grstctl set fifo + flush in one assign

2022-06-01 13:18:24 +07:00
parent f452ab745e
commit 6e7cd220dc
1 changed files with 1 additions and 2 deletions
--- a/src/portable/synopsys/dwc2/dcd_dwc2.c
+++ b/src/portable/synopsys/dwc2/dcd_dwc2.c
@@ -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