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[PULL,17/20] hw/char/exynos4210_uart: Implement post_load function

Message ID 20200123153041.4248-18-peter.maydell@linaro.org
State New
Headers show
Series [PULL,01/20] target/arm: add PMU feature to cortex-r5 and cortex-r5f | expand

Commit Message

Peter Maydell Jan. 23, 2020, 3:30 p.m. UTC 
From: Guenter Roeck <linux@roeck-us.net>

After restoring a VM, serial parameters need to be updated to reflect
restored register values. Implement a post_load function to handle this
situation.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Message-id: 20200123052540.6132-6-linux@roeck-us.net
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 hw/char/exynos4210_uart.c | 10 ++++++++++
 1 file changed, 10 insertions(+)
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Patch

diff --git a/hw/char/exynos4210_uart.c b/hw/char/exynos4210_uart.c
index b3199df865e..6ffbaddfff1 100644
--- a/hw/char/exynos4210_uart.c
+++ b/hw/char/exynos4210_uart.c
@@ -522,10 +522,20 @@  static void exynos4210_uart_reset(DeviceState *dev)
     trace_exynos_uart_rxsize(s->channel, s->rx.size);
 }
 
+static int exynos4210_uart_post_load(void *opaque, int version_id)
+{
+    Exynos4210UartState *s = (Exynos4210UartState *)opaque;
+
+    exynos4210_uart_update_parameters(s);
+
+    return 0;
+}
+
 static const VMStateDescription vmstate_exynos4210_uart_fifo = {
     .name = "exynos4210.uart.fifo",
     .version_id = 1,
     .minimum_version_id = 1,
+    .post_load = exynos4210_uart_post_load,
     .fields = (VMStateField[]) {
         VMSTATE_UINT32(sp, Exynos4210UartFIFO),
         VMSTATE_UINT32(rp, Exynos4210UartFIFO),