From mboxrd@z Thu Jan 1 00:00:00 1970 From: balbi@ti.com (Felipe Balbi) Date: Thu, 17 Feb 2011 09:49:03 +0200 Subject: [PATCH 1/2] omap4: 4430sdp: drop ehci support In-Reply-To: <1297855040-1337-1-git-send-email-gadiyar@ti.com> References: <1297855040-1337-1-git-send-email-gadiyar@ti.com> Message-ID: <20110217074903.GE2439@legolas.emea.dhcp.ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Wed, Feb 16, 2011 at 04:47:19PM +0530, Anand Gadiyar wrote: > Most revisions of the OMAP4 Blaze/SDP platform do not have > the EHCI signals routed by default. The pads are routed > for the alternate HSI functionality instead, and explicit > board modifications are needed to route the signals to > the USB PHY on the board. > > Also, turning on the PHY connected to the EHCI port causes > a board reboot during bootup due to an unintended short > on the rails - this affects many initial revisions of the > board, and needs a minor board mod to fix (or as a > workaround, one should not attempt to power on the > USB PHY). > > Given that these boards need explicit board mods to even > get EHCI working (separate from the accidental short above), > we should not attempt to enable EHCI by default. > > So drop the EHCI support from the board files for the > Blaze/SDP platforms. > > Signed-off-by: Anand Gadiyar > Cc: Keshava Munegowda > Cc: Tony Lindgren applied, thanks. -- balbi