linux-kernel - [PATCH v5 6/8] i2c: demux: Use changeset helpers for clarity

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Date:   Thu, 22 Feb 2018 02:05:29 +0200
From:   Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>
To:     dri-devel@...ts.freedesktop.org
Cc:     linux-renesas-soc@...r.kernel.org,
        Pantelis Antoniou <pantelis.antoniou@...sulko.com>,
        Rob Herring <robh@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        Matt Porter <mporter@...sulko.com>,
        Koen Kooi <koen@...inion.thruhere.net>,
        Guenter Roeck <linux@...ck-us.net>,
        Marek Vasut <marex@...x.de>, Wolfram Sang <wsa@...-dreams.de>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-i2c@...r.kernel.org
Subject: [PATCH v5 6/8] i2c: demux: Use changeset helpers for clarity

From: Pantelis Antoniou <pantelis.antoniou@...sulko.com>

The changeset helpers are easier to use, use them instead of
using the static property.

Signed-off-by: Pantelis Antoniou <pantelis.antoniou@...sulko.com>
Acked-by: Wolfram Sang <wsa@...-dreams.de>
["okay" -> "ok"]
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>
---
 drivers/i2c/muxes/i2c-demux-pinctrl.c | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/drivers/i2c/muxes/i2c-demux-pinctrl.c b/drivers/i2c/muxes/i2c-demux-pinctrl.c
index 33ce032cb701..0f0046831492 100644
--- a/drivers/i2c/muxes/i2c-demux-pinctrl.c
+++ b/drivers/i2c/muxes/i2c-demux-pinctrl.c
@@ -220,10 +220,7 @@ static int i2c_demux_pinctrl_probe(struct platform_device *pdev)
 
 	priv = devm_kzalloc(&pdev->dev, sizeof(*priv)
 			   + num_chan * sizeof(struct i2c_demux_pinctrl_chan), GFP_KERNEL);
-
-	props = devm_kcalloc(&pdev->dev, num_chan, sizeof(*props), GFP_KERNEL);
-
-	if (!priv || !props)
+	if (!priv)
 		return -ENOMEM;
 
 	err = of_property_read_string(np, "i2c-bus-name", &priv->bus_name);
@@ -241,12 +238,9 @@ static int i2c_demux_pinctrl_probe(struct platform_device *pdev)
 		}
 		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, &props[i]);
+		of_changeset_update_property_string(&priv->chan[i].chgset,
+						    adap_np, "status", "ok");
 	}
 
 	priv->num_chan = num_chan;
-- 
Regards,

Laurent Pinchart