linux-kernel - [PATCH v6 14/33] dt-bindings: usb: xhci: Add num-hc-interrupters definition

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20230916001026.315-15-quic_wcheng@quicinc.com>
Date:   Fri, 15 Sep 2023 17:10:07 -0700
From:   Wesley Cheng <quic_wcheng@...cinc.com>
To:     <mathias.nyman@...el.com>, <gregkh@...uxfoundation.org>,
        <lgirdwood@...il.com>, <broonie@...nel.org>, <perex@...ex.cz>,
        <tiwai@...e.com>, <agross@...nel.org>, <andersson@...nel.org>,
        <konrad.dybcio@...aro.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <srinivas.kandagatla@...aro.org>, <bgoswami@...cinc.com>,
        <Thinh.Nguyen@...opsys.com>
CC:     <linux-kernel@...r.kernel.org>, <linux-usb@...r.kernel.org>,
        <alsa-devel@...a-project.org>, <linux-arm-msm@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        Wesley Cheng <quic_wcheng@...cinc.com>
Subject: [PATCH v6 14/33] dt-bindings: usb: xhci: Add num-hc-interrupters definition

Add the definition for how many interrupts the XHCI host controller should
allocate.  XHCI can potentially support up to 1024 interrupters, which
implementations may want to limit.

Signed-off-by: Wesley Cheng <quic_wcheng@...cinc.com>
---
 Documentation/devicetree/bindings/usb/usb-xhci.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/usb-xhci.yaml b/Documentation/devicetree/bindings/usb/usb-xhci.yaml
index 180a261c3e8f..4238ae896ef6 100644
--- a/Documentation/devicetree/bindings/usb/usb-xhci.yaml
+++ b/Documentation/devicetree/bindings/usb/usb-xhci.yaml
@@ -29,6 +29,12 @@ properties:
     description: Interrupt moderation interval
     default: 5000
 
+  num-hc-interrupters:
+    description: Maximum number of interrupters to allocate
+    $ref: /schemas/types.yaml#/definitions/uint16
+    minimum: 1
+    maximum: 1024
+
 additionalProperties: true
 
 examples: