diff options
author | Heiner Kallweit <hkallweit1@gmail.com> | 2016-01-25 22:30:30 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-02-04 00:26:30 +0300 |
commit | 5363de75307e333d89df7531f9dd8310d973ecdb (patch) | |
tree | 5c90ec1dbcf6d1626984ec6306db7d73ee8dd3ab /include/linux/usb/hcd.h | |
parent | d78540419866887345cec480016b0f87f6a5aca2 (diff) | |
download | linux-5363de75307e333d89df7531f9dd8310d973ecdb.tar.xz |
usb: core: switch bus numbering to using idr
USB bus numbering is based on directly dealing with bitmaps and
defines a separate list of busses.
This can be simplified and unified by using existing idr functionality.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/usb/hcd.h')
-rw-r--r-- | include/linux/usb/hcd.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h index 4dcf8446dbcd..c293dd044599 100644 --- a/include/linux/usb/hcd.h +++ b/include/linux/usb/hcd.h @@ -23,6 +23,7 @@ #include <linux/rwsem.h> #include <linux/interrupt.h> +#include <linux/idr.h> #define MAX_TOPO_LEVEL 6 @@ -630,7 +631,7 @@ extern void usb_set_device_state(struct usb_device *udev, /* exported only within usbcore */ -extern struct list_head usb_bus_list; +extern struct idr usb_bus_idr; extern struct mutex usb_bus_list_lock; extern wait_queue_head_t usb_kill_urb_queue; |