On the ATEVK1100 (with an ATUC3A0512ES CPU), USART interrupts appear to be
enabled after reset.
Signed-off-by: Gunnar Rangoy <[EMAIL PROTECTED]>
Signed-off-by: Paul Driveklepp <[EMAIL PROTECTED]>
Signed-off-by: Olav Morken <[EMAIL PROTECTED]>
---
drivers/serial/atmel_usart.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/drivers/serial/atmel_usart.c b/drivers/serial/atmel_usart.c
index f3b146c..a358871 100644
--- a/drivers/serial/atmel_usart.c
+++ b/drivers/serial/atmel_usart.c
@@ -58,6 +58,9 @@ int serial_init(void)
{
usart3_writel(CR, USART3_BIT(RSTRX) | USART3_BIT(RSTTX));
+ /* Make sure that all interrupts are disabled during startup. */
+ usart3_writel(IDR, 0xffffffff);
+
serial_setbrg();
usart3_writel(CR, USART3_BIT(RXEN) | USART3_BIT(TXEN));
--
1.6.0.2
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