Merge branch 'pm-cpufreq-sched' into pm-cpufreq

[cascardo/linux.git] / drivers / usb / dwc3 / gadget.c

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 1f5597e..7a8d3d8 100644 (file)
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -884,12 +884,9 @@ static u32 dwc3_calc_trbs_left(struct dwc3_ep *dep)
                return DWC3_TRB_NUM - 1;
        }
 
-       trbs_left = dep->trb_dequeue - dep->trb_enqueue;
+       trbs_left = dep->trb_dequeue - dep->trb_enqueue - 1;
        trbs_left &= (DWC3_TRB_NUM - 1);
 
-       if (dep->trb_dequeue < dep->trb_enqueue)
-               trbs_left--;
-
        return trbs_left;
 }
 
@@ -1433,7 +1430,7 @@ static int dwc3_gadget_get_frame(struct usb_gadget *g)
 
 static int __dwc3_gadget_wakeup(struct dwc3 *dwc)
 {
-       unsigned long           timeout;
+       int                     retries;
 
        int                     ret;
        u32                     reg;
@@ -1484,9 +1481,9 @@ static int __dwc3_gadget_wakeup(struct dwc3 *dwc)
        }
 
        /* poll until Link State changes to ON */
-       timeout = jiffies + msecs_to_jiffies(100);
+       retries = 20000;
 
-       while (!time_after(jiffies, timeout)) {
+       while (retries--) {
                reg = dwc3_readl(dwc->regs, DWC3_DSTS);
 
                /* in HS, means ON */