Pratyush Anand 0416e494ce
usb: dwc3: ep0: correct cache sync issue in case of ep0_bounced ...
In case of ep0 out, if length is not aligned to maxpacket size then we use
dwc->ep_bounce_addr for dma transfer and not request->dma. Since, we have
alreday done memcpy from dwc->ep0_bounce to request->buf, so we do not need to
issue cache sync function. In fact, cache sync function will bring wrong data
in request->buf from request->dma in this scenario.
So, cache sync function must not be executed in case of ep0 bounced.
Cc: <stable@vger.kernel.org > # v3.4 v3.5
Signed-off-by: Pratyush Anand <pratyush.anand@st.com >
Signed-off-by: Felipe Balbi <balbi@ti.com >
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0416e494ce