On 2026-10-16T07:25:19, Mehmet Fide <[email protected]> wrote: > usb: ehci-vf: enable the vbus supply of the port > > The driver never enables the vbus-supply of its port, so on boards that > switch VBUS through a regulator, such as the Colibri VF50 and VF61 > carriers, the port stays unpowered and no device is found. > > Do what ehci-mx6 does: look the regulator up in probe, enable it in > host mode, disable it in device mode, and turn it off on remove. A > missing vbus-supply or a build without DM_REGULATOR is fine; any other > lookup error fails the probe instead of leaving the port dead. > > Signed-off-by: Mehmet Fide <[email protected]> > Reviewed-by: Marek Vasut <[email protected]> > > drivers/usb/host/ehci-vf.c | 36 +++++++++++++++++++++++++++++++++--- > 1 file changed, 33 insertions(+), 3 deletions(-)
Reviewed-by: Simon Glass <[email protected]>
