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grstctl set fifo + flush in one assign
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@ -796,8 +796,7 @@ static void dcd_edpt_disable (uint8_t rhport, uint8_t ep_addr, bool stall)
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}
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// Flush the FIFO, and wait until we have confirmed it cleared.
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dwc2->grstctl = (epnum << GRSTCTL_TXFNUM_Pos);
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dwc2->grstctl |= GRSTCTL_TXFFLSH;
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dwc2->grstctl = ((epnum << GRSTCTL_TXFNUM_Pos) | GRSTCTL_TXFFLSH);
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while ( (dwc2->grstctl & GRSTCTL_TXFFLSH_Msk) != 0 ) {}
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}
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else
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