linux-kernel - RE: [PATCH v3 1/2] usb: dwc3: core: configure TX/RX threshold for DWC3

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Message-ID: <608f80dc54164ef5be822890701362ad@realtek.com>
Date:   Wed, 13 Sep 2023 01:54:08 +0000
From:   Stanley Chang[昌育德] 
        <stanley_chang@...ltek.com>
To:     Thinh Nguyen <Thinh.Nguyen@...opsys.com>,
        Wesley Cheng <quic_wcheng@...cinc.com>
CC:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Felipe Balbi <balbi@...nel.org>,
        "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v3 1/2] usb: dwc3: core: configure TX/RX threshold for DWC3_IP

Hi Wesley and Thinh,

> > Aren't there value limitations for some of these (if not all)
> > settings?  For example, in the DWC3 programming guide, the max burst
> > fields say (for
> > DWC31):
> >       "Note: This field can only be set to 2, 4, 8 or 16."
> >
> > And for the packet threshold count:
> >       "Valid values are from 1 to 16."
> >
> 
> Stanley documented this in the dt binding. I think what he had written there is
> fine.
> 

Thanks for Thinh's response.

Stanley