
In-Reply-To: <CAJsYDVL03KJv7eewGekBPCfpbOuTX0tJ6qZaydvJnBDzZ5vEwg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>

[-- Attachment #1: Type: text/plain, Size: 631 bytes --]

On Thu, Feb 20, 2020 at 07:58:06AM +0800, Chuanhong Guo wrote:
> On Tue, Feb 18, 2020 at 8:55 PM Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> wrote:

> > This is an ABI break so you shouldn't be doing this, if the existing
> > binding works it should continue to work.

> The missing spi-max-frequency is the only part preventing old
> device tree to work with this driver.
> If the goal is to make existing dt binding work, I could patch dt using
> of_add_property in v2. I saw similar device tree patching for legacy
> bindings in pinctrl-single driver.

That's fine I think, so long as old DTs continue to work.

[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 488 bytes --]

WARNING: multiple messages have this Message-ID (diff)
From: Mark Brown <broonie@kernel.org>
To: Chuanhong Guo <gch981213@gmail.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
	"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
	<devicetree@vger.kernel.org>,
	Vignesh Raghavendra <vigneshr@ti.com>,
	Richard Weinberger <richard@nod.at>,
	open list <linux-kernel@vger.kernel.org>,
	linux-spi@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
	linux-mtd@lists.infradead.org,
	Miquel Raynal <miquel.raynal@bootlin.com>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	linux-mediatek@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 0/2] rewrite mtk-quadspi spi-nor driver with spi-mem
Date: Thu, 20 Feb 2020 19:51:22 +0000	[thread overview]
Message-ID: <20200220195122.GL3926@sirena.org.uk> (raw)
In-Reply-To: <CAJsYDVL03KJv7eewGekBPCfpbOuTX0tJ6qZaydvJnBDzZ5vEwg@mail.gmail.com>


[-- Attachment #1.1: Type: text/plain, Size: 602 bytes --]

On Thu, Feb 20, 2020 at 07:58:06AM +0800, Chuanhong Guo wrote:
> On Tue, Feb 18, 2020 at 8:55 PM Mark Brown <broonie@kernel.org> wrote:

> > This is an ABI break so you shouldn't be doing this, if the existing
> > binding works it should continue to work.

> The missing spi-max-frequency is the only part preventing old
> device tree to work with this driver.
> If the goal is to make existing dt binding work, I could patch dt using
> of_add_property in v2. I saw similar device tree patching for legacy
> bindings in pinctrl-single driver.

That's fine I think, so long as old DTs continue to work.

[-- Attachment #1.2: signature.asc --]
[-- Type: application/pgp-signature, Size: 488 bytes --]

[-- Attachment #2: Type: text/plain, Size: 144 bytes --]

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

WARNING: multiple messages have this Message-ID (diff)
From: Mark Brown <broonie@kernel.org>
To: Chuanhong Guo <gch981213@gmail.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
	"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
	<devicetree@vger.kernel.org>,
	Vignesh Raghavendra <vigneshr@ti.com>,
	Richard Weinberger <richard@nod.at>,
	open list <linux-kernel@vger.kernel.org>,
	linux-spi@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
	linux-mtd@lists.infradead.org,
	Miquel Raynal <miquel.raynal@bootlin.com>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	linux-mediatek@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 0/2] rewrite mtk-quadspi spi-nor driver with spi-mem
Date: Thu, 20 Feb 2020 19:51:22 +0000	[thread overview]
Message-ID: <20200220195122.GL3926@sirena.org.uk> (raw)
In-Reply-To: <CAJsYDVL03KJv7eewGekBPCfpbOuTX0tJ6qZaydvJnBDzZ5vEwg@mail.gmail.com>


[-- Attachment #1.1: Type: text/plain, Size: 602 bytes --]

On Thu, Feb 20, 2020 at 07:58:06AM +0800, Chuanhong Guo wrote:
> On Tue, Feb 18, 2020 at 8:55 PM Mark Brown <broonie@kernel.org> wrote:

> > This is an ABI break so you shouldn't be doing this, if the existing
> > binding works it should continue to work.

> The missing spi-max-frequency is the only part preventing old
> device tree to work with this driver.
> If the goal is to make existing dt binding work, I could patch dt using
> of_add_property in v2. I saw similar device tree patching for legacy
> bindings in pinctrl-single driver.

That's fine I think, so long as old DTs continue to work.

