linux-kernel - [PATCH 2/7][RFC] regmap: regmap_field_xxx() uses regmap_raw_update

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Date:	Wed, 10 Feb 2016 02:44:39 +0000
From:	Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
To:	Mark Brown <broonie@...nel.org>,
	Greg KH <gregkh@...uxfoundation.org>
CC:	Linux-Kernel <linux-kernel@...r.kernel.org>,
	Linux-ALSA <alsa-devel@...a-project.org>
Subject: [PATCH 2/7][RFC] regmap: regmap_field_xxx() uses regmap_raw_update_bits()


From: Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>

It can be easy to add _check, _async, _check_async functions

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
---
 drivers/base/regmap/regmap.c | 23 ++++++++++++++---------
 include/linux/regmap.h       | 14 ++++++++++----
 2 files changed, 24 insertions(+), 13 deletions(-)

diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index c91e67b..ed2fc15 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -1690,7 +1690,7 @@ int regmap_raw_write(struct regmap *map, unsigned int reg,
 EXPORT_SYMBOL_GPL(regmap_raw_write);
 
 /**
- * regmap_field_write(): Write a value to a single register field
+ * _regmap_field_write(): Write a value to a single register field
  *
  * @field: Register field to write to
  * @val: Value to be written
@@ -1698,12 +1698,14 @@ EXPORT_SYMBOL_GPL(regmap_raw_write);
  * A value of zero will be returned on success, a negative errno will
  * be returned in error cases.
  */
-int regmap_field_write(struct regmap_field *field, unsigned int val)
+int _regmap_field_write(struct regmap_field *field, unsigned int val,
+			bool *change, bool async, bool force)
 {
-	return regmap_update_bits(field->regmap, field->reg,
-				field->mask, val << field->shift);
+	return regmap_raw_update_bits(field->regmap, field->reg,
+				      field->mask, val << field->shift,
+				      change, async, force);
 }
-EXPORT_SYMBOL_GPL(regmap_field_write);
+EXPORT_SYMBOL_GPL(_regmap_field_write);
 
 /**
  * regmap_field_update_bits():	Perform a read/modify/write cycle
@@ -1716,14 +1718,17 @@ EXPORT_SYMBOL_GPL(regmap_field_write);
  * A value of zero will be returned on success, a negative errno will
  * be returned in error cases.
  */
-int regmap_field_update_bits(struct regmap_field *field, unsigned int mask, unsigned int val)
+int _regmap_field_update_bits(struct regmap_field *field,
+			      unsigned int mask, unsigned int val,
+			      bool *change, bool async, bool force)
 {
 	mask = (mask << field->shift) & field->mask;
 
-	return regmap_update_bits(field->regmap, field->reg,
-				  mask, val << field->shift);
+	return regmap_raw_update_bits(field->regmap, field->reg,
+				      mask, val << field->shift,
+				      change, async, force);
 }
-EXPORT_SYMBOL_GPL(regmap_field_update_bits);
+EXPORT_SYMBOL_GPL(_regmap_field_update_bits);
 
 /**
  * regmap_fields_write(): Write a value to a single register field with port ID
diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index 0b8b76a..e3e54364 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -74,6 +74,11 @@ struct reg_sequence {
 #define regmap_update_bits_check_async(map, reg, mask, val, change)\
 	regmap_raw_update_bits(map, reg, mask, val, change, true, false)
 
+#define regmap_field_write(field, val) \
+	_regmap_field_write(field, val, NULL, false, false)
+#define regmap_field_update_bits(field, mask, val)\
+	_regmap_field_update_bits(field, mask, val, NULL, false, false)
+
 #ifdef CONFIG_REGMAP
 
 enum regmap_endian {
@@ -772,10 +777,11 @@ struct regmap_field *devm_regmap_field_alloc(struct device *dev,
 void devm_regmap_field_free(struct device *dev,	struct regmap_field *field);
 
 int regmap_field_read(struct regmap_field *field, unsigned int *val);
-int regmap_field_write(struct regmap_field *field, unsigned int val);
-int regmap_field_update_bits(struct regmap_field *field,
-			     unsigned int mask, unsigned int val);
-
+int _regmap_field_write(struct regmap_field *field, unsigned int val,
+			bool *change, bool async, bool force);
+int _regmap_field_update_bits(struct regmap_field *field,
+			      unsigned int mask, unsigned int val,
+			      bool *change, bool async, bool force);
 int regmap_fields_write(struct regmap_field *field, unsigned int id,
 			unsigned int val);
 int regmap_fields_force_write(struct regmap_field *field, unsigned int id,
-- 
1.9.1