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[1/2] regulator: core: Use a bitfield for continuous_voltage_range

Message ID 1453407851-8039-1-git-send-email-broonie@kernel.org
State New
Headers show
Series [1/2] regulator: core: Use a bitfield for continuous_voltage_range | expand

Commit Message

Mark Brown Jan. 21, 2016, 8:24 p.m. UTC 
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@kernel.org>

---
 include/linux/regulator/driver.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

-- 
2.7.0.rc3
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Patch

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;