From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>,
linux-usb@vger.kernel.org
Cc: balbi@kernel.org, Joel Stanley <joel@jms.id.au>,
Alan Stern <stern@rowland.harvard.edu>
Subject: Re: [PATCH 02/10] usb: gadget: aspeed: Cleanup EP0 state on port reset
Date: Sat, 06 Jul 2019 22:34:43 +1000 [thread overview]
Message-ID: <2748681b2967d3fe99a83606432ae63e1cd8ee52.camel@kernel.crashing.org> (raw)
In-Reply-To: <6e554955-6a4f-06b1-82b3-982e5e299d19@cogentembedded.com>
On Sat, 2019-07-06 at 11:11 +0300, Sergei Shtylyov wrote:
> Hello!
>
> On 06.07.2019 3:53, Benjamin Herrenschmidt wrote:
>
> > Otherwise, we can have a stale state after a disconnect and
> > reconnect
> > causing errors on the first SETUP packet to the device.
> >
> > Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
>
> [...]
> > diff --git a/drivers/usb/gadget/udc/aspeed-vhub/ep0.c
> > b/drivers/usb/gadget/udc/aspeed-vhub/ep0.c
> > index e2927fb083cf..5054c6343ead 100644
> > --- a/drivers/usb/gadget/udc/aspeed-vhub/ep0.c
> > +++ b/drivers/usb/gadget/udc/aspeed-vhub/ep0.c
> > @@ -459,6 +459,15 @@ static const struct usb_ep_ops
> > ast_vhub_ep0_ops = {
> > .free_request = ast_vhub_free_request,
> > };
> >
> > +void ast_vhub_reset_ep0(struct ast_vhub_dev *dev)
> > +{
> > + struct ast_vhub_ep *ep = &dev->ep0;
> > +
> > + ast_vhub_nuke(ep, -EIO);
> > + ep->ep0.state = ep0_state_token;
>
> This line is indented with spaces, previous with a tab.
Thanks, will clean up.
Cheers,
Ben.
>
> > +}
> > +
> > +
> > void ast_vhub_init_ep0(struct ast_vhub *vhub, struct ast_vhub_ep
> > *ep,
> > struct ast_vhub_dev *dev)
> > {
>
> [...]
>
> MBR, Sergei
next prev parent reply other threads:[~2019-07-06 12:35 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-06 0:53 [PATCH 00/10] usb: gadget: aspeed: Bug fixes Benjamin Herrenschmidt
2019-07-06 0:53 ` [PATCH 01/10] usb: gadget: aspeed: Don't set port enable change bit on reset Benjamin Herrenschmidt
2019-07-06 0:53 ` [PATCH 02/10] usb: gadget: aspeed: Cleanup EP0 state on port reset Benjamin Herrenschmidt
2019-07-06 8:11 ` Sergei Shtylyov
2019-07-06 12:34 ` Benjamin Herrenschmidt [this message]
2019-07-06 0:53 ` [PATCH 03/10] usb: gadget: aspeed: Fix EP0 stall handling Benjamin Herrenschmidt
2019-07-06 0:53 ` [PATCH 04/10] usb: gadget: aspeed: Improve debugging when nuking Benjamin Herrenschmidt
2019-07-06 0:53 ` [PATCH 05/10] usb: gadget: aspeed: Don't reject requests on suspended devices Benjamin Herrenschmidt
2019-07-06 0:53 ` [PATCH 06/10] usb: gadget: aspeed: Check suspend/resume callback existence Benjamin Herrenschmidt
2019-07-06 0:53 ` [PATCH 07/10] usb: gadget: aspeed: Rework the reset logic Benjamin Herrenschmidt
2019-07-06 0:53 ` [PATCH 08/10] usb: gadget: aspeed: Remove unused "suspended" flag Benjamin Herrenschmidt
2019-07-06 0:53 ` [PATCH 09/10] usb: Add definitions for the USB2.0 hub TT requests Benjamin Herrenschmidt
2019-07-06 0:53 ` [PATCH 10/10] usb: gadget: aspeed: Implement dummy " Benjamin Herrenschmidt
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