From mboxrd@z Thu Jan 1 00:00:00 1970 From: marcel@ziswiler.com (Marcel Ziswiler) Date: Fri, 21 Nov 2014 12:57:52 +0100 Subject: [PATCH] ARM: tegra: colibri t30: fix on-module ethernet In-Reply-To: References: Message-ID: <1416571072.2744.4.camel@localhost.localdomain> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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