Thread (11 messages) 11 messages, 3 authors, 2015-10-27

Re: [PATCH 0/4] Patches to fix remote wakeup on rk3288 dwc2 "host" port

From: Heiko Stübner <hidden>
Date: 2015-10-24 12:26:38
Also in: linux-arm-kernel, linux-rockchip, lkml

Am Freitag, 23. Oktober 2015, 11:28:07 schrieb Douglas Anderson:
The "host1" port (AKA the dwc2 port that isn't the OTG port) on rk3288
has a hardware errata that causes everything to get confused when we get
a remote wakeup.  It appears that the "port reset" bit that's in the USB
phy (located in the rk3288 GRF) fixes things up and appears safe to do.

This series of patches exports the "port reset" from the PHY and then
hooks it up to dwc2 through a quirk.

I've tested this series atop a bit of a conglomeration of Heiko's github
"somewhat stable" branch (v4.3-rc3-876-g6509232) but with Greg KH's
usb-next merged in.
I've been involved in the earlier revisions already, so this version already 
implements the review-comments I had. I've also gave this a spin on 4.3-rc6 
with usb-next merged in on a rk3288-firefly, so

Reviewed-by: Heiko Stuebner <redacted>
Tested-by: Heiko Stuebner <redacted>


If the first two patches get picked up, I'll pick the two dts patches 
afterwards.


Thanks
Heiko
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