Em Sun, 16 Apr 2017 10:39:58 -0400 (EDT) Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> escreveu: > On Sun, 16 Apr 2017, Mauro Carvalho Chehab wrote: > > > The /proc/bus/usb/devices got moved to sysfs. It is now > > sitting at: > > /sys/kernel/debug/usb/devices > > > > Fix the old references at the USB documentation > > Many of the things you changed are still out of date. > > > Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxxx> > > --- > > Documentation/driver-api/usb/usb.rst | 14 +++++++------- > > Documentation/usb/acm.txt | 2 +- > > Documentation/usb/gadget_serial.txt | 4 ++-- > > Documentation/usb/proc_usb_info.txt | 20 ++++++++++---------- > > 4 files changed, 20 insertions(+), 20 deletions(-) > > > > diff --git a/Documentation/driver-api/usb/usb.rst b/Documentation/driver-api/usb/usb.rst > > index 6824089ef4c8..036e77038d42 100644 > > --- a/Documentation/driver-api/usb/usb.rst > > +++ b/Documentation/driver-api/usb/usb.rst > > @@ -233,7 +233,7 @@ What files are in "usbfs"? > > > > Conventionally mounted at ``/proc/bus/usb``, usbfs features include: > > This whole section is highly misleading. usbfs no longer exists as a > filesystem. Instead, the files which used to be part of usbfs have > either moved to debugfs (/sys/kernel/debug/usb/devices) or are > character device nodes managed by systemctl/udev and typically created > under /dev/bus/usb. > > > @@ -299,23 +299,23 @@ invocations of *mount*, are: > > 0) > > > > *listgid*\ =NNNNN > > - Controls the GID used for the /proc/bus/usb/devices and drivers > > + Controls the GID used for the /sys/kernel/debug/usb/devices and drivers > > files. (Default: 0) > > > > *listmode*\ =MMM > > - Controls the file mode used for the /proc/bus/usb/devices and > > + Controls the file mode used for the /sys/kernel/debug/usb/devices and > > drivers files. (Default: 0444) > > > > *listuid*\ =NNNNN > > - Controls the UID used for the /proc/bus/usb/devices and drivers > > + Controls the UID used for the /sys/kernel/debug/usb/devices and drivers > > files. (Default: 0) > > > > Note that many Linux distributions hard-wire the mount options for usbfs > > in their init scripts, such as ``/etc/rc.d/rc.sysinit``, rather than > > making it easy to set this per-system policy in ``/etc/fstab``. > > This is all totally out of date. usbfs is no longer a filesystem that > can be mounted. True. Sent already a new patchset covering it, and other places where /proc/bus/bus are mentioned. Besides the stuff already fixed, there are still a few other bits to address: Documentation/usb/proc_usb_info.txt:/proc/bus/usb filesystem output Documentation/usb/proc_usb_info.txt:/proc/bus/usb. It provides the /sys/kernel/debug/usb/devices file, as well as Documentation/usb/proc_usb_info.txt:the /proc/bus/usb/BBB/DDD files. Documentation/usb/proc_usb_info.txt:**NOTE**: If /proc/bus/usb appears empty, and a host controller Documentation/usb/proc_usb_info.txt: mount -t usbfs none /proc/bus/usb Documentation/usb/proc_usb_info.txt: none /proc/bus/usb usbfs defaults 0 0 Documentation/usb/proc_usb_info.txt:THE /proc/bus/usb/BBB/DDD FILES: Documentation/usb/proc_usb_info.txt:devices. You would open the /proc/bus/usb/BBB/DDD file read/write, This should likely be merged at usb.rst file or fully reworked. include/uapi/linux/capability.h:/* Allow sending USB messages to any device via /proc/bus/usb */ include/uapi/linux/usb/ch9.h: * not other descriptors) are read from usbfs (i.e. /proc/bus/usb/BBB/DDD); I'll address this on a version 4. sound/usb/usx2y/us122l.c: sprintf(hw->name, "/proc/bus/usb/%03d/%03d/hwdeppcm", sound/usb/usx2y/usX2Yhwdep.c: sprintf(hw->name, "/proc/bus/usb/%03d/%03d", device->bus->busnum, device->devnum); sound/usb/usx2y/usx2yhwdeppcm.c: sprintf(hw->name, "/proc/bus/usb/%03d/%03d/hwdeppcm", dev->bus->busnum, dev->devnum); Not sure about the above. Regards, Mauro -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
