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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 <sboyd@codeaurora.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
hifive-unleashed-5.1
Stephen Boyd 2015-06-01 18:47:54 -07:00 committed by Mark Brown
parent b787f68c36
commit ff268b56ce
1 changed files with 2 additions and 2 deletions
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4
drivers/regulator/core.c
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@ -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 */
}