Re: [PATCH 0/2] ARM: sunxi: Fix USB host init fail on v5.1-rc1

[Maxime Ripard]

On Fri, Mar 22, 2019 at 04:51:06PM +0800, Chen-Yu Tsai wrote:
> From: Chen-Yu Tsai <wens@xxxxxxxx>
>
> Hi everyone,
>
> As previously reported [1], USB EHCI/OHCI hosts are broken on Allwinner
> SoCs on v5.1-rc1. This is partially triggered by commit b97a31348379
> ("usb: core: comply to PHY framework"), and partially due to how the
> Allwinner USB PHY driver handles phy_set_mode for non-OTG PHYs.
>
> This series fixes this in both places.
>
> Patch 1 makes phy-sun4i-usb accept PHY_MODE_USB_HOST for non-OTG PHYs.
>
> Patch 2 makes the usb core fall back to setting the mode
> PHY_MODE_USB_HOST if set_mode with PHY_MODE_USB_HOST_SS fails. If that
> fails then the failure path is the same as before. This should make it
> so existing USB 3.0 drivers are affected.
>
> The patches don't have any dependencies on each other, and could go in
> through separate branches. However this affects usability of USB input
> devices and Ethernet dongles, I'd rather they go in sooner than later.

Acked-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxx>

Maxime

--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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