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@@ -3455,16 +3455,24 @@ static void dwc2_gadget_handle_incomplete_isoc_out(struct dwc2_hsotg *hsotg)
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{
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u32 gintsts;
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u32 gintmsk;
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+ u32 daintmsk;
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u32 epctrl;
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struct dwc2_hsotg_ep *hs_ep;
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int idx;
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dev_dbg(hsotg->dev, "%s: GINTSTS_INCOMPL_SOOUT\n", __func__);
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+ daintmsk = dwc2_readl(hsotg->regs + DAINTMSK);
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+ daintmsk >>= DAINT_OUTEP_SHIFT;
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+
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for (idx = 1; idx <= hsotg->num_of_eps; idx++) {
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hs_ep = hsotg->eps_out[idx];
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+ /* Proceed only unmasked ISOC EPs */
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+ if (!hs_ep->isochronous || (BIT(idx) & ~daintmsk))
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+ continue;
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+
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epctrl = dwc2_readl(hsotg->regs + DOEPCTL(idx));
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- if ((epctrl & DXEPCTL_EPENA) && hs_ep->isochronous &&
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+ if ((epctrl & DXEPCTL_EPENA) &&
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dwc2_gadget_target_frame_elapsed(hs_ep)) {
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/* Unmask GOUTNAKEFF interrupt */
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gintmsk = dwc2_readl(hsotg->regs + GINTMSK);
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@@ -3472,8 +3480,10 @@ static void dwc2_gadget_handle_incomplete_isoc_out(struct dwc2_hsotg *hsotg)
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dwc2_writel(gintmsk, hsotg->regs + GINTMSK);
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gintsts = dwc2_readl(hsotg->regs + GINTSTS);
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- if (!(gintsts & GINTSTS_GOUTNAKEFF))
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+ if (!(gintsts & GINTSTS_GOUTNAKEFF)) {
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__orr32(hsotg->regs + DCTL, DCTL_SGOUTNAK);
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+ break;
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+ }
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}
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}
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