Re: [PATCH v2 00/12] usb: dwc2: Add clock gating support.

[Artur Petrosyan]

Hi Greg,

On 4/13/2021 11:35, Artur Petrosyan wrote:
> This patch set adds clock gating power saving support for
> dwc2 core.
> It adds support for the following cases described by programming guide.
>    1. Enter to clock gating from USB_SUSPEND interrupt.
>    2. Clock gating entering flow by system suspend.
>    3. Clock gating exiting flow by system resume.
>    4. Exit clock gating from wakeup interrupt.
>    5. Exit clock gating from session request interrupt.
>    6. Exit clock gating when port reset is asserted.
> 
> Additional cases to exit form clock gating were needed which are not
> described in clock gating programming guide.
>    1. Added clock gating exit flow before removing driver
>    2. Exit clock gating in urb enqueue.
> 
> It updates the implementation of dwc2 entering and exiting clock
> gating when a port is suspended or resumed.
> 
> The patch set also adds the implementation of function handlers
> for entering and exiting host or device clock gating.
> 
> NOTE: This is the third patch set in the power saving mode fixes
> series.
> This patch set is part of multiple series and is continuation
> of the "usb: dwc2: Fix and improve power saving modes" patch set.
> (Patch set link: https://marc.info/?l=linux-usb&m=160379622403975&w=2).
> The patches that were included in the "usb: dwc2:
> Fix and improve power saving modes" which was submitted
> earlier was too large and needed to be split up into
> smaller patch sets.
> 
> Changes since V1:
> Re sending the patch set as v1 because vger.kernel.org rejected
> the cover letter. With error code "550 5.7.1 Content-Policy"
> No changes in the patches or the source code.
> 
> 
> Artur Petrosyan (12):
>    usb: dwc2: Add device clock gating support functions
>    usb: dwc2: Add host clock gating support functions
>    usb: dwc2: Allow entering clock gating from USB_SUSPEND interrupt
>    usb: dwc2: Add exit clock gating from wakeup interrupt
>    usb: dwc2: Add exit clock gating from session request interrupt
>    usb: dwc2: Add exit clock gating when port reset is asserted
>    usb: dwc2: Update enter clock gating when port is suspended
>    usb: dwc2: Update exit clock gating when port is resumed
>    usb: dwc2: Allow exit clock gating in urb enqueue
>    usb: dwc2: Add clock gating entering flow by system suspend
>    usb: dwc2: Add clock gating exiting flow by system resume
>    usb: dwc2: Add exit clock gating before removing driver
> 
>   drivers/usb/dwc2/core.h      |  15 ++-
>   drivers/usb/dwc2/core_intr.c |  62 ++++++++----
>   drivers/usb/dwc2/gadget.c    |  71 ++++++++++++++
>   drivers/usb/dwc2/hcd.c       | 177 +++++++++++++++++++++++++++--------
>   drivers/usb/dwc2/platform.c  |   9 ++
>   5 files changed, 272 insertions(+), 62 deletions(-)
> 
> 
> base-commit: 9bc46a12c53d8268392774172742aa9e5dd6953d
> 
This cover letter for the clock gating patches is being rejected by 
"vger.kernel.org". I have tried to send one more time as v2 but again it 
is rejected.
The error message is "vger.kernel.org
Remote Server returned '554 5.7.1 <vger.kernel.org #5.7.1 smtp; 550 
5.7.1 Content-Policy accept-into-freezer-1"

Could you please suggest any solution to this?

Regards,
Artur