[PATCH] usb: ehci-platform: increase EHCI_MAX_RSTS to 4
Masahiro Yamada
yamada.masahiro at socionext.com
Mon Oct 17 05:59:48 PDT 2016
Hi Greg,
2016-10-17 21:30 GMT+09:00 Greg Kroah-Hartman <gregkh at 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 at 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 at aosc.xyz>
Acked-by: Alan Stern <stern at rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
--
Best Regards
Masahiro Yamada
More information about the linux-arm-kernel
mailing list