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-rw-r--r--hw/usb/bus.c36
-rw-r--r--hw/usb/desc.c2
-rw-r--r--trace-events2
3 files changed, 33 insertions, 7 deletions
diff --git a/hw/usb/bus.c b/hw/usb/bus.c
index b10c290cf4..d1827be101 100644
--- a/hw/usb/bus.c
+++ b/hw/usb/bus.c
@@ -417,19 +417,47 @@ void usb_release_port(USBDevice *dev)
bus->nfree++;
}
+static void usb_mask_to_str(char *dest, size_t size,
+ unsigned int speedmask)
+{
+ static const struct {
+ unsigned int mask;
+ const char *name;
+ } speeds[] = {
+ { .mask = USB_SPEED_MASK_FULL, .name = "full" },
+ { .mask = USB_SPEED_MASK_HIGH, .name = "high" },
+ { .mask = USB_SPEED_MASK_SUPER, .name = "super" },
+ };
+ int i, pos = 0;
+
+ for (i = 0; i < ARRAY_SIZE(speeds); i++) {
+ if (speeds[i].mask & speedmask) {
+ pos += snprintf(dest + pos, size - pos, "%s%s",
+ pos ? "+" : "",
+ speeds[i].name);
+ }
+ }
+}
+
int usb_device_attach(USBDevice *dev)
{
USBBus *bus = usb_bus_from_device(dev);
USBPort *port = dev->port;
+ char devspeed[32], portspeed[32];
assert(port != NULL);
assert(!dev->attached);
- trace_usb_port_attach(bus->busnr, port->path);
+ usb_mask_to_str(devspeed, sizeof(devspeed), dev->speedmask);
+ usb_mask_to_str(portspeed, sizeof(portspeed), port->speedmask);
+ trace_usb_port_attach(bus->busnr, port->path,
+ devspeed, portspeed);
if (!(port->speedmask & dev->speedmask)) {
- error_report("Warning: speed mismatch trying to attach "
- "usb device %s to bus %s",
- dev->product_desc, bus->qbus.name);
+ error_report("Warning: speed mismatch trying to attach"
+ " usb device \"%s\" (%s speed)"
+ " to bus \"%s\", port \"%s\" (%s speed)",
+ dev->product_desc, devspeed,
+ bus->qbus.name, port->path, portspeed);
return -1;
}
diff --git a/hw/usb/desc.c b/hw/usb/desc.c
index b389381326..fce303e9c8 100644
--- a/hw/usb/desc.c
+++ b/hw/usb/desc.c
@@ -522,8 +522,6 @@ void usb_desc_attach(USBDevice *dev)
} else if (desc->full && (dev->port->speedmask & USB_SPEED_MASK_FULL)) {
dev->speed = USB_SPEED_FULL;
} else {
- fprintf(stderr, "usb: port/device speed mismatch for \"%s\"\n",
- usb_device_get_product_desc(dev));
return;
}
usb_desc_setdefaults(dev);
diff --git a/trace-events b/trace-events
index e587487a3b..ffaa3f472e 100644
--- a/trace-events
+++ b/trace-events
@@ -277,7 +277,7 @@ usb_packet_state_fault(int bus, const char *port, int ep, void *p, const char *o
# hw/usb/bus.c
usb_port_claim(int bus, const char *port) "bus %d, port %s"
-usb_port_attach(int bus, const char *port) "bus %d, port %s"
+usb_port_attach(int bus, const char *port, const char *devspeed, const char *portspeed) "bus %d, port %s, devspeed %s, portspeed %s"
usb_port_detach(int bus, const char *port) "bus %d, port %s"
usb_port_release(int bus, const char *port) "bus %d, port %s"