Merge remote-tracking branches 'regmap/topic/noinc' and 'regmap/topic/single-rw' into regmap-next

drivers/base/regmap/internal.h

···
 	bool (*readable_reg)(struct device *dev, unsigned int reg);
 	bool (*volatile_reg)(struct device *dev, unsigned int reg);
 	bool (*precious_reg)(struct device *dev, unsigned int reg);
+	bool (*writeable_noinc_reg)(struct device *dev, unsigned int reg);
 	bool (*readable_noinc_reg)(struct device *dev, unsigned int reg);
 	const struct regmap_access_table *wr_table;
 	const struct regmap_access_table *rd_table;
 	const struct regmap_access_table *volatile_table;
 	const struct regmap_access_table *precious_table;
+	const struct regmap_access_table *wr_noinc_table;
 	const struct regmap_access_table *rd_noinc_table;
 
 	int (*reg_read)(void *context, unsigned int reg, unsigned int *val);
···
 
 	/* if set, converts bulk read to single read */
 	bool use_single_read;
-	/* if set, converts bulk read to single read */
+	/* if set, converts bulk write to single write */
 	bool use_single_write;
 	/* if set, the device supports multi write mode */
 	bool can_multi_write;
···
 bool regmap_readable(struct regmap *map, unsigned int reg);
 bool regmap_volatile(struct regmap *map, unsigned int reg);
 bool regmap_precious(struct regmap *map, unsigned int reg);
+bool regmap_writeable_noinc(struct regmap *map, unsigned int reg);
 bool regmap_readable_noinc(struct regmap *map, unsigned int reg);
 
 int _regmap_write(struct regmap *map, unsigned int reg,

drivers/base/regmap/regmap.c

···
 	return false;
 }
 
+bool regmap_writeable_noinc(struct regmap *map, unsigned int reg)
+{
+	if (map->writeable_noinc_reg)
+		return map->writeable_noinc_reg(map->dev, reg);
+
+	if (map->wr_noinc_table)
+		return regmap_check_range_table(map, reg, map->wr_noinc_table);
+
+	return true;
+}
+
 bool regmap_readable_noinc(struct regmap *map, unsigned int reg)
 {
 	if (map->readable_noinc_reg)
···
 		map->reg_stride_order = ilog2(map->reg_stride);
 	else
 		map->reg_stride_order = -1;
-	map->use_single_read = config->use_single_rw || !bus || !bus->read;
-	map->use_single_write = config->use_single_rw || !bus || !bus->write;
+	map->use_single_read = config->use_single_read || !bus || !bus->read;
+	map->use_single_write = config->use_single_write || !bus || !bus->write;
 	map->can_multi_write = config->can_multi_write && bus && bus->write;
 	if (bus) {
 		map->max_raw_read = bus->max_raw_read;
···
 	map->rd_table = config->rd_table;
 	map->volatile_table = config->volatile_table;
 	map->precious_table = config->precious_table;
+	map->wr_noinc_table = config->wr_noinc_table;
 	map->rd_noinc_table = config->rd_noinc_table;
 	map->writeable_reg = config->writeable_reg;
 	map->readable_reg = config->readable_reg;
 	map->volatile_reg = config->volatile_reg;
 	map->precious_reg = config->precious_reg;
+	map->writeable_noinc_reg = config->writeable_noinc_reg;
 	map->readable_noinc_reg = config->readable_noinc_reg;
 	map->cache_type = config->cache_type;
 
···
 	map->readable_reg = config->readable_reg;
 	map->volatile_reg = config->volatile_reg;
 	map->precious_reg = config->precious_reg;
+	map->writeable_noinc_reg = config->writeable_noinc_reg;
 	map->readable_noinc_reg = config->readable_noinc_reg;
 	map->cache_type = config->cache_type;
 
