On Mon, Jul 17, 2023 at 01:21:34PM +0200, Marek Vasut wrote: > Extend the driver core to perform lookup by both OF node and driver > bound to the node. Use this to look up specific device instances to > unbind from nodes in the unbind command. One example where this is > needed is USB peripheral controller, which may have multiple gadget > drivers bound to it. The unbind command has to select that specific > gadget driver instance to unbind from the controller, not unbind the > controller driver itself from the controller. > > USB ethernet gadget usage looks as follows with this change. Notice > the extra 'usb_ether' addition in the 'unbind' command at the end. > " > bind /soc/usb-otg@49000000 usb_ether > setenv ethact usb_ether > setenv loadaddr 0xc2000000 > setenv ipaddr 10.0.0.2 > setenv serverip 10.0.0.1 > setenv netmask 255.255.255.0 > tftpboot 0xc2000000 10.0.0.1:test.file > unbind /soc/usb-otg@49000000 usb_ether > " > > Signed-off-by: Marek Vasut <ma...@denx.de> > --- > Cc: Kevin Hilman <khil...@baylibre.com> > Cc: Lukasz Majewski <lu...@denx.de> > Cc: Marek Vasut <ma...@denx.de> > Cc: Simon Glass <s...@chromium.org> > --- > V2: No change > --- > cmd/bind.c | 10 +++++----- > drivers/core/device.c | 20 +++++++++++++++----- > include/dm/device.h | 17 +++++++++++++++++ > 3 files changed, 37 insertions(+), 10 deletions(-)
Conceptually this seems fine to me. Simon? -- Tom
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