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Commit c9a64ea8 authored by Ben Dooks's avatar Ben Dooks Committed by Greg Kroah-Hartman
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USB: s3c-hsotg: Check for new request before enqueing new setup 



Before trying a new setup transaction after getting an EP0 in complete
interrupt, check that the driver did not try and send more EP0 IN data
before enqueing a new setup transaction.

This fixes a bug where we cannot send all of the IN data in one go
so split the transfer, but then fail to send all the data as we start
waiting for a new OUT transaction

Signed-off-by: default avatarBen Dooks <ben-linux@fluff.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 03e10e5a

drivers/usb/gadget/s3c-hsotg.c

+1 −1
Original line number Diff line number Diff line
@@ -1790,7 +1790,7 @@ static void s3c_hsotg_epint(struct s3c_hsotg *hsotg, unsigned int idx, 
		if (dir_in) {

			s3c_hsotg_complete_in(hsotg, hs_ep);



			if (idx == 0)

			if (idx == 0 && !hs_ep->req)

				s3c_hsotg_enqueue_setup(hsotg);

		} else if (using_dma(hsotg)) {

			/* We're using DMA, we need to fire an OutDone here