Re: [PATCH 0/4] usb: dwc2: fix host mode external vbus supply management

[Minas Harutyunyan]

On 9/5/2018 3:40 PM, Amelie Delaunay wrote:
> This patchset fixes and improves host mode external vbus supply management,
> mainly around suspend/resume use cases. It also avoid 'vbus regulator"
> to be requested lots of times upon each call to dwc2_vbus_supply_init(),
> especially when pm runtime is enabled.
> 
> Fabrice Gasnier (4):
>    usb: dwc2: get optional vbus-supply regulator once
>    usb: dwc2: fix a race with external vbus supply
>    usb: dwc2: fix call to vbus supply exit routine, call it unlocked
>    usb: dwc2: fix unbalanced use of external vbus-supply
> 
>   drivers/usb/dwc2/hcd.c      | 45 ++++++++++++++++++++++++++++++++++-----------
>   drivers/usb/dwc2/platform.c |  8 ++++++++
>   2 files changed, 42 insertions(+), 11 deletions(-)
> 
Tested-by: Artur Petrosyan <arturp@xxxxxxxxxxxx>
Acked-by: Minas Harutyunyan <hminas@xxxxxxxxxxxx>