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| author | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2016-08-23 17:28:03 +0200 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2016-09-08 16:56:21 +0200 |
| commit | e35478eac030990e23a56bf11dc074c5a069124a (patch) | |
| tree | 374c5730ed236839f66165713b35498992acc958 /drivers/i2c | |
| parent | b31cc4b37e8e33e84e9f990d0d84387f37ef01a1 (diff) | |
| download | linux-e35478eac030990e23a56bf11dc074c5a069124a.tar.gz linux-e35478eac030990e23a56bf11dc074c5a069124a.tar.bz2 linux-e35478eac030990e23a56bf11dc074c5a069124a.zip | |
i2c: mux: demux-pinctrl: run properly with multiple instances
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 <wsa+renesas@sang-engineering.com>
Fixes: 50a5ba87690814 ("i2c: mux: demux-pinctrl: add driver")
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/muxes/i2c-demux-pinctrl.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/i2c/muxes/i2c-demux-pinctrl.c b/drivers/i2c/muxes/i2c-demux-pinctrl.c index b6b9d2582fac..b3893f6282ba 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; @@ -193,6 +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); @@ -203,7 +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); @@ -221,8 +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; |