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Date: Sat, 21 Nov 2015 10:42:37 +0800 From: chunfeng yun <chunfeng.yun@...iatek.com> To: Mathias Nyman <mathias.nyman@...el.com> CC: Rob Herring <robh+dt@...nel.org>, Mark Rutland <mark.rutland@....com>, Matthias Brugger <matthias.bgg@...il.com>, Felipe Balbi <balbi@...com>, Sascha Hauer <s.hauer@...gutronix.de>, <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>, "Roger Quadros" <rogerq@...com>, <linux-usb@...r.kernel.org>, <linux-mediatek@...ts.infradead.org>, John Crispin <blogic@...nwrt.org>, Daniel Kurtz <djkurtz@...omium.org>, Sergei Shtylyov <sergei.shtylyov@...entembedded.com>, Pawel Moll <pawel.moll@....com>, "Ian Campbell" <ijc+devicetree@...lion.org.uk>, Kumar Gala <galak@...eaurora.org>, Greg Kroah-Hartman <gregkh@...uxfoundation.org> Subject: Re: [PATCH v12 0/3] Mediatek xHCI support Hi, On Fri, 2015-11-20 at 13:20 +0200, Mathias Nyman wrote: > On 17.11.2015 11:18, Chunfeng Yun wrote: > > From 577f68d9c0ca1531d5f9cae0dcbea2ba116c8551 Mon Sep 17 00:00:00 2001 > > From: Chunfeng Yun <chunfeng.yun@...iatek.com> > > Date: Tue, 17 Nov 2015 17:09:05 +0800 > > Subject: [PATCH v12 0/3] Mediatek xHCI support > > > > The patch supports MediaTek's xHCI controller. > > > > There are some differences from xHCI spec: > > 1. The interval is specified in 250 * 8ns increments for Interrupt Moderation > > Interval(IMODI) of the Interrupter Moderation(IMOD) register, it is 8 times as > > much as that defined in xHCI spec. > > > > 2. For the value of TD Size in Normal TRB, MTK's xHCI controller defines a > > number of packets that remain to be transferred for a TD after processing all > > Max packets in all previous TRBs,that means don't include the current TRB's, > > but in xHCI spec it includes the current ones. > > > > 3. To minimize the scheduling effort for synchronous endpoints in xHC, the MTK > > architecture defines some extra SW scheduling parameters for HW. According to > > these parameters provided by SW, the xHC can easily decide whether a > > synchronous endpoint should be scheduled in a specific uFrame. The extra SW > > scheduling parameters are put into reserved DWs in Slot and Endpoint Context. > > And a bandwidth scheduler algorithm is added to support such feature. > > > > A usb3.0 phy driver is also added which used by mt65xx SoCs platform, it > > supports two usb2.0 ports and one usb3.0 port. > > > > Added to my tree, I'll send it forward to Greg shortly > > Fixed the documentation "wakeup_deb_p0" -> "wakeup_deb_p1" typo as well Thank you very much. > > -Mathias > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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