···
 	return ret;
 }
 EXPORT_SYMBOL_GPL(regmap_raw_write);
+
+/**
+ * regmap_noinc_write(): Write data from a register without incrementing the
+ *			register number
+ *
+ * @map: Register map to write to
+ * @reg: Register to write to
+ * @val: Pointer to data buffer
+ * @val_len: Length of output buffer in bytes.
+ *
+ * The regmap API usually assumes that bulk bus write operations will write a
+ * range of registers. Some devices have certain registers for which a write
+ * operation can write to an internal FIFO.
+ *
+ * The target register must be volatile but registers after it can be
+ * completely unrelated cacheable registers.
+ *
+ * This will attempt multiple writes as required to write val_len bytes.
+ *
+ * A value of zero will be returned on success, a negative errno will be
+ * returned in error cases.
+ */
+int regmap_noinc_write(struct regmap *map, unsigned int reg,
+		      const void *val, size_t val_len)
+{
+	size_t write_len;
+	int ret;
+
+	if (!map->bus)
+		return -EINVAL;
+	if (!map->bus->write)
+		return -ENOTSUPP;
+	if (val_len % map->format.val_bytes)
+		return -EINVAL;
+	if (!IS_ALIGNED(reg, map->reg_stride))
+		return -EINVAL;
+	if (val_len == 0)
+		return -EINVAL;
+
+	map->lock(map->lock_arg);
+
+	if (!regmap_volatile(map, reg) || !regmap_writeable_noinc(map, reg)) {
+		ret = -EINVAL;
+		goto out_unlock;
+	}
+
+	while (val_len) {
+		if (map->max_raw_write && map->max_raw_write < val_len)
+			write_len = map->max_raw_write;
+		else
+			write_len = val_len;
+		ret = _regmap_raw_write(map, reg, val, write_len);
+		if (ret)
+			goto out_unlock;
+		val = ((u8 *)val) + write_len;
+		val_len -= write_len;
+	}
+
+out_unlock:
+	map->unlock(map->lock_arg);
+	return ret;
+}
+EXPORT_SYMBOL_GPL(regmap_noinc_write);
 
 /**
  * regmap_field_update_bits_base() - Perform a read/modify/write cycle a

drivers/edac/altera_edac.c

···
 	.volatile_reg = s10_sdram_volatile_reg,
 	.reg_read = s10_protected_reg_read,
 	.reg_write = s10_protected_reg_write,
-	.use_single_rw = true,
+	.use_single_read = true,
+	.use_single_write = true,
 };
 
 static int altr_s10_sdram_probe(struct platform_device *pdev)

drivers/hwmon/lm75.c

···
 	.volatile_reg = lm75_is_volatile_reg,
 	.val_format_endian = REGMAP_ENDIAN_BIG,
 	.cache_type = REGCACHE_RBTREE,
-	.use_single_rw = true,
+	.use_single_read = true,
+	.use_single_write = true,
 };
 
 static void lm75_remove(void *data)

drivers/hwmon/lm95245.c

···
 	.writeable_reg = lm95245_is_writeable_reg,
 	.volatile_reg = lm95245_is_volatile_reg,
 	.cache_type = REGCACHE_RBTREE,
-	.use_single_rw = true,
+	.use_single_read = true,
+	.use_single_write = true,
 };
 
 static const u32 lm95245_chip_config[] = {

drivers/hwmon/tmp102.c

···
 	.volatile_reg = tmp102_is_volatile_reg,
 	.val_format_endian = REGMAP_ENDIAN_BIG,
 	.cache_type = REGCACHE_RBTREE,
-	.use_single_rw = true,
+	.use_single_read = true,
+	.use_single_write = true,
 };
 
 static int tmp102_probe(struct i2c_client *client,

drivers/hwmon/tmp108.c

···
 	.volatile_reg = tmp108_is_volatile_reg,
 	.val_format_endian = REGMAP_ENDIAN_BIG,
 	.cache_type = REGCACHE_RBTREE,
-	.use_single_rw = true,
+	.use_single_read = true,
+	.use_single_write = true,
 };
 
 static int tmp108_probe(struct i2c_client *client,

drivers/iio/light/apds9960.c

···
 	.name = APDS9960_REGMAP_NAME,
 	.reg_bits = 8,
 	.val_bits = 8,
-	.use_single_rw = 1,
+	.use_single_read = true,
+	.use_single_write = true,
 
 	.volatile_table = &apds9960_volatile_table,
 	.precious_table = &apds9960_precious_table,

drivers/iio/light/max44000.c

···
 }
 
 static const struct regmap_config max44000_regmap_config = {
-	.reg_bits	= 8,
-	.val_bits	= 8,
+	.reg_bits		= 8,
+	.val_bits		= 8,
 
-	.max_register	= MAX44000_REG_PRX_DATA,
-	.readable_reg	= max44000_readable_reg,
-	.writeable_reg	= max44000_writeable_reg,
-	.volatile_reg	= max44000_volatile_reg,
-	.precious_reg	= max44000_precious_reg,
+	.max_register		= MAX44000_REG_PRX_DATA,
+	.readable_reg		= max44000_readable_reg,
+	.writeable_reg		= max44000_writeable_reg,
+	.volatile_reg		= max44000_volatile_reg,
+	.precious_reg		= max44000_precious_reg,
 
