usb: aspeed-vhub: fix ep0 OUT ack received wrong length issue
authorNeal Liu <neal_liu@aspeedtech.com>
Wed, 8 Dec 2021 10:05:44 +0000 (18:05 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 13 Dec 2021 14:01:46 +0000 (15:01 +0100)
commitd693bbd4cbc44dac34dbf6c49c844d30f18ad0c1
tree1f0afbb34bde1987f0f8bea6c89d100e965f3b2c
parent347f3f54bd457ff76230e1d516cdd5f8235e2f5b
usb: aspeed-vhub: fix ep0 OUT ack received wrong length issue

If multiple devices in vhub are enumerated simultaneously, ep0 OUT
ack might received wrong data length. Using expected data length
instead.

Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Neal Liu <neal_liu@aspeedtech.com>
Link: https://lore.kernel.org/r/20211208100545.1441397-4-neal_liu@aspeedtech.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/gadget/udc/aspeed-vhub/ep0.c