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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: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Ben Dooks 2010-07-19 09:40:46 +01:00 committed by Greg Kroah-Hartman
parent 03e10e5ab5
commit c9a64ea884
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/gadget/s3c-hsotg.c
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@ -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