linux-kernel - [PATCH 1/2] regulator: core: Use a bitfield for continuous_voltage

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Message-Id: <1453407851-8039-1-git-send-email-broonie@kernel.org>
Date:	Thu, 21 Jan 2016 20:24:10 +0000
From:	Mark Brown <broonie@...nel.org>
To:	Paul Kocialkowski <contact@...lk.fr>
Cc:	Liam Girdwood <lgirdwood@...il.com>, linux-kernel@...r.kernel.org,
	Mark Brown <broonie@...nel.org>
Subject: [PATCH 1/2] regulator: core: Use a bitfield for continuous_voltage_range

Using a bitfield enables the compiler to lay out the structure more
efficiently when we have other boolean flags since multiple values can
be included in a single byte.

Signed-off-by: Mark Brown <broonie@...nel.org>
---
 include/linux/regulator/driver.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
index 16ac9e108806..3ac0f306f033 100644
--- a/include/linux/regulator/driver.h
+++ b/include/linux/regulator/driver.h
@@ -281,7 +281,7 @@ struct regulator_desc {
 			    const struct regulator_desc *,
 			    struct regulator_config *);
 	int id;
-	bool continuous_voltage_range;
+	unsigned int continuous_voltage_range:1;
 	unsigned n_voltages;
 	const struct regulator_ops *ops;
 	int irq;
-- 
2.7.0.rc3