From mboxrd@z Thu Jan 1 00:00:00 1970 From: Greg Kroah-Hartman Subject: Re: [PATCH 2/2] usb: typec: intel_pmc_mux: Check the port status before connect Date: Thu, 16 Jul 2020 09:05:08 +0200 Message-ID: <20200716070508.GB962748@kroah.com> References: <20200716003310.26125-1-rajmohan.mani@intel.com> <20200716003310.26125-3-rajmohan.mani@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20200716003310.26125-3-rajmohan.mani@intel.com> Sender: linux-kernel-owner@vger.kernel.org To: Rajmohan Mani Cc: Darren Hart , Andy Shevchenko , Mika Westerberg , Dmitry Torokhov , Lee Jones , Ayman Bagabas , Masahiro Yamada , Jithu Joseph , =?utf-8?B?Qmxhxb4=?= Hrastnik , Srinivas Pandruvada , linux-kernel@vger.kernel.org, platform-driver-x86@vger.kernel.org, Heikki Krogerus , linux-usb@vger.kernel.org, pmalani@chromium.org, bleung@chromium.org List-Id: platform-driver-x86.vger.kernel.org On Wed, Jul 15, 2020 at 05:33:10PM -0700, Rajmohan Mani wrote: > From: Heikki Krogerus > > The PMC microcontroller that we use for configuration, does > not supply any status information back. For port status we > need to talk to another controller on the board called IOM > (I/O manager). > > By checking the port status before configuring the muxes, we > can make sure that we do not reconfigure the port after > bootup when the system firmware (for example BIOS) has > already configured it. > > Using the status information also to check if DisplayPort > HPD is still asserted when the cable plug is disconnected, > and clearing it if it is. > > Signed-off-by: Heikki Krogerus You can't just forward on patches from others without also adding your signed-off-by to them, right? Please fix up this series and try again. thanks, greg k-h