Re: [PATCH] ARM: tegra: colibri t30: fix on-module ethernet

From: Marcel Ziswiler
Date: Fri Nov 21 2014 - 06:58:45 EST

On Fri, 2014-11-21 at 11:41 +0100, Marcel Ziswiler wrote:
> Looks like Ethernet only ever worked if U-Boot properly brought it up
> as both the reset as well as the VBUS lines were not actively handled
> in-kernel.
> This patch fixes this by just pulling up the reset GPIO

Doing automatic power-cycle tests revealed that this is still not enough
and a proper reset-cycle might be required. However I don't know as of
yet how one can easily do that in mainline with a USB device otherwise
not mentioned anywhere in the device tree. Any ideas?

> and properly
> enabling VBUS via a GPIO enabled fixed regulator VBUS supply.
> Signed-off-by: Marcel Ziswiler <marcel@xxxxxxxxxxxx>

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at