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From: mathias.nyman@intel.com (Mathias Nyman)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v7 4/5] xhci: mediatek: support MTK xHCI host controller
Date: Tue, 08 Sep 2015 13:45:07 +0300	[thread overview]
Message-ID: <55EEBC33.5030906@intel.com> (raw)
In-Reply-To: <1441693083-8440-5-git-send-email-chunfeng.yun@mediatek.com>

Hi

On 08.09.2015 09:18, Chunfeng Yun wrote:
> There some vendor quirks for MTK xhci host controller:
> 1. It defines some extra SW scheduling parameters for HW
>    to minimize the scheduling effort for synchronous and
>    interrupt endpoints. The parameters are put into reseved
>    DWs of slot context and endpoint context.
> 2. Its IMODI unit for Interrupter Moderation register is
>    8 times as much as that defined in xHCI spec.
> 3. Its TDS in  Normal TRB defines a number of packets that
>    remains to be transferred for a TD after processing all
>    Max packets in all previous TRBs.
>

I just rewrote and unified the the xhci TD remainder functions,
now we got only one xhci_td_remainder() function which should
be more suitable for quirks.

You can add the quirk directly to it, no need to duplicate the
whole function.

-Mathias

  reply	other threads:[~2015-09-08 10:45 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-08  6:17 [PATCH v7 0/5] Mediatek xHCI support Chunfeng Yun
2015-09-08  6:17 ` [PATCH v7 1/5] dt-bindings: Add usb3.0 phy binding for MT65xx SoCs Chunfeng Yun
2015-09-09  0:16   ` Rob Herring
2015-09-11  3:34     ` chunfeng yun
2015-09-09 13:58   ` Rob Herring
2015-09-08  6:18 ` [PATCH v7 2/5] dt-bindings: Add a binding for Mediatek xHCI host controller Chunfeng Yun
2015-09-09  0:30   ` Rob Herring
2015-09-11  3:39     ` chunfeng yun
2015-09-08  6:18 ` [PATCH v7 3/5] usb: phy: add usb3.0 phy driver for mt65xx SoCs Chunfeng Yun
2015-09-08  6:18 ` [PATCH v7 4/5] xhci: mediatek: support MTK xHCI host controller Chunfeng Yun
2015-09-08 10:45   ` Mathias Nyman [this message]
2015-09-08  6:18 ` [PATCH v7 5/5] arm64: dts: mediatek: add xHCI & usb phy for mt8173 Chunfeng Yun

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