From: Alex Hemme Date: Sat, 19 Nov 2016 09:48:38 +0000 (+0100) Subject: i2c: i2c-mux-pca954x: fix deselect enabling for device-tree X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=ad092de60f865c1ad94221bd06d381ecea446cc8;p=openwrt%2Fstaging%2Fblogic.git i2c: i2c-mux-pca954x: fix deselect enabling for device-tree Deselect functionality can be ignored for device-trees with "i2c-mux-idle-disconnect" entries if no platform_data is available. By enabling the deselect functionality outside the platform_data block the logic works as it did in previous kernels. Fixes: 7fcac9807175 ("i2c: i2c-mux-pca954x: convert to use an explicit i2c mux core") Cc: # v4.7+ Signed-off-by: Alex Hemme Signed-off-by: Ziyang Wu [touched up a few minor issues /peda] Signed-off-by: Peter Rosin Signed-off-by: Wolfram Sang --- diff --git a/drivers/i2c/muxes/i2c-mux-pca954x.c b/drivers/i2c/muxes/i2c-mux-pca954x.c index 1091346f2480..8bc3d36d2837 100644 --- a/drivers/i2c/muxes/i2c-mux-pca954x.c +++ b/drivers/i2c/muxes/i2c-mux-pca954x.c @@ -268,9 +268,9 @@ static int pca954x_probe(struct i2c_client *client, /* discard unconfigured channels */ break; idle_disconnect_pd = pdata->modes[num].deselect_on_exit; - data->deselect |= (idle_disconnect_pd - || idle_disconnect_dt) << num; } + data->deselect |= (idle_disconnect_pd || + idle_disconnect_dt) << num; ret = i2c_mux_add_adapter(muxc, force, num, class);