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fotg210-udc: Fix EP0 IN requests bigger than two packets

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[ Upstream commit 078ba93565 ]

For a 134 Byte packet, it sends the first two 64 Byte packets just fine,
but then notice that less than a packet is remaining and call fotg210_done
without actually sending the rest.

Fixes: b84a8dee23 ("usb: gadget: add Faraday fotg210_udc driver")
Signed-off-by: Fabian Vogt <fabian@ritter-vogt.de>
Link: https://lore.kernel.org/r/20210324141115.9384-3-fabian@ritter-vogt.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Fabian Vogt 2021-03-24 15:11:10 +01:00 • committed by Greg Kroah-Hartman
commit 36df13916d
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/gadget/udc/fotg210-udc.c
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@ -820,7 +820,7 @@ static void fotg210_ep0in(struct fotg210_udc *fotg210)
if (req->req.length)
fotg210_start_dma(ep, req);
if ((req->req.length - req->req.actual) < ep->ep.maxpacket)
if (req->req.actual == req->req.length)
fotg210_done(ep, req, 0);
} else {
fotg210_set_cxdone(fotg210);