[alsa-devel] Applied "regulator: core: Add regulator_is_equal() helper" to the asoc tree

[Mark Brown <broonie@kernel.org>]

The patch

   regulator: core: Add regulator_is_equal() helper

has been applied to the asoc tree at

   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.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 b059b7e0ec3208ff1e17cff6387d75a9fbab4e02 Mon Sep 17 00:00:00 2001
From: Marek Vasut <marex@denx.de>
Date: Fri, 20 Dec 2019 17:44:49 +0100
Subject: [PATCH] regulator: core: Add regulator_is_equal() helper

Add regulator_is_equal() helper to compare whether two regulators are
the same. This is useful for checking whether two separate regulators
in a driver are actually the same supply.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: Igor Opaniuk <igor.opaniuk@toradex.com>
Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>
Link: https://lore.kernel.org/r/20191220164450.1395038-1-marex@denx.de
Signed-off-by: Mark Brown <broonie@kernel.org>
---
 drivers/regulator/helpers.c        | 14 ++++++++++++++
 include/linux/regulator/consumer.h |  7 +++++++
 2 files changed, 21 insertions(+)

diff --git a/drivers/regulator/helpers.c b/drivers/regulator/helpers.c
index ca3dc3f3bb29..bb16c465426e 100644
--- a/drivers/regulator/helpers.c
+++ b/drivers/regulator/helpers.c
@@ -13,6 +13,8 @@
 #include <linux/regulator/driver.h>
 #include <linux/module.h>
 
+#include "internal.h"
+
 /**
  * regulator_is_enabled_regmap - standard is_enabled() for regmap users
  *
@@ -881,3 +883,15 @@ void regulator_bulk_set_supply_names(struct regulator_bulk_data *consumers,
 		consumers[i].supply = supply_names[i];
 }
 EXPORT_SYMBOL_GPL(regulator_bulk_set_supply_names);
+
+/**
+ * regulator_is_equal - test whether two regulators are the same
+ *
+ * @reg1: first regulator to operate on
+ * @reg2: second regulator to operate on
+ */
+bool regulator_is_equal(struct regulator *reg1, struct regulator *reg2)
+{
+	return reg1->rdev == reg2->rdev;
+}
+EXPORT_SYMBOL_GPL(regulator_is_equal);
diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h
index 337a46391527..2c89d886595c 100644
--- a/include/linux/regulator/consumer.h
+++ b/include/linux/regulator/consumer.h
@@ -287,6 +287,8 @@ void regulator_bulk_set_supply_names(struct regulator_bulk_data *consumers,
 				     const char *const *supply_names,
 				     unsigned int num_supplies);
 
+bool regulator_is_equal(struct regulator *reg1, struct regulator *reg2);
+
 #else
 
 /*
@@ -593,6 +595,11 @@ regulator_bulk_set_supply_names(struct regulator_bulk_data *consumers,
 {
 }
 
+static inline bool
+regulator_is_equal(struct regulator *reg1, struct regulator *reg2);
+{
+	return false;
+}
 #endif
 
 static inline int regulator_set_voltage_triplet(struct regulator *regulator,
-- 
2.20.1

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