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path: root/drivers/i2c/muxes/i2c-demux-pinctrl.c
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Diffstat (limited to 'drivers/i2c/muxes/i2c-demux-pinctrl.c')
-rw-r--r--drivers/i2c/muxes/i2c-demux-pinctrl.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/i2c/muxes/i2c-demux-pinctrl.c b/drivers/i2c/muxes/i2c-demux-pinctrl.c
index 215ac87f6..b3893f628 100644
--- 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;
@@ -107,6 +105,7 @@ static int i2c_demux_activate_master(struct i2c_demux_pinctrl_priv *priv, u32 ne
of_changeset_revert(&priv->chan[new_chan].chgset);
err:
dev_err(priv->dev, "failed to setup demux-adapter %d (%d)\n", new_chan, ret);
+ priv->cur_chan = -EINVAL;
return ret;
}
@@ -192,6 +191,7 @@ static int i2c_demux_pinctrl_probe(struct platform_device *pdev)
{
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 +202,10 @@ 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);
- 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 +223,12 @@ 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, &status_okay);
+ of_changeset_update_property(&priv->chan[i].chgset, adap_np, &props[i]);
}
priv->num_chan = num_chan;