linux-kernel - [PATCH 07/15 v2][RFC] regmap: merge regmap_field

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Date:	Mon, 15 Feb 2016 05:24:15 +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 07/15 v2][RFC] regmap: merge regmap_field_write() into macro


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

This patch merges regmap_field_write() into macro
by using regmap_field_update_bits_base().

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
---
 drivers/base/regmap/regmap.c | 16 ----------------
 include/linux/regmap.h       |  4 +++-
 2 files changed, 3 insertions(+), 17 deletions(-)

diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index e534105..228dce2 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -1717,22 +1717,6 @@ int regmap_field_update_bits_base(struct regmap_field *field,
 EXPORT_SYMBOL_GPL(regmap_field_update_bits_base);
 
 /**
- * regmap_field_write(): Write a value to a single register field
- *
- * @field: Register field to write to
- * @val: Value to be written
- *
- * 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)
-{
-	return regmap_update_bits(field->regmap, field->reg,
-				field->mask, val << field->shift);
-}
-EXPORT_SYMBOL_GPL(regmap_field_write);
-
-/**
  * regmap_field_update_bits():	Perform a read/modify/write cycle
  *                              on the register field
  *
diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index 23bf765..13e9ebd 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -74,6 +74,9 @@ struct reg_sequence {
 #define	regmap_update_bits_check_async(map, reg, mask, val, change)\
 	regmap_update_bits_base(map, reg, mask, val, change, true, false)
 
+#define	regmap_field_write(field, val) \
+	regmap_field_update_bits_base(field, ~0, val, NULL, false, false)
+
 #ifdef CONFIG_REGMAP
 
 enum regmap_endian {
@@ -772,7 +775,6 @@ 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_base(struct regmap_field *field,
 				  unsigned int mask, unsigned int val,
 				  bool *change, bool async, bool force);
-- 
1.9.1