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overwrite grstctl on edpt_disable #1454

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merged 2 commits into from
Jun 1, 2022
Merged

overwrite grstctl on edpt_disable #1454

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f452ab7
overwrite grstctl on edpt_disable
Iktek May 3, 2022
6e7cd22
grstctl set fifo + flush in one assign
hathach Jun 1, 2022
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3 changes: 1 addition & 2 deletions src/portable/synopsys/dwc2/dcd_dwc2.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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
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