linux-kernel - Re: [PATCH 0/6] phy: rockchip-inno-usb2: RK356x OTG fix and enhancements

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Date:   Thu, 14 Apr 2022 16:00:29 +0200
From:   Michael Riesch <michael.riesch@...fvision.net>
To:     Samuel Holland <samuel@...lland.org>,
        Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>, Heiko Stuebner <heiko@...ech.de>
Cc:     Peter Geis <pgwipeout@...il.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-phy@...ts.infradead.org, linux-rockchip@...ts.infradead.org
Subject: Re: [PATCH 0/6] phy: rockchip-inno-usb2: RK356x OTG fix and
 enhancements

Hello Samuel,

On 4/14/22 05:22, Samuel Holland wrote:
> This series gets USB OTG working on the RK356x SoCs, as used in the
> PineNote tablet.
> 
>  - Patch 1 fixes an interrupt storm issue specific to RK356x.
>  - Patches 2 and 3 are a couple of small optimizations.
>  - Patches 4 and 5 reduce the delay when unplugging from the OTG port.
>  - Patch 6 allows OTG ports to work in host mode without depending on
>    another driver to provide an extcon. The specific use case here is
>    a Type-C port controller that provides a hardware "ID pin" output.
> 
> 
> Samuel Holland (6):
>   phy: rockchip-inno-usb2: Fix muxed interrupt support
>   phy: rockchip-inno-usb2: Do not check bvalid twice
>   phy: rockchip-inno-usb2: Do not lock in bvalid IRQ handler
>   phy: rockchip-inno-usb2: Support multi-bit mask properties
>   phy: rockchip-inno-usb2: Handle bvalid falling
>   phy: rockchip-inno-usb2: Handle ID IRQ
> 
>  drivers/phy/rockchip/phy-rockchip-inno-usb2.c | 125 +++++++++++++++---
>  1 file changed, 105 insertions(+), 20 deletions(-)

Thanks a lot! This series fixes the USB gadget operation of my RK356x
boards.

With suitable DTS changes, the zero gadget module, and usbtest

Tested-by: Michael Riesch <michael.riesch@...fvision.net>

on a RK3568 EVB1 and a Rock 3 Model A.

Best regards,
Michael