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-rw-r--r--hw/char/imx_serial.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/hw/char/imx_serial.c b/hw/char/imx_serial.c
index e8f32c46c2..f0c4c722d6 100644
--- a/hw/char/imx_serial.c
+++ b/hw/char/imx_serial.c
@@ -66,7 +66,9 @@ static void imx_update(IMXSerialState *s)
uint32_t flags;
flags = (s->usr1 & s->ucr1) & (USR1_TRDY|USR1_RRDY);
- if (!(s->ucr1 & UCR1_TXMPTYEN)) {
+ if (s->ucr1 & UCR1_TXMPTYEN) {
+ flags |= (s->uts1 & UTS1_TXEMPTY);
+ } else {
flags &= ~USR1_TRDY;
}