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[PULL,37/76] char/cadence_uart: Add missing uart_update_state

Message ID 1389125052-22931-38-git-send-email-peter.maydell@linaro.org
State New
Headers show

Commit Message

Peter Maydell Jan. 7, 2014, 8:03 p.m. UTC 
From: Peter Crosthwaite <peter.crosthwaite@xilinx.com>

This should be rechecked on bus write accesses as such accesses may
change the underlying state that generates the interrupt. Particular
relevant for when the guest touches the interrupt status or mask.

Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Message-id: 1c250cd61b7b8de492fbc8b79b8370958a56d83b.1388626249.git.peter.crosthwaite@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 hw/char/cadence_uart.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/hw/char/cadence_uart.c b/hw/char/cadence_uart.c
index a7b2f21..fb9db89 100644
--- a/hw/char/cadence_uart.c
+++ b/hw/char/cadence_uart.c
@@ -403,6 +403,7 @@  static void uart_write(void *opaque, hwaddr offset,
         uart_parameters_setup(s);
         break;
     }
+    uart_update_status(s);
 }
 
 static uint64_t uart_read(void *opaque, hwaddr offset,