On Thu, Jan 04, 2024 at 06:32:03PM +0200, niko.mauno@xxxxxxxxxxx wrote: > From: Niko Mauno <niko.mauno@xxxxxxxxxxx> > > Make the default USB device authorization mode configurable at build > time. This is useful for systems that require a mode that is stricter > than the standard setting, as it avoids relying on the kernel command > line being properly set. > > Signed-off-by: Niko Mauno <niko.mauno@xxxxxxxxxxx> > --- > drivers/usb/core/Kconfig | 15 +++++++++++++++ > drivers/usb/core/hcd.c | 2 +- > 2 files changed, 16 insertions(+), 1 deletion(-) > > diff --git a/drivers/usb/core/Kconfig b/drivers/usb/core/Kconfig > index 351ede4b5de2..10ad320cc2f3 100644 > --- a/drivers/usb/core/Kconfig > +++ b/drivers/usb/core/Kconfig > @@ -116,3 +116,18 @@ config USB_AUTOSUSPEND_DELAY > The default value Linux has always had is 2 seconds. Change > this value if you want a different delay and cannot modify > the command line or module parameter. > + > +config USB_DEFAULT_AUTHORIZATION_MODE > + int "Default authorization mode for USB devices" > + range -1 2 > + default -1 > + depends on USB > + help > + Select the default USB device authorization mode. Can be overridden > + with usbcore.authorized_default command line or module parameter. > + > + The available values have the following meanings: > + -1 is authorized for all devices (leftover from wireless USB) > + 0 is unauthorized for all devices > + 1 is authorized for all devices What's the difference now between -1 and 1? We don't have wireless USB anymore as that never turned into an actual product, so we shouldn't reference it anymore, right? We should get rid of the -1 option entirely, but keep the module option and properly map it to '1'. > + 2 is authorized for internal devices Needs a "if you don't know what to select, please choose X" text here. thanks, greg k-h