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authorMark Brown <broonie@kernel.org>2016-03-05 21:30:41 +0900
committerMark Brown <broonie@kernel.org>2016-03-05 21:30:41 +0900
commitd25263d917caadba52275bf95c9b3400fe77edbe (patch)
treedc6e8c0e3e287d4619421b83970b1c0c90d9e249
parentMerge remote-tracking branches 'regmap/topic/devm-irq', 'regmap/topic/doc', 'regmap/topic/irq' and 'regmap/topic/stride' into regmap-next (diff)
parentregmap: replace regmap_write_bits() (diff)
downloadlinux-dev-d25263d917caadba52275bf95c9b3400fe77edbe.tar.xz
linux-dev-d25263d917caadba52275bf95c9b3400fe77edbe.zip
Merge remote-tracking branch 'regmap/topic/update-bits' into regmap-next
-rw-r--r--drivers/base/regmap/regmap.c217
-rw-r--r--include/linux/regmap.h97
2 files changed, 88 insertions, 226 deletions
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index 8c25635164be..df2d2ef5d6b3 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -1698,100 +1698,63 @@ 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
- *
- * @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
+ * regmap_field_update_bits_base():
+ * Perform a read/modify/write cycle on the register field
+ * with change, async, force option
*
* @field: Register field to write to
* @mask: Bitmask to change
* @val: Value to be written
+ * @change: Boolean indicating if a write was done
+ * @async: Boolean indicating asynchronously
+ * @force: Boolean indicating use force update
*
* 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_base(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);
-}
-EXPORT_SYMBOL_GPL(regmap_field_update_bits);
-
-/**
- * regmap_fields_write(): Write a value to a single register field with port ID
- *
- * @field: Register field to write to
- * @id: port ID
- * @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_fields_write(struct regmap_field *field, unsigned int id,
- unsigned int val)
-{
- if (id >= field->id_size)
- return -EINVAL;
-
- return regmap_update_bits(field->regmap,
- field->reg + (field->id_offset * id),
- field->mask, val << field->shift);
-}
-EXPORT_SYMBOL_GPL(regmap_fields_write);
-
-int regmap_fields_force_write(struct regmap_field *field, unsigned int id,
- unsigned int val)
-{
- if (id >= field->id_size)
- return -EINVAL;
-
- return regmap_write_bits(field->regmap,
- field->reg + (field->id_offset * id),
- field->mask, val << field->shift);
+ return regmap_update_bits_base(field->regmap, field->reg,
+ mask, val << field->shift,
+ change, async, force);
}
-EXPORT_SYMBOL_GPL(regmap_fields_force_write);
+EXPORT_SYMBOL_GPL(regmap_field_update_bits_base);
/**
- * regmap_fields_update_bits(): Perform a read/modify/write cycle
- * on the register field
+ * regmap_fields_update_bits_base():
+ * Perform a read/modify/write cycle on the register field
+ * with change, async, force option
*
* @field: Register field to write to
* @id: port ID
* @mask: Bitmask to change
* @val: Value to be written
+ * @change: Boolean indicating if a write was done
+ * @async: Boolean indicating asynchronously
+ * @force: Boolean indicating use force update
*
* A value of zero will be returned on success, a negative errno will
* be returned in error cases.
*/
-int regmap_fields_update_bits(struct regmap_field *field, unsigned int id,
- unsigned int mask, unsigned int val)
+int regmap_fields_update_bits_base(struct regmap_field *field, unsigned int id,
+ unsigned int mask, unsigned int val,
+ bool *change, bool async, bool force)
{
if (id >= field->id_size)
return -EINVAL;
mask = (mask << field->shift) & field->mask;
- return regmap_update_bits(field->regmap,
- field->reg + (field->id_offset * id),
- mask, val << field->shift);
+ return regmap_update_bits_base(field->regmap,
+ field->reg + (field->id_offset * id),
+ mask, val << field->shift,
+ change, async, force);
}
-EXPORT_SYMBOL_GPL(regmap_fields_update_bits);
+EXPORT_SYMBOL_GPL(regmap_fields_update_bits_base);
/*
* regmap_bulk_write(): Write multiple registers to the device
@@ -2660,138 +2623,36 @@ static int _regmap_update_bits(struct regmap *map, unsigned int reg,
}
/**
- * regmap_update_bits: Perform a read/modify/write cycle on the register map
- *
- * @map: Register map to update
- * @reg: Register to update
- * @mask: Bitmask to change
- * @val: New value for bitmask
- *
- * Returns zero for success, a negative number on error.
