From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935235AbcKVWs7 (ORCPT ); Tue, 22 Nov 2016 17:48:59 -0500 Received: from mail-pg0-f45.google.com ([74.125.83.45]:34033 "EHLO mail-pg0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933931AbcKVWs6 (ORCPT ); Tue, 22 Nov 2016 17:48:58 -0500 Date: Tue, 22 Nov 2016 14:19:33 -0800 From: Brian Norris To: Olof Johansson , Benson Leung Cc: Lee Jones , linux-kernel@vger.kernel.org, Doug Anderson , Brian Norris , Javier Martinez Canillas , Shawn Nematbakhsh , Gwendal Grignou , Enric Balletbo , Tomeu Vizoso Subject: Re: [PATCH] mfd: cros_ec: Use proper protocol transfer function Message-ID: <20161122221932.GA60416@google.com> References: <1470861912-130475-1-git-send-email-briannorris@chromium.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1470861912-130475-1-git-send-email-briannorris@chromium.org> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org + Benson On Wed, Aug 10, 2016 at 01:45:12PM -0700, Brian Norris wrote: > From: Shawn Nematbakhsh > > pkt_xfer should be used for protocol v3, and cmd_xfer otherwise. We had > one instance of these functions correct, but not the second, fall-back > case. We use the fall-back only when the first command returns an > IN_PROGRESS status, which is only used on some EC firmwares where we > don't want to constantly poll the bus, but instead back off and > sleep/retry for a little while. > > Fixes: 2c7589af3c4d ("mfd: cros_ec: add proto v3 skeleton") > Signed-off-by: Shawn Nematbakhsh > Signed-off-by: Brian Norris > --- > MAINTAINERS tells me this goes through Olof, but many things have gone through > Lee. I believe this was supposed to go through Olof. Olof, are you out there? Or Benson? I see this: http://www.mail-archive.com/linux-kernel@vger.kernel.org/msg1273587.html [PATCH] platform/chrome : Add myself as Maintainer but it's not merged anywhere AFAICT. I can resend if that helps. Brian > drivers/platform/chrome/cros_ec_proto.c | 8 +++++--- > 1 file changed, 5 insertions(+), 3 deletions(-) > > diff --git a/drivers/platform/chrome/cros_ec_proto.c b/drivers/platform/chrome/cros_ec_proto.c > index 6c084b266651..591f0b0becbd 100644 > --- a/drivers/platform/chrome/cros_ec_proto.c > +++ b/drivers/platform/chrome/cros_ec_proto.c > @@ -59,12 +59,14 @@ static int send_command(struct cros_ec_device *ec_dev, > struct cros_ec_command *msg) > { > int ret; > + int (*xfer_fxn)(struct cros_ec_device *ec, struct cros_ec_command *msg); > > if (ec_dev->proto_version > 2) > - ret = ec_dev->pkt_xfer(ec_dev, msg); > + xfer_fxn = ec_dev->pkt_xfer; > else > - ret = ec_dev->cmd_xfer(ec_dev, msg); > + xfer_fxn = ec_dev->cmd_xfer; > > + ret = (*xfer_fxn)(ec_dev, msg); > if (msg->result == EC_RES_IN_PROGRESS) { > int i; > struct cros_ec_command *status_msg; > @@ -87,7 +89,7 @@ static int send_command(struct cros_ec_device *ec_dev, > for (i = 0; i < EC_COMMAND_RETRIES; i++) { > usleep_range(10000, 11000); > > - ret = ec_dev->cmd_xfer(ec_dev, status_msg); > + ret = (*xfer_fxn)(ec_dev, status_msg); > if (ret < 0) > break; > > -- > 2.8.0.rc3.226.g39d4020 >