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grstctl set fifo + flush in one assign

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hathach 2022-06-01 13:18:24 +07:00
parent f452ab745e
commit 6e7cd220dc
1 changed files with 1 additions and 2 deletions
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3
src/portable/synopsys/dwc2/dcd_dwc2.c
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@ -796,8 +796,7 @@ static void dcd_edpt_disable (uint8_t rhport, uint8_t ep_addr, bool stall)
}
// Flush the FIFO, and wait until we have confirmed it cleared.
dwc2->grstctl = (epnum << GRSTCTL_TXFNUM_Pos);
dwc2->grstctl |= GRSTCTL_TXFFLSH;
dwc2->grstctl = ((epnum << GRSTCTL_TXFNUM_Pos) | GRSTCTL_TXFFLSH);
while ( (dwc2->grstctl & GRSTCTL_TXFFLSH_Msk) != 0 ) {}
}
else