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From: Olivier Houchard <cognet@FreeBSD.org>
To: Perforce Change Reviews <perforce@freebsd.org>
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Subject: PERFORCE change 93811 for review
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http://perforce.freebsd.org/chv.cgi?CH=93811

Change 93811 by cognet@cognet on 2006/03/22 21:09:31

	We have to reset the error bits once we handled the break.

Affected files ...

.. //depot/projects/arm/src/sys/arm/at91/uart_dev_at91usart.c#13 edit

Differences ...

==== //depot/projects/arm/src/sys/arm/at91/uart_dev_at91usart.c#13 (text+ko) ====

@@ -366,8 +366,12 @@
 		ipend |= SER_INT_TXIDLE;
 	if (csr & USART_CSR_RXRDY)
 		ipend |= SER_INT_RXREADY;
-	if (csr & USART_CSR_RXBRK)
+	if (csr & USART_CSR_RXBRK) {
+		unsigned int cr = USART_CR_RSTSTA;
+
 		ipend |= SER_INT_BREAK;
+		uart_setreg(&sc->sc_bas, USART_CR, cr);
+	}
 	mtx_unlock_spin(&sc->sc_hwmtx);
 	return (ipend);
 }