- */
-int regmap_update_bits(struct regmap *map, unsigned int reg,
- unsigned int mask, unsigned int val)
-{
- int ret;
-
- map->lock(map->lock_arg);
- ret = _regmap_update_bits(map, reg, mask, val, NULL, false);
- map->unlock(map->lock_arg);
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(regmap_update_bits);
-
-/**
- * regmap_write_bits: Perform a read/modify/write cycle on the register map
- *
- * @map: Register map to update
- * @reg: Register to update
- * @mask: Bitmask to change
- * @val: New value for bitmask
- *
- * Returns zero for success, a negative number on error.
- */
-int regmap_write_bits(struct regmap *map, unsigned int reg,
- unsigned int mask, unsigned int val)
-{
- int ret;
-
- map->lock(map->lock_arg);
- ret = _regmap_update_bits(map, reg, mask, val, NULL, true);
- map->unlock(map->lock_arg);
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(regmap_write_bits);
-
-/**
- * regmap_update_bits_async: Perform a read/modify/write cycle on the register
- * map asynchronously
- *
- * @map: Register map to update
- * @reg: Register to update
- * @mask: Bitmask to change
- * @val: New value for bitmask
- *
- * With most buses the read must be done synchronously so this is most
- * useful for devices with a cache which do not need to interact with
- * the hardware to determine the current register value.
- *
- * Returns zero for success, a negative number on error.
- */
-int regmap_update_bits_async(struct regmap *map, unsigned int reg,
- unsigned int mask, unsigned int val)
-{
- int ret;
-
- map->lock(map->lock_arg);
-
- map->async = true;
-
- ret = _regmap_update_bits(map, reg, mask, val, NULL, false);
-
- map->async = false;
-
- map->unlock(map->lock_arg);
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(regmap_update_bits_async);
-
-/**
- * regmap_update_bits_check: Perform a read/modify/write cycle on the
- * register map and report if updated
- *
- * @map: Register map to update
- * @reg: Register to update
- * @mask: Bitmask to change
- * @val: New value for bitmask
- * @change: Boolean indicating if a write was done
- *
- * Returns zero for success, a negative number on error.
- */
-int regmap_update_bits_check(struct regmap *map, unsigned int reg,
- unsigned int mask, unsigned int val,
- bool *change)
-{
- int ret;
-
- map->lock(map->lock_arg);
- ret = _regmap_update_bits(map, reg, mask, val, change, false);
- map->unlock(map->lock_arg);
- return ret;
-}
-EXPORT_SYMBOL_GPL(regmap_update_bits_check);
-
-/**
- * regmap_update_bits_check_async: Perform a read/modify/write cycle on the
- * register map asynchronously and report if
- * updated
+ * regmap_update_bits_base:
+ * Perform a read/modify/write cycle on the
+ * register map with change, async, force option
*
* @map: Register map to update
* @reg: Register to update
* @mask: Bitmask to change
* @val: New value for bitmask
* @change: Boolean indicating if a write was done
+ * @async: Boolean indicating asynchronously
+ * @force: Boolean indicating use force update
*
+ * if async was true,
* With most buses the read must be done synchronously so this is most
* useful for devices with a cache which do not need to interact with
* the hardware to determine the current register value.
*
* Returns zero for success, a negative number on error.
*/
-int regmap_update_bits_check_async(struct regmap *map, unsigned int reg,
- unsigned int mask, unsigned int val,
- bool *change)
+int regmap_update_bits_base(struct regmap *map, unsigned int reg,
+ unsigned int mask, unsigned int val,
+ bool *change, bool async, bool force)
{
int ret;
map->lock(map->lock_arg);
- map->async = true;
+ map->async = async;
- ret = _regmap_update_bits(map, reg, mask, val, change, false);
+ ret = _regmap_update_bits(map, reg, mask, val, change, force);
map->async = false;
@@ -2799,7 +2660,7 @@ int regmap_update_bits_check_async(struct regmap *map, unsigned int reg,
return ret;
}
-EXPORT_SYMBOL_GPL(regmap_update_bits_check_async);
+EXPORT_SYMBOL_GPL(regmap_update_bits_base);
void regmap_async_complete_cb(struct regmap_async *async, int ret)
{
diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index 182602bca923..3dc08ce15426 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -65,6 +65,36 @@ struct reg_sequence {
unsigned int delay_us;
};
+#define regmap_update_bits(map, reg, mask, val) \
+ regmap_update_bits_base(map, reg, mask, val, NULL, false, false)
+#define regmap_update_bits_async(map, reg, mask, val)\
+ regmap_update_bits_base(map, reg, mask, val, NULL, true, false)
+#define regmap_update_bits_check(map, reg, mask, val, change)\
+ regmap_update_bits_base(map, reg, mask, val, change, false, false)
