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authorWolfram Sang <wsa+renesas@sang-engineering.com>2018-04-30 14:08:42 +0200
committerPeter Rosin <peda@axentia.se>2018-05-19 23:54:36 +0200
commitfca700d6d2190292f34282d50b613a9efb100f70 (patch)
tree8a24481867221deb6ad1b3afad282bd5e5049721 /drivers/i2c/muxes
parenti2c: mux: ltc4306: switch to using .probe_new (diff)
downloadlinux-dev-fca700d6d2190292f34282d50b613a9efb100f70.tar.xz
linux-dev-fca700d6d2190292f34282d50b613a9efb100f70.zip
i2c: mux: demux-pinctrl: disable PM user interface
The demux device is only a logical device with no children. So, no RuntimePM is needed, let's disable the sysfs interface for it. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Peter Rosin <peda@axentia.se>
Diffstat (limited to 'drivers/i2c/muxes')
-rw-r--r--drivers/i2c/muxes/i2c-demux-pinctrl.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/i2c/muxes/i2c-demux-pinctrl.c b/drivers/i2c/muxes/i2c-demux-pinctrl.c
index 33ce032cb701..428de4c97fb2 100644
--- a/drivers/i2c/muxes/i2c-demux-pinctrl.c
+++ b/drivers/i2c/muxes/i2c-demux-pinctrl.c
@@ -18,6 +18,7 @@
#include <linux/of.h>
#include <linux/pinctrl/consumer.h>
#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
#include <linux/slab.h>
#include <linux/sysfs.h>
@@ -254,6 +255,8 @@ static int i2c_demux_pinctrl_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, priv);
+ pm_runtime_no_callbacks(&pdev->dev);
+
/* switch to first parent as active master */
i2c_demux_activate_master(priv, 0);