From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:56730 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752629AbcJDPEl (ORCPT ); Tue, 4 Oct 2016 11:04:41 -0400 Subject: Patch "i2c: mux: demux-pinctrl: run properly with multiple instances" has been added to the 4.7-stable tree To: wsa+renesas@sang-engineering.com, gregkh@linuxfoundation.org, wsa@the-dreams.de Cc: , From: Date: Tue, 04 Oct 2016 17:04:20 +0200 Message-ID: <147559346064197@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled i2c: mux: demux-pinctrl: run properly with multiple instances to the 4.7-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: i2c-mux-demux-pinctrl-run-properly-with-multiple-instances.patch and it can be found in the queue-4.7 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From e35478eac030990e23a56bf11dc074c5a069124a Mon Sep 17 00:00:00 2001 From: Wolfram Sang Date: Tue, 23 Aug 2016 17:28:03 +0200 Subject: i2c: mux: demux-pinctrl: run properly with multiple instances From: Wolfram Sang commit e35478eac030990e23a56bf11dc074c5a069124a upstream. We can't use a static property for all the changesets, so we now create dynamic ones for each changeset. Signed-off-by: Wolfram Sang Fixes: 50a5ba87690814 ("i2c: mux: demux-pinctrl: add driver") Signed-off-by: Wolfram Sang Signed-off-by: Greg Kroah-Hartman --- drivers/i2c/muxes/i2c-demux-pinctrl.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) --- a/drivers/i2c/muxes/i2c-demux-pinctrl.c +++ b/drivers/i2c/muxes/i2c-demux-pinctrl.c @@ -37,8 +37,6 @@ struct i2c_demux_pinctrl_priv { struct i2c_demux_pinctrl_chan chan[]; }; -static struct property status_okay = { .name = "status", .length = 3, .value = "ok" }; - static int i2c_demux_master_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num) { struct i2c_demux_pinctrl_priv *priv = adap->algo_data; @@ -192,6 +190,7 @@ static int i2c_demux_pinctrl_probe(struc { struct device_node *np = pdev->dev.of_node; struct i2c_demux_pinctrl_priv *priv; + struct property *props; int num_chan, i, j, err; num_chan = of_count_phandle_with_args(np, "i2c-parent", NULL); @@ -202,7 +201,10 @@ static int i2c_demux_pinctrl_probe(struc priv = devm_kzalloc(&pdev->dev, sizeof(*priv) + num_chan * sizeof(struct i2c_demux_pinctrl_chan), GFP_KERNEL); - if (!priv) + + props = devm_kcalloc(&pdev->dev, num_chan, sizeof(*props), GFP_KERNEL); + + if (!priv || !props) return -ENOMEM; err = of_property_read_string(np, "i2c-bus-name", &priv->bus_name); @@ -220,8 +222,12 @@ static int i2c_demux_pinctrl_probe(struc } priv->chan[i].parent_np = adap_np; + props[i].name = devm_kstrdup(&pdev->dev, "status", GFP_KERNEL); + props[i].value = devm_kstrdup(&pdev->dev, "ok", GFP_KERNEL); + props[i].length = 3; + of_changeset_init(&priv->chan[i].chgset); - of_changeset_update_property(&priv->chan[i].chgset, adap_np, &status_okay); + of_changeset_update_property(&priv->chan[i].chgset, adap_np, &props[i]); } priv->num_chan = num_chan; Patches currently in stable-queue which might be from wsa+renesas@sang-engineering.com are queue-4.7/i2c-mux-demux-pinctrl-run-properly-with-multiple-instances.patch