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Re: [PATCH] usb: ehci-platform: increase EHCI_MAX_RSTS to 4

From Masahiro Yamada <yamada.masahiro@socionext.com>
Newsgroups linux.kernel
Subject Re: [PATCH] usb: ehci-platform: increase EHCI_MAX_RSTS to 4
Date 2016-10-17 15:10 +0200
Message-ID <stfPX-3TZ-15@gated-at.bofh.it> (permalink)
References <ste7v-2Kh-1@gated-at.bofh.it> <stfmW-3uj-23@gated-at.bofh.it>
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Hi Greg,


2016-10-17 21:30 GMT+09:00 Greg Kroah-Hartman <gregkh@linuxfoundation.org>:
> On Mon, Oct 17, 2016 at 08:11:59PM +0900, Masahiro Yamada wrote:
>> Socionext LD11 SoC (arch/arm64/boot/dts/socionext/uniphier-ld11.dtsi)
>> needs to handle 4 reset lines for EHCI.
>
> Why?  What makes it different from other EHCI implementations?
>
> thanks,
>
> greg k-h


This is a generic EHCI driver, but the number of clocks/resets
are SoC-specific.



The following patch you picked up will remind you something?



commit 73577d61799e8d8bb7d69a9acdc54923e5998138
Author: Icenowy Zheng <icenowy@aosc.xyz>
Date:   Fri Aug 12 11:06:22 2016 +0800

    ehci-platform: add the max clock number to 4

    Allwinner A64 EHCI requires 4 clocks to be enabled.

    Signed-off-by: Icenowy Zheng <icenowy@aosc.xyz>
    Acked-by: Alan Stern <stern@rowland.harvard.edu>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>






-- 
Best Regards
Masahiro Yamada

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[PATCH] usb: ehci-platform: increase EHCI_MAX_RSTS to 4 Masahiro Yamada <yamada.masahiro@socionext.com> - 2016-10-17 13:20 +0200
  Re: [PATCH] usb: ehci-platform: increase EHCI_MAX_RSTS to 4 Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-17 14:40 +0200
    Re: [PATCH] usb: ehci-platform: increase EHCI_MAX_RSTS to 4 Masahiro Yamada <yamada.masahiro@socionext.com> - 2016-10-17 15:10 +0200

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