linux-kernel - RE: [PATCH v4 3/3] USB3/DWC3: Enable undefined length INCR burst type

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Message-ID: <DB5PR0401MB1813AAB5AA84B0B310ED1B10FE440@DB5PR0401MB1813.eurprd04.prod.outlook.com>
Date:   Fri, 10 Feb 2017 15:30:26 +0000
From:   Jerry Huang <jerry.huang@....com>
To:     Felipe Balbi <balbi@...nel.org>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "catalin.marinas@....com" <catalin.marinas@....com>
CC:     "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        Rajesh Bhagat <rajesh.bhagat@....com>
Subject: RE: [PATCH v4 3/3] USB3/DWC3: Enable undefined length INCR burst type

> >> --
> >> 1.7.9.5
> > Hi, Balbi and all guys,
> > Any comment for these patches? Can they be accepted?
> 
> Rob had comments which you didn't reply yet. I cannot take this patchset
> yet ;-)
> 
Balbi,
I look into his mail again, which was based v3, and I replied it.
He had different understanding for undefined length burst mode.
It seems he think for this mode, just setting bit[0] (INCRBrstEna) and don't need to set other field.
However, according to the DWC USB3.0 controller databook, when it is undefined length INCR burst mode, we still need to set one max burst type, such as INCR8, which means controller will use any length less than or equal to this INCR8.