Hi, Romain Izard <[email protected]> writes: > With commit "usb: gadget: don't couple configfs to legacy gadgets" > it is possible to build a modular kernel with both built-in configfs > support and modular legacy gadget drivers. > > But when building a kernel without modules, it is also necessary to be > able to build with configfs but without any legacy gadget driver. > > Mark the choice for legacy gadget drivers as optional. > > Fixes: bc49d1d17dcf ("usb: gadget: don't couple configfs to legacy gadgets") > Cc: <[email protected]> # 4.9+
this is *NOT* a fix since this requirement didn't exist before. > Signed-off-by: Romain Izard <[email protected]> > --- > changes in v2: > - Reword description > > drivers/usb/gadget/Kconfig | 11 +++++++++-- > 1 file changed, 9 insertions(+), 2 deletions(-) > > diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig > index 8ad203296079..e157e9aa4f3d 100644 > --- a/drivers/usb/gadget/Kconfig > +++ b/drivers/usb/gadget/Kconfig > @@ -212,7 +212,7 @@ config USB_F_TCM > # this first set of drivers all depend on bulk-capable hardware. > > config USB_CONFIGFS > - tristate "USB functions configurable through configfs" > + tristate "USB Gadget functions configurable through configfs" unrelated change > select USB_LIBCOMPOSITE > help > A Linux USB "gadget" can be set up through configfs. > @@ -458,8 +458,9 @@ config USB_CONFIGFS_F_TCM > UAS utilizes the USB 3.0 feature called streams support. > > choice > - tristate "USB Gadget Drivers" > + tristate "USB Gadget precomposed configurations" unrelated change > default USB_ETH > + optional > help > A Linux "Gadget Driver" talks to the USB Peripheral Controller > driver through the abstract "gadget" API. Some other operating > @@ -476,6 +477,12 @@ choice > not be able work with that controller, or might need to implement > a less common variant of a device class protocol. > > + The available choices each represent a single precomposed USB > + gadget configuration. In the device model, each option contains > + both the device instanciation as a child for a USB gadget > + controller, and the relevant drivers for each function declared > + by the device. unrelated change -- balbi
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