linux-kernel - Applied "regulator: core: Print at debug level on debugfs creation failure" to the regmap tree

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Message-Id: <E1ZQR0q-0004V4-BF@finisterre>
Date:	Fri, 14 Aug 2015 19:16:00 -0700
From:	Mark Brown <broonie@...nel.org>
To:	Stephen Boyd <sboyd@...eaurora.org>,
	Mark Brown <broonie@...nel.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Applied "regulator: core: Print at debug level on debugfs creation failure" to the regmap tree

The patch

   regulator: core: Print at debug level on debugfs creation failure

has been applied to the regmap tree at

   git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap.git 

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.  

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying
to this mail.

Thanks,
Mark

>From ad3a942bd22fd40a0f4ddaf2759946ce945662af Mon Sep 17 00:00:00 2001
From: Stephen Boyd <sboyd@...eaurora.org>
Date: Mon, 1 Jun 2015 18:47:55 -0700
Subject: [PATCH] regulator: core: Print at debug level on debugfs creation
 failure

Failure to create a debugfs node is not an error, but we print a
warning upon failure to create the node. Downgrade this to a
debug printk so that we're quiet here. This allows multiple
drivers to request a CPU's regulator so that CPUfreq and AVSish
drivers can coexist.

The downside of this approach is that whoever gets to debugfs first
the others who come later to not have any debugfs attributes associated
with them.

Signed-off-by: Stephen Boyd <sboyd@...eaurora.org>
Signed-off-by: Mark Brown <broonie@...nel.org>
---
 drivers/regulator/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index c9f7201..c203f3e 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1240,7 +1240,7 @@ static struct regulator *create_regulator(struct regulator_dev *rdev,
 	regulator->debugfs = debugfs_create_dir(regulator->supply_name,
 						rdev->debugfs);
 	if (!regulator->debugfs) {
-		rdev_warn(rdev, "Failed to create debugfs directory\n");
+		rdev_dbg(rdev, "Failed to create debugfs directory\n");
 	} else {
 		debugfs_create_u32("uA_load", 0444, regulator->debugfs,
 				   &regulator->uA_load);
-- 
2.5.0

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