From: Rob Herring <robh@kernel.org>
To: Naveen Kumar <mnkumar@google.com>
Cc: Mathias Nyman <mathias.nyman@intel.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
royluo@google.com, devicetree@vger.kernel.org
Subject: Re: [PATCH RESEND 2/2] dt-bindings: usb: add no-64-bit-support property
Date: Mon, 6 Nov 2023 08:44:56 -0600 [thread overview]
Message-ID: <20231106144456.GA315331-robh@kernel.org> (raw)
In-Reply-To: <20231101101625.4151442-3-mnkumar@google.com>
On Wed, Nov 01, 2023 at 10:16:25AM +0000, Naveen Kumar wrote:
> From: Naveen Kumar M <mnkumar@google.com>
>
> Add a new DT option to specify whether a host controller is able to
> support 64-bit DMA memory pointers
>
> Signed-off-by: Naveen Kumar M <mnkumar@google.com>
> ---
> Documentation/devicetree/bindings/usb/usb-xhci.yaml | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/usb/usb-xhci.yaml b/Documentation/devicetree/bindings/usb/usb-xhci.yaml
> index 180a261c3e8f..20dc134004f3 100644
> --- a/Documentation/devicetree/bindings/usb/usb-xhci.yaml
> +++ b/Documentation/devicetree/bindings/usb/usb-xhci.yaml
> @@ -25,6 +25,10 @@ properties:
> description: Set if the controller has broken port disable mechanism
> type: boolean
>
> + quirk-no-64-bit-support:
> + description: Set if the xHC doesn't support 64-bit DMA memory pointers
> + type: boolean
To add on to this, you can handle this with dma-ranges if you need to
limit DMA addresses to less than 32-bits.
Rob
prev parent reply other threads:[~2023-11-06 14:45 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-01 10:16 [PATCH RESEND 0/2] Add a quirk in xhci-plat for parent nodes to specify no 64 bit support Naveen Kumar
2023-11-01 10:16 ` [PATCH RESEND 1/2] usb: host: xhci-plat: Add quirk-no-64-bit-support Naveen Kumar
2023-11-01 10:16 ` [PATCH RESEND 2/2] dt-bindings: usb: add no-64-bit-support property Naveen Kumar
2023-11-01 10:38 ` Conor Dooley
2023-11-01 11:26 ` Krzysztof Kozlowski
2023-11-06 14:44 ` Rob Herring [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=20231106144456.GA315331-robh@kernel.org \
--to=robh@kernel.org \
--cc=conor+dt@kernel.org \
--cc=devicetree@vger.kernel.org \
--cc=gregkh@linuxfoundation.org \
--cc=krzysztof.kozlowski+dt@linaro.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-usb@vger.kernel.org \
--cc=mathias.nyman@intel.com \
--cc=mnkumar@google.com \
--cc=royluo@google.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).