dmaengine Archive on lore.kernel.org
 help / color / Atom feed
From: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
To: Shawn Guo <shawnguo@kernel.org>
Cc: robh+dt@kernel.org, devicetree@vger.kernel.org,
	frowand.list@gmail.com, linux-arm-kernel@lists.infradead.org,
	linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-msm@vger.kernel.org, dmaengine@vger.kernel.org,
	etnaviv@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
	xen-devel@lists.xenproject.org, linux-tegra@vger.kernel.org,
	linux-media@vger.kernel.org, linux-pci@vger.kernel.org,
	Li Yang <leoyang.li@nxp.com>,
	mbrugger@suse.com, robin.murphy@arm.com, f.fainelli@gmail.com,
	james.quinlan@broadcom.com, wahrenst@gmx.net,
	Mark Rutland <mark.rutland@arm.com>
Subject: Re: [PATCH 07/11] dts: arm64: layerscape: add dma-ranges property to qoric-mc node
Date: Mon, 14 Oct 2019 12:00:25 +0200
Message-ID: <f6262e61f858c6f50164416f4ea816e203c0704f.camel@suse.de> (raw)
In-Reply-To: <20191014082847.GH12262@dragon>

[-- Attachment #1: Type: text/plain, Size: 1019 bytes --]

On Mon, 2019-10-14 at 16:28 +0800, Shawn Guo wrote:
> On Tue, Sep 24, 2019 at 08:12:38PM +0200, Nicolas Saenz Julienne wrote:
> > qoriq-mc's dpmacs DMA configuration is inherited from their parent node,
> > which acts a bus in this regard. So far it maked all devices as
> > dma-coherent but no dma-ranges recommendation is made.
> > 
> > The truth is that the underlying interconnect has DMA constraints, so
> > add an empty dma-ranges in qoriq-mc's node in order for DT's DMA
> > configuration code to get the DMA constraints from it.
> > 
> > Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
> 
> Updated subject prefix as 'arm64: dts: ...', and applied the patch.

Hi Shawn,
these two patches are no longer needed. This series has been superseded by this
patch[1] 951d48855d ('of: Make of_dma_get_range() work on bus nodes', available
in linux-next) which fixed the issue directly in OF code.

Sorry for the noise.

Regards,
Nicolas

[1] https://lkml.org/lkml/2019/10/8/870


[-- Attachment #2: This is a digitally signed message part --]
[-- Type: application/pgp-signature, Size: 488 bytes --]

  reply index

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-24 18:12 [PATCH 00/11] of: Fix DMA configuration for non-DT masters Nicolas Saenz Julienne
2019-09-24 18:12 ` [PATCH 01/11] of: address: clean-up unused variable in of_dma_get_range() Nicolas Saenz Julienne
2019-09-24 18:12 ` [PATCH 02/11] of: base: introduce __of_n_*_cells_parent() Nicolas Saenz Julienne
2019-09-24 18:12 ` [PATCH 03/11] of: address: use parent DT node in bus->count_cells() Nicolas Saenz Julienne
2019-09-24 18:12 ` [PATCH 04/11] of: address: introduce of_translate_dma_address_parent() Nicolas Saenz Julienne
2019-09-24 18:12 ` [PATCH 05/11] of: expose __of_get_dma_parent() to OF subsystem Nicolas Saenz Julienne
2019-09-24 18:12 ` [PATCH 06/11] of: address: use parent OF node in of_dma_get_range() Nicolas Saenz Julienne
2019-09-24 18:12 ` [PATCH 07/11] dts: arm64: layerscape: add dma-ranges property to qoric-mc node Nicolas Saenz Julienne
2019-10-14  8:28   ` Shawn Guo
2019-10-14 10:00     ` Nicolas Saenz Julienne [this message]
2019-10-14 11:09       ` Shawn Guo
2019-09-24 18:12 ` [PATCH 08/11] dts: arm64: layerscape: add dma-ranges property to pcie nodes Nicolas Saenz Julienne
2019-10-14  8:29   ` Shawn Guo
2019-09-24 18:12 ` [PATCH 09/11] of: device: remove comment in of_dma_configure() Nicolas Saenz Julienne
2019-09-24 18:12 ` [PATCH 10/11] of: device: introduce of_dma_configure_parent() Nicolas Saenz Julienne
2019-09-24 18:12 ` [PATCH 11/11] of: simplify of_dma_config()'s arguments Nicolas Saenz Julienne
2019-09-24 21:59 ` [PATCH 00/11] of: Fix DMA configuration for non-DT masters Rob Herring
2019-09-25 14:52   ` Nicolas Saenz Julienne
2019-09-25 15:09     ` Robin Murphy
2019-09-25 15:30       ` Nicolas Saenz Julienne
2019-09-25 16:16         ` Rob Herring
2019-09-25 16:52           ` Robin Murphy
2019-09-25 21:33             ` Rob Herring
2019-09-26 10:44               ` Nicolas Saenz Julienne
2019-09-26 11:20                 ` Robin Murphy
2019-10-02 18:28                   ` Florian Fainelli
2019-09-25 16:07     ` Rob Herring

Reply instructions:

You may reply publically 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=f6262e61f858c6f50164416f4ea816e203c0704f.camel@suse.de \
    --to=nsaenzjulienne@suse.de \
    --cc=devicetree@vger.kernel.org \
    --cc=dmaengine@vger.kernel.org \
    --cc=dri-devel@lists.freedesktop.org \
    --cc=etnaviv@lists.freedesktop.org \
    --cc=f.fainelli@gmail.com \
    --cc=frowand.list@gmail.com \
    --cc=james.quinlan@broadcom.com \
    --cc=leoyang.li@nxp.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-arm-msm@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-media@vger.kernel.org \
    --cc=linux-pci@vger.kernel.org \
    --cc=linux-tegra@vger.kernel.org \
    --cc=linux-wireless@vger.kernel.org \
    --cc=mark.rutland@arm.com \
    --cc=mbrugger@suse.com \
    --cc=robh+dt@kernel.org \
    --cc=robin.murphy@arm.com \
    --cc=shawnguo@kernel.org \
    --cc=wahrenst@gmx.net \
    --cc=xen-devel@lists.xenproject.org \
    /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

dmaengine Archive on lore.kernel.org

Archives are clonable:
	git clone --mirror https://lore.kernel.org/dmaengine/0 dmaengine/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 dmaengine dmaengine/ https://lore.kernel.org/dmaengine \
		dmaengine@vger.kernel.org
	public-inbox-index dmaengine

Example config snippet for mirrors

Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.kernel.vger.dmaengine


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git