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Diffstat (limited to 'hw/usb/dev-serial.c')
-rw-r--r--hw/usb/dev-serial.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/hw/usb/dev-serial.c b/hw/usb/dev-serial.c
index 9846599..daac75b 100644
--- a/hw/usb/dev-serial.c
+++ b/hw/usb/dev-serial.c
@@ -98,6 +98,7 @@ do { printf("usb-serial: " fmt , ## __VA_ARGS__); } while (0)
typedef struct {
USBDevice dev;
+ USBEndpoint *intr;
uint8_t recv_buf[RECV_BUF];
uint16_t recv_ptr;
uint16_t recv_used;
@@ -153,7 +154,7 @@ static const USBDescDevice desc_device = {
{
.bNumInterfaces = 1,
.bConfigurationValue = 1,
- .bmAttributes = USB_CFG_ATT_ONE,
+ .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_WAKEUP,
.bMaxPower = 50,
.nif = 1,
.ifs = &desc_iface0,
@@ -459,6 +460,8 @@ static void usb_serial_read(void *opaque, const uint8_t *buf, int size)
memcpy(s->recv_buf + start, buf, size);
}
s->recv_used += size;
+
+ usb_wakeup(s->intr, 0);
}
static void usb_serial_event(void *opaque, QEMUChrEvent event)
@@ -513,6 +516,7 @@ static void usb_serial_realize(USBDevice *dev, Error **errp)
if (qemu_chr_fe_backend_open(&s->cs) && !dev->attached) {
usb_device_attach(dev, &error_abort);
}
+ s->intr = usb_ep_get(dev, USB_TOKEN_IN, 1);
}
static USBDevice *usb_braille_init(USBBus *bus, const char *unused)