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authorArnaldo Carvalho de Melo <acme@redhat.com>2019-08-12 16:25:00 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2019-08-12 16:25:00 -0300
commit272172bd418cc32aa466588150c8001bc229c712 (patch)
treef529a66933e79ba1f3753e8185112538e861c967 /drivers/usb/core/usb.h
parent7f06d0aa530cc61cb5e048d4eb34921dee12058a (diff)
parentd45331b00ddb179e291766617259261c112db872 (diff)
Merge remote-tracking branch 'torvalds/master' into perf/core
To get closer to upstream and check if we need to sync more UAPI headers, pick up fixes for libbpf that prevent perf's container tests from completing successfuly, etc. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'drivers/usb/core/usb.h')
-rw-r--r--drivers/usb/core/usb.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h
index bd8d01f85a13..0c9fde5ad052 100644
--- a/drivers/usb/core/usb.h
+++ b/drivers/usb/core/usb.h
@@ -153,6 +153,11 @@ static inline int is_usb_port(const struct device *dev)
return dev->type == &usb_port_device_type;
}
+static inline int is_root_hub(struct usb_device *udev)
+{
+ return (udev->parent == NULL);
+}
+
/* Do the same for device drivers and interface drivers. */
static inline int is_usb_device_driver(struct device_driver *drv)