esp: lower IRQ on soft reset

42f1ced2 removed irq lowering
during reset. However, for chip reset command and DMA reset signal,
its actually the correct thing to do.

Lower IRQ on soft reset only.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

hw/esp.c

@@ -419,7 +419,7 @@ static void handle_ti(ESPState *s)
     }
 }
 
-static void esp_reset(DeviceState *d)
+static void esp_hard_reset(DeviceState *d)
 {
     ESPState *s = container_of(d, ESPState, busdev.qdev);
 
@@ -435,10 +435,19 @@ static void esp_reset(DeviceState *d)
     s->rregs[ESP_CFG1] = 7;
 }
 
+static void esp_soft_reset(DeviceState *d)
+{
+    ESPState *s = container_of(d, ESPState, busdev.qdev);
+
+    qemu_irq_lower(s->irq);
+    esp_hard_reset(d);
+}
+
 static void parent_esp_reset(void *opaque, int irq, int level)
 {
-    if (level)
-        esp_reset(opaque);
+    if (level) {
+        esp_soft_reset(opaque);
+    }
 }
 
 static uint32_t esp_mem_readb(void *opaque, target_phys_addr_t addr)
@@ -528,7 +537,7 @@ static void esp_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val)
             break;
         case CMD_RESET:
             DPRINTF("Chip reset (%2.2x)\n", val);
-            esp_reset(&s->busdev.qdev);
+            esp_soft_reset(&s->busdev.qdev);
             break;
         case CMD_BUSRESET:
             DPRINTF("Bus reset (%2.2x)\n", val);
@@ -679,7 +688,7 @@ static SysBusDeviceInfo esp_info = {
     .qdev.name  = "esp",
     .qdev.size  = sizeof(ESPState),
     .qdev.vmsd  = &vmstate_esp,
-    .qdev.reset = esp_reset,
+    .qdev.reset = esp_hard_reset,
     .qdev.props = (Property[]) {
         {.name = NULL}
     }