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From: Wesley Cheng <quic_wcheng@quicinc.com>
To: <mathias.nyman@intel.com>, <gregkh@linuxfoundation.org>,
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Wesley Cheng <quic_wcheng@quicinc.com>
Subject: [PATCH v6 14/33] dt-bindings: usb: xhci: Add num-hc-interrupters
definition
Date: Fri, 15 Sep 2023 17:10:07 -0700
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| Series |
Introduce QC USB SND audio offloading support
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Commit Message
Wesley Cheng
Sept. 16, 2023, 12:10 a.m. UTC
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@quicinc.com>
---
Documentation/devicetree/bindings/usb/usb-xhci.yaml | 6 ++++++
1 file changed, 6 insertions(+)
Comments
On Fri, 15 Sep 2023 17:10:07 -0700, Wesley Cheng wrote: > 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@quicinc.com> > --- > Documentation/devicetree/bindings/usb/usb-xhci.yaml | 6 ++++++ > 1 file changed, 6 insertions(+) > Reviewed-by: Rob Herring <robh@kernel.org>
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: