Re: [PATCH v3 0/2] Disable mass storage endpoints during disconnect

From: Alan Stern
Date: Wed Oct 27 2021 - 16:14:42 EST


On Wed, Oct 27, 2021 at 01:10:05PM -0700, Wesley Cheng wrote:
> Changes in v3:
> - Modify statement for usb_ep_enable().
> - Add explicit statement mentioning that APIs can be called in atomic context.
>
> Changes in v2:
> - Revised comments for usb_ep_disable() as it should be safe to be
> executed in atomic contexts as well. Other FDs are currently
> calling ep disable during the disconnect event as well.
>
> This series calls the usb_ep_disable() API directly from fsg_disable()
> as there is a possibility that UDCs that support runtime PM may
> already be in a suspended state, leading to HW access while resources
> are disabled.
>
> Wesley Cheng (2):
> usb: gadget: udc: core: Revise comments for USB ep enable/disable
> usb: gadget: f_mass_storage: Disable eps during disconnect
>
> drivers/usb/gadget/function/f_mass_storage.c | 10 ++++++++++
> drivers/usb/gadget/udc/core.c | 4 ++--
> 2 files changed, 12 insertions(+), 2 deletions(-)

For both patches:

Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>