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Diffstat (limited to 'hw/char/lm32_uart.c')
-rw-r--r--hw/char/lm32_uart.c17
1 files changed, 7 insertions, 10 deletions
diff --git a/hw/char/lm32_uart.c b/hw/char/lm32_uart.c
index be93697a39..7f3597c4b0 100644
--- a/hw/char/lm32_uart.c
+++ b/hw/char/lm32_uart.c
@@ -97,7 +97,7 @@ struct LM32UartState {
     SysBusDevice parent_obj;
 
     MemoryRegion iomem;
-    CharDriverState *chr;
+    CharBackend chr;
     qemu_irq irq;
 
     uint32_t regs[R_MAX];
@@ -142,7 +142,7 @@ static uint64_t uart_read(void *opaque, hwaddr addr,
         r = s->regs[R_RXTX];
         s->regs[R_LSR] &= ~LSR_DR;
         uart_update_irq(s);
-        qemu_chr_accept_input(s->chr);
+        qemu_chr_fe_accept_input(&s->chr);
         break;
     case R_IIR:
     case R_LSR:
@@ -177,11 +177,9 @@ static void uart_write(void *opaque, hwaddr addr,
     addr >>= 2;
     switch (addr) {
     case R_RXTX:
-        if (s->chr) {
-            /* XXX this blocks entire thread. Rewrite to use
-             * qemu_chr_fe_write and background I/O callbacks */
-            qemu_chr_fe_write_all(s->chr, &ch, 1);
-        }
+        /* XXX this blocks entire thread. Rewrite to use
+         * qemu_chr_fe_write and background I/O callbacks */
+        qemu_chr_fe_write_all(&s->chr, &ch, 1);
         break;
     case R_IER:
     case R_LCR:
@@ -267,9 +265,8 @@ static void lm32_uart_realize(DeviceState *dev, Error **errp)
 {
     LM32UartState *s = LM32_UART(dev);
 
-    if (s->chr) {
-        qemu_chr_add_handlers(s->chr, uart_can_rx, uart_rx, uart_event, s);
-    }
+    qemu_chr_fe_set_handlers(&s->chr, uart_can_rx, uart_rx,
+                             uart_event, s, NULL, true);
 }
 
 static const VMStateDescription vmstate_lm32_uart = {