[-- Attachment #1.2: signature.asc --]
[-- Type: application/pgp-signature, Size: 488 bytes --]

[-- Attachment #2: Type: text/plain, Size: 170 bytes --]

_______________________________________________
Linux-mediatek mailing list
Linux-mediatek@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-mediatek

WARNING: multiple messages have this Message-ID (diff)
From: Mark Brown <broonie@kernel.org>
To: Chuanhong Guo <gch981213@gmail.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
	"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
	<devicetree@vger.kernel.org>,
	Vignesh Raghavendra <vigneshr@ti.com>,
	Richard Weinberger <richard@nod.at>,
	open list <linux-kernel@vger.kernel.org>,
	linux-spi@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
	linux-mtd@lists.infradead.org,
	Miquel Raynal <miquel.raynal@bootlin.com>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	linux-mediatek@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 0/2] rewrite mtk-quadspi spi-nor driver with spi-mem
Date: Thu, 20 Feb 2020 19:51:22 +0000	[thread overview]
Message-ID: <20200220195122.GL3926@sirena.org.uk> (raw)
In-Reply-To: <CAJsYDVL03KJv7eewGekBPCfpbOuTX0tJ6qZaydvJnBDzZ5vEwg@mail.gmail.com>


[-- Attachment #1.1: Type: text/plain, Size: 602 bytes --]

On Thu, Feb 20, 2020 at 07:58:06AM +0800, Chuanhong Guo wrote:
> On Tue, Feb 18, 2020 at 8:55 PM Mark Brown <broonie@kernel.org> wrote:

> > This is an ABI break so you shouldn't be doing this, if the existing
> > binding works it should continue to work.

> The missing spi-max-frequency is the only part preventing old
> device tree to work with this driver.
> If the goal is to make existing dt binding work, I could patch dt using
> of_add_property in v2. I saw similar device tree patching for legacy
> bindings in pinctrl-single driver.

That's fine I think, so long as old DTs continue to work.

[-- Attachment #1.2: signature.asc --]
[-- Type: application/pgp-signature, Size: 488 bytes --]

[-- Attachment #2: Type: text/plain, Size: 176 bytes --]

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  reply	other threads:[~2020-02-20 19:51 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-15  6:58 [PATCH 0/2] rewrite mtk-quadspi spi-nor driver with spi-mem Chuanhong Guo
2020-02-15  6:58 ` Chuanhong Guo
2020-02-15  6:58 ` Chuanhong Guo
2020-02-15  6:58 ` Chuanhong Guo
2020-02-15  6:58 ` Chuanhong Guo
2020-02-15  6:58 ` [PATCH 1/2] spi: add support for mediatek spi-nor controller Chuanhong Guo
2020-02-15  6:58   ` Chuanhong Guo
2020-02-15  6:58   ` Chuanhong Guo
2020-02-15  6:58   ` Chuanhong Guo
2020-02-15  6:58   ` Chuanhong Guo
2020-02-15  6:58 ` [PATCH 2/2] dt-bindings: convert mtk-quadspi binding doc for spi-mtk-nor Chuanhong Guo
2020-02-15  6:58   ` Chuanhong Guo
2020-02-15  6:58   ` Chuanhong Guo
2020-02-15  6:58   ` Chuanhong Guo
2020-02-18 12:55 ` [PATCH 0/2] rewrite mtk-quadspi spi-nor driver with spi-mem Mark Brown
2020-02-18 12:55   ` Mark Brown
2020-02-18 12:55   ` Mark Brown
2020-02-18 12:55   ` Mark Brown
2020-02-19 23:58   ` Chuanhong Guo
2020-02-19 23:58     ` Chuanhong Guo
2020-02-19 23:58     ` Chuanhong Guo
2020-02-19 23:58     ` Chuanhong Guo
2020-02-19 23:58     ` Chuanhong Guo
2020-02-20 19:51     ` Mark Brown [this message]
2020-02-20 19:51       ` Mark Brown
2020-02-20 19:51       ` Mark Brown
2020-02-20 19:51       ` Mark Brown
2020-02-20 19:51       ` Mark Brown
2020-02-25 17:31     ` Rob Herring
2020-02-25 17:31       ` Rob Herring
2020-02-25 17:31       ` Rob Herring
2020-02-25 17:31       ` Rob Herring
2020-02-25 17:31       ` Rob Herring
2020-02-26  1:31       ` Chuanhong Guo
2020-02-26  1:31         ` Chuanhong Guo
2020-02-26  1:31         ` Chuanhong Guo
2020-02-26  1:31         ` Chuanhong Guo
2020-02-26  1:31         ` Chuanhong Guo
2020-02-26 11:36         ` Mark Brown
2020-02-26 11:36           ` Mark Brown
2020-02-26 11:36           ` Mark Brown
2020-02-26 11:36           ` Mark Brown
2020-02-26 11:36           ` Mark Brown

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=20200220195122.GL3926@sirena.org.uk \
    --to=broonie@kernel.org \
    --cc=devicetree@vger.kernel.org \
    --cc=gch981213@gmail.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mediatek@lists.infradead.org \
    --cc=linux-mtd@lists.infradead.org \
    --cc=linux-spi@vger.kernel.org \
    --cc=mark.rutland@arm.com \
    --cc=matthias.bgg@gmail.com \
    --cc=miquel.raynal@bootlin.com \
    --cc=richard@nod.at \
    --cc=robh+dt@kernel.org \
    --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.