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authorPaul Zimmerman <Paul.Zimmerman@synopsys.com>2012-02-17 14:10:16 -0800
committerFelipe Balbi <balbi@ti.com>2012-03-02 12:12:05 +0200
commit9bafa56c7cee5c6fa68de5924220abb220c7e229 (patch)
treeddc574916646b889d289e2c36ddf7aab37a54717 /drivers/usb/dwc3
parent27a78d6a283d6782438f72306746afe4bf44c215 (diff)
usb: dwc3: fix bogus test in dwc3_gadget_start_isoc
Zero is a valid value for a microframe number. So remove the bogus test for non-zero in dwc3_gadget_start_isoc(). Cc: stable@vger.kernel.org Signed-off-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/dwc3')
-rw-r--r--drivers/usb/dwc3/gadget.c16
1 files changed, 5 insertions, 11 deletions
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 60b75c302aa4..fac11491850f 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1656,7 +1656,7 @@ static void dwc3_endpoint_transfer_complete(struct dwc3 *dwc,
static void dwc3_gadget_start_isoc(struct dwc3 *dwc,
struct dwc3_ep *dep, const struct dwc3_event_depevt *event)
{
- u32 uf;
+ u32 uf, mask;
if (list_empty(&dep->request_list)) {
dev_vdbg(dwc->dev, "ISOC ep %s run out for requests.\n",
@@ -1664,16 +1664,10 @@ static void dwc3_gadget_start_isoc(struct dwc3 *dwc,
return;
}
- if (event->parameters) {
- u32 mask;
-
- mask = ~(dep->interval - 1);
- uf = event->parameters & mask;
- /* 4 micro frames in the future */
- uf += dep->interval * 4;
- } else {
- uf = 0;
- }
+ mask = ~(dep->interval - 1);
+ uf = event->parameters & mask;
+ /* 4 micro frames in the future */
+ uf += dep->interval * 4;
__dwc3_gadget_kick_transfer(dep, uf, 1);
}