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| author | Ben Dooks <ben-linux@fluff.org> | 2010-07-19 09:40:46 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-08-10 14:35:42 -0700 |
| commit | c9a64ea884b8b40d70077ffe1e93081f2190f072 (patch) | |
| tree | 32ed05e79acbd4165b504c5e0b434dbcd3ac533a | |
| parent | 03e10e5ab5ba6511ddaf80085cf08c62e9336fa5 (diff) | |
| download | linux-c9a64ea884b8b40d70077ffe1e93081f2190f072.tar.bz2 | |
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>
| -rw-r--r-- | drivers/usb/gadget/s3c-hsotg.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c index df6a39d6270f..10aeee145eea 100644 --- a/drivers/usb/gadget/s3c-hsotg.c +++ b/drivers/usb/gadget/s3c-hsotg.c @@ -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 |