From: Stephen Boyd Date: Tue, 2 Jun 2015 01:47:54 +0000 (-0700) Subject: regulator: core: Don't spew backtraces on duplicate sysfs X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=ff268b56ce8c86be920e1e6a15d68b168bed66c9;p=deliverable%2Flinux.git regulator: core: Don't spew backtraces on duplicate sysfs We don't consider a failure to add the sysfs node as a problem, so use sysfs_create_link_nowarn() so that we don't print a backtrace when duplicated files exist. Also, downgrade the printk message to a debug statement so that we're quiet here. This allows multiple drivers to request a CPU's regulator so that CPUfreq and AVSish drivers can coexist. Signed-off-by: Stephen Boyd Signed-off-by: Mark Brown --- diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 443eaab933fc..f6989485c382 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -1192,10 +1192,10 @@ static struct regulator *create_regulator(struct regulator_dev *rdev, if (regulator->supply_name == NULL) goto overflow_err; - err = sysfs_create_link(&rdev->dev.kobj, &dev->kobj, + err = sysfs_create_link_nowarn(&rdev->dev.kobj, &dev->kobj, buf); if (err) { - rdev_warn(rdev, "could not add device link %s err %d\n", + rdev_dbg(rdev, "could not add device link %s err %d\n", dev->kobj.name, err); /* non-fatal */ }