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Commit 154881e5 authored by Mark Brown's avatar Mark Brown
Browse files

regmap: Make regmap_check_range_table() a public API 



Allow drivers to use an access table as part of their implementation.

Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 697e85bc

drivers/base/regmap/regmap.c

+7 −7
Original line number Diff line number Diff line
@@ -65,8 +65,7 @@ bool regmap_reg_in_ranges(unsigned int reg, 
}

EXPORT_SYMBOL_GPL(regmap_reg_in_ranges);



static bool _regmap_check_range_table(struct regmap *map,

				      unsigned int reg,

bool regmap_check_range_table(struct regmap *map, unsigned int reg,

			      const struct regmap_access_table *table)

{

	/* Check "no ranges" first */
@@ -80,6 +79,7 @@ static bool _regmap_check_range_table(struct regmap *map, 
	return regmap_reg_in_ranges(reg, table->yes_ranges,

				    table->n_yes_ranges);

}

EXPORT_SYMBOL_GPL(regmap_check_range_table);



bool regmap_writeable(struct regmap *map, unsigned int reg)

{
@@ -90,7 +90,7 @@ bool regmap_writeable(struct regmap *map, unsigned int reg) 
		return map->writeable_reg(map->dev, reg);



	if (map->wr_table)

		return _regmap_check_range_table(map, reg, map->wr_table);

		return regmap_check_range_table(map, reg, map->wr_table);



	return true;

}
@@ -107,7 +107,7 @@ bool regmap_readable(struct regmap *map, unsigned int reg) 
		return map->readable_reg(map->dev, reg);



	if (map->rd_table)

		return _regmap_check_range_table(map, reg, map->rd_table);

		return regmap_check_range_table(map, reg, map->rd_table);



	return true;

}
@@ -121,7 +121,7 @@ bool regmap_volatile(struct regmap *map, unsigned int reg) 
		return map->volatile_reg(map->dev, reg);



	if (map->volatile_table)

		return _regmap_check_range_table(map, reg, map->volatile_table);

		return regmap_check_range_table(map, reg, map->volatile_table);



	return true;

}
@@ -135,7 +135,7 @@ bool regmap_precious(struct regmap *map, unsigned int reg) 
		return map->precious_reg(map->dev, reg);



	if (map->precious_table)

		return _regmap_check_range_table(map, reg, map->precious_table);

		return regmap_check_range_table(map, reg, map->precious_table);



	return false;

}

include/linux/regmap.h

+3 −0
Original line number Diff line number Diff line
@@ -400,6 +400,9 @@ void regcache_cache_only(struct regmap *map, bool enable); 
void regcache_cache_bypass(struct regmap *map, bool enable);

void regcache_mark_dirty(struct regmap *map);



bool regmap_check_range_table(struct regmap *map, unsigned int reg,

			      const struct regmap_access_table *table);



int regmap_register_patch(struct regmap *map, const struct reg_default *regs,

			  int num_regs);