linux-kernel - Re: [PATCH v3 5/5] arm64: dts: ti: k3-am62*: Add PHY2 region to USB wrapper node

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Date: Fri, 12 Apr 2024 14:39:56 +0300
From: Roger Quadros <rogerq@...nel.org>
To: Francesco Dolcini <francesco@...cini.it>
Cc: nm@...com, vigneshr@...com, afd@...com, kristo@...nel.org,
 robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
 srk@...com, r-gunasekaran@...com, b-liu@...com,
 linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 5/5] arm64: dts: ti: k3-am62*: Add PHY2 region to USB
 wrapper node

Hi Francesco,

On 08/04/2024 12:52, Francesco Dolcini wrote:
> Hello Roger,
> 
> On Thu, Feb 01, 2024 at 02:03:32PM +0200, Roger Quadros wrote:
>> Add PHY2 register space to USB wrapper node. This is required
>> to deal with Errata i2409.
>>
>> Signed-off-by: Roger Quadros <rogerq@...nel.org>
> 
> What's the status/plan for this? v6.9-rc misses it and therefore we have
> this error in the logs (and of course, we miss the workaround).

I will send the fix for this for v6.9+.

> 
> [    0.583305] dwc3-am62 f910000.dwc3-usb: invalid resource (null)
> [    0.589304] dwc3-am62 f910000.dwc3-usb: can't map PHY IOMEM resource. Won't apply i2409 fix.
> 
> Apart for the error message, the change here seems required for the
> hardware to properly function (IOW IMHO it should be back-ported to stable).
> 
> Francesco
> 

-- 
cheers,
-roger