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/rk3399_rockchip-uboot/drivers/usb/dwc3/
H A Dgadget.c3a9207743d9dd0e2c2a4a6af4d84e0f10f03cd0f Wed Oct 02 12:19:14 UTC 2019 Marek Szyprowski <m.szyprowski@samsung.com> UPSTREAM: dwc3: flush cache only if there is a buffer attached to a request

Calling cache flush on invalid buffer, even with zero length might cause
an exception on certain platforms.

Change-Id: Idf8e2c87a24c80627279faa69430881d5c2c6800
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Frank Wang <frank.wang@rock-chips.com>
(cherry picked from commit fd15b58c1a9a61edcdeef8ce1eb4df2442295f58)