From patchwork Mon Apr 30 11:55:44 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wolfram Sang X-Patchwork-Id: 906663 X-Patchwork-Delegate: patchwork@peda.user.lysator.liu.se Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-i2c-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=sang-engineering.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 40ZNKX7148z9s0W for ; Mon, 30 Apr 2018 21:56:00 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751938AbeD3Lz4 (ORCPT ); Mon, 30 Apr 2018 07:55:56 -0400 Received: from sauhun.de ([88.99.104.3]:47408 "EHLO pokefinder.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752074AbeD3Lzz (ORCPT ); Mon, 30 Apr 2018 07:55:55 -0400 Received: from localhost (p54B33CD8.dip0.t-ipconnect.de [84.179.60.216]) by pokefinder.org (Postfix) with ESMTPSA id B57EB32475F; Mon, 30 Apr 2018 13:55:53 +0200 (CEST) From: Wolfram Sang To: linux-i2c@vger.kernel.org Cc: linux-renesas-soc@vger.kernel.org, Peter Rosin , Wolfram Sang Subject: [PATCH 2/2] i2c: mux: demux-pinctrl: add symlinks to the demux device in sysfs Date: Mon, 30 Apr 2018 13:55:44 +0200 Message-Id: <20180430115544.22903-3-wsa+renesas@sang-engineering.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20180430115544.22903-1-wsa+renesas@sang-engineering.com> References: <20180430115544.22903-1-wsa+renesas@sang-engineering.com> Sender: linux-i2c-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org Similar to mux devices, create special symlinks to connect the demuxed bus with the demux device. Signed-off-by: Wolfram Sang --- drivers/i2c/muxes/i2c-demux-pinctrl.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/i2c/muxes/i2c-demux-pinctrl.c b/drivers/i2c/muxes/i2c-demux-pinctrl.c index 035032e20327..d5e7d4aa6ee1 100644 --- a/drivers/i2c/muxes/i2c-demux-pinctrl.c +++ b/drivers/i2c/muxes/i2c-demux-pinctrl.c @@ -116,6 +116,11 @@ static int i2c_demux_activate_master(struct i2c_demux_pinctrl_priv *priv, u32 ne if (ret < 0) goto err_with_put; + sysfs_create_link(&priv->cur_adap.dev.kobj, &priv->dev->kobj, + "demux_device"); + sysfs_create_link(&priv->dev->kobj, &priv->cur_adap.dev.kobj, + "channel-0"); + return 0; err_with_put: @@ -135,6 +140,9 @@ static int i2c_demux_deactivate_master(struct i2c_demux_pinctrl_priv *priv) if (cur < 0) return 0; + sysfs_remove_link(&priv->dev->kobj, "channel-0"); + sysfs_remove_link(&priv->cur_adap.dev.kobj, "demux_device"); + i2c_del_adapter(&priv->cur_adap); i2c_put_adapter(priv->chan[cur].parent_adap);