Changeset 2cf28b9 in mainline for uspace/lib/usbhost

Timestamp:

2017-10-25T15:22:45Z (8 years ago)

Author:

Ondřej Hlavatý <aearsis@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

62558202

Parents:

f668d60

Message:

xhci: connecting devices deeper than to roothub

It still does not work, because the address command fails, but there should not be any fundamental problem.

Location:

uspace/lib/usbhost

Files:

• include/usb/host/bus.h (modified) (1 diff)
• src/bus.c (modified) (2 diffs)

uspace/lib/usbhost/include/usb/host/bus.h

@@ -82 +82 @@
         int (*remove_device)(bus_t *, hcd_t *, device_t *);
 
+        /* The following operations are protected by a bus guard. */
         endpoint_t *(*create_endpoint)(bus_t *);
         int (*register_endpoint)(bus_t *, endpoint_t *, const usb_endpoint_desc_t *);

uspace/lib/usbhost/src/bus.c

@@ -87 +87 @@
                 return ENOTSUP;
 
-        fibril_mutex_lock(&bus->guard);
-        const int r = bus->ops.enumerate_device(bus, hcd, dev);
-        fibril_mutex_unlock(&bus->guard);
-        return r;
+        return bus->ops.enumerate_device(bus, hcd, dev);
 }
 
@@ -101 +98 @@
                 return ENOTSUP;
 
-        fibril_mutex_lock(&bus->guard);
-        const int r = bus->ops.remove_device(bus, hcd, dev);
-        fibril_mutex_unlock(&bus->guard);
-        return r;
+        return bus->ops.remove_device(bus, hcd, dev);
 }