+#define regmap_update_bits_check_async(map, reg, mask, val, change)\
+ regmap_update_bits_base(map, reg, mask, val, change, true, false)
+
+#define regmap_write_bits(map, reg, mask, val) \
+ regmap_update_bits_base(map, reg, mask, val, NULL, false, true)
+
+#define regmap_field_write(field, val) \
+ regmap_field_update_bits_base(field, ~0, val, NULL, false, false)
+#define regmap_field_force_write(field, val) \
+ regmap_field_update_bits_base(field, ~0, val, NULL, false, true)
+#define regmap_field_update_bits(field, mask, val)\
+ regmap_field_update_bits_base(field, mask, val, NULL, false, false)
+#define regmap_field_force_update_bits(field, mask, val) \
+ regmap_field_update_bits_base(field, mask, val, NULL, false, true)
+
+#define regmap_fields_write(field, id, val) \
+ regmap_fields_update_bits_base(field, id, ~0, val, NULL, false, false)
+#define regmap_fields_force_write(field, id, val) \
+ regmap_fields_update_bits_base(field, id, ~0, val, NULL, false, true)
+#define regmap_fields_update_bits(field, id, mask, val)\
+ regmap_fields_update_bits_base(field, id, mask, val, NULL, false, false)
+#define regmap_fields_force_update_bits(field, id, mask, val) \
+ regmap_fields_update_bits_base(field, id, mask, val, NULL, false, true)
+
#ifdef CONFIG_REGMAP
enum regmap_endian {
@@ -691,18 +721,9 @@ int regmap_raw_read(struct regmap *map, unsigned int reg,
void *val, size_t val_len);
int regmap_bulk_read(struct regmap *map, unsigned int reg, void *val,
size_t val_count);
-int regmap_update_bits(struct regmap *map, unsigned int reg,
- unsigned int mask, unsigned int val);
-int regmap_write_bits(struct regmap *map, unsigned int reg,
- unsigned int mask, unsigned int val);
-int regmap_update_bits_async(struct regmap *map, unsigned int reg,
- unsigned int mask, unsigned int val);
-int regmap_update_bits_check(struct regmap *map, unsigned int reg,
- unsigned int mask, unsigned int val,
- bool *change);
-int regmap_update_bits_check_async(struct regmap *map, unsigned int reg,
- unsigned int mask, unsigned int val,
- bool *change);
+int regmap_update_bits_base(struct regmap *map, unsigned int reg,
+ unsigned int mask, unsigned int val,
+ bool *change, bool async, bool force);
int regmap_get_val_bytes(struct regmap *map);
int regmap_get_max_register(struct regmap *map);
int regmap_get_reg_stride(struct regmap *map);
@@ -770,18 +791,14 @@ 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_fields_write(struct regmap_field *field, unsigned int id,
- unsigned int val);
-int regmap_fields_force_write(struct regmap_field *field, unsigned int id,
- 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);
int regmap_fields_read(struct regmap_field *field, unsigned int id,
unsigned int *val);
-int regmap_fields_update_bits(struct regmap_field *field, unsigned int id,
- unsigned int mask, unsigned int val);
+int regmap_fields_update_bits_base(struct regmap_field *field, unsigned int id,
+ unsigned int mask, unsigned int val,
+ bool *change, bool async, bool force);
/**
* Description of an IRQ for the generic regmap irq_chip.
@@ -945,42 +962,26 @@ static inline int regmap_bulk_read(struct regmap *map, unsigned int reg,
return -EINVAL;
}
-static inline int regmap_update_bits(struct regmap *map, unsigned int reg,
- unsigned int mask, unsigned int val)
-{
- WARN_ONCE(1, "regmap API is disabled");
- return -EINVAL;
-}
-
-static inline int regmap_write_bits(struct regmap *map, unsigned int reg,
- unsigned int mask, unsigned int val)
+static inline int regmap_update_bits_base(struct regmap *map, unsigned int reg,
+ unsigned int mask, unsigned int val,
+ bool *change, bool async, bool force)
{
WARN_ONCE(1, "regmap API is disabled");
return -EINVAL;
}
-static inline int regmap_update_bits_async(struct regmap *map,
- unsigned int reg,
- unsigned int mask, unsigned int val)
+static inline int regmap_field_update_bits_base(struct regmap_field *field,
+ unsigned int mask, unsigned int val,
+ bool *change, bool async, bool force)
{
WARN_ONCE(1, "regmap API is disabled");
return -EINVAL;
}
-static inline int regmap_update_bits_check(struct regmap *map,
- unsigned int reg,
- unsigned int mask, unsigned int val,
- bool *change)
-{
- WARN_ONCE(1, "regmap API is disabled");
- return -EINVAL;
-}
-
-static inline int regmap_update_bits_check_async(struct regmap *map,
- unsigned int reg,
- unsigned int mask,
- unsigned int val,
- bool *change)
+static inline int regmap_fields_update_bits_base(struct regmap_field *field,
+ unsigned int id,
+ unsigned int mask, unsigned int val,
+ bool *change, bool async, bool force)
{
WARN_ONCE(1, "regmap API is disabled");
return -EINVAL;