Messages in this thread Patch in this message | | | From | Kishon Vijay Abraham I <> | Subject | [PATCH v2 2/6] usb: dwc3: ep0: use _roundup_ to calculate the transfer size | Date | Fri, 24 Jul 2015 12:17:12 +0530 |
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No functional change. Used _roundup_ macro to calculate the transfer size aligned to maxpacket in dwc3_ep0_complete_data. It also makes it similar to how transfer size is calculated in __dwc3_ep0_do_control_data.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> --- drivers/usb/dwc3/ep0.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index 8858c60..713e46a 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -812,10 +812,8 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc, length = trb->size & DWC3_TRB_SIZE_MASK; if (dwc->ep0_bounced) { - unsigned transfer_size = ur->length; unsigned maxp = ep0->endpoint.maxpacket; - - transfer_size += (maxp - (transfer_size % maxp)); + unsigned transfer_size = roundup(ur->length, maxp); /* Maximum of DWC3_EP0_BOUNCE_SIZE can only be received */ if (transfer_size > DWC3_EP0_BOUNCE_SIZE) -- 1.7.9.5
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