-	.use_single_rw	= 1,
-	.cache_type	= REGCACHE_RBTREE,
+	.use_single_read	= true,
+	.use_single_write	= true,
+	.cache_type		= REGCACHE_RBTREE,
 };
 
 static irqreturn_t max44000_trigger_handler(int irq, void *p)

drivers/iio/temperature/mlx90632.c

···
 	.rd_table = &mlx90632_readable_regs_tbl,
 	.wr_table = &mlx90632_writeable_regs_tbl,
 
-	.use_single_rw = true,
+	.use_single_read = true,
+	.use_single_write = true,
 	.reg_format_endian = REGMAP_ENDIAN_BIG,
 	.val_format_endian = REGMAP_ENDIAN_BIG,
 	.cache_type = REGCACHE_RBTREE,

drivers/input/touchscreen/tsc200x-core.c

···
 	.read_flag_mask = TSC200X_REG_READ,
 	.write_flag_mask = TSC200X_REG_PND0,
 	.wr_table = &tsc200x_writable_table,
-	.use_single_rw = true,
+	.use_single_read = true,
+	.use_single_write = true,
 };
 EXPORT_SYMBOL_GPL(tsc200x_regmap_config);
 

drivers/mfd/altera-a10sr.c

···
 
 	.cache_type = REGCACHE_NONE,
 
-	.use_single_rw = true,
+	.use_single_read = true,
+	.use_single_write = true,
 	.read_flag_mask = 1,
 	.write_flag_mask = 0,
 

drivers/mfd/da9052-spi.c

···
 	config.reg_bits = 7;
 	config.pad_bits = 1;
 	config.val_bits = 8;
-	config.use_single_rw = 1;
+	config.use_single_read = true;
+	config.use_single_write = true;
 
 	da9052->regmap = devm_regmap_init_spi(spi, &config);
 	if (IS_ERR(da9052->regmap)) {

drivers/mfd/mc13xxx-spi.c

···
 	.max_register = MC13XXX_NUMREGS,
 
 	.cache_type = REGCACHE_NONE,
-	.use_single_rw = 1,
+	.use_single_read = true,
+	.use_single_write = true,
 };
 
 static int mc13xxx_spi_read(void *context, const void *reg, size_t reg_size,

drivers/mfd/twl6040.c

···
 	.writeable_reg = twl6040_writeable_reg,
 
 	.cache_type = REGCACHE_RBTREE,
-	.use_single_rw = true,
+	.use_single_read = true,
+	.use_single_write = true,
 };
 
 static const struct regmap_irq twl6040_irqs[] = {

drivers/regulator/ltc3589.c

···
 	.max_register = LTC3589_L2DTV2,
 	.reg_defaults = ltc3589_reg_defaults,
 	.num_reg_defaults = ARRAY_SIZE(ltc3589_reg_defaults),
-	.use_single_rw = true,
+	.use_single_read = true,
+	.use_single_write = true,
 	.cache_type = REGCACHE_RBTREE,
 };
 

drivers/regulator/ltc3676.c

···
 	.readable_reg = ltc3676_readable_reg,
 	.volatile_reg = ltc3676_volatile_reg,
 	.max_register = LTC3676_CLIRQ,
-	.use_single_rw = true,
+	.use_single_read = true,
+	.use_single_write = true,
 	.cache_type = REGCACHE_RBTREE,
 };
 

include/linux/regmap.h

···
  *                field is NULL but precious_table (see below) is not, the
  *                check is performed on such table (a register is precious if
  *                it belongs to one of the ranges specified by precious_table).
+ * @writeable_noinc_reg: Optional callback returning true if the register
+ *			supports multiple write operations without incrementing
+ *			the register number. If this field is NULL but
+ *			wr_noinc_table (see below) is not, the check is
+ *			performed on such table (a register is no increment
+ *			writeable if it belongs to one of the ranges specified
+ *			by wr_noinc_table).
  * @readable_noinc_reg: Optional callback returning true if the register
  *			supports multiple read operations without incrementing
  *			the register number. If this field is NULL but
···
  * @rd_table:     As above, for read access.
  * @volatile_table: As above, for volatile registers.
  * @precious_table: As above, for precious registers.
+ * @wr_noinc_table: As above, for no increment writeable registers.
  * @rd_noinc_table: As above, for no increment readable registers.
  * @reg_defaults: Power on reset values for registers (for use with
  *                register cache support).
···
  *                   masks are used.
  * @zero_flag_mask: If set, read_flag_mask and write_flag_mask are used even
  *                   if they are both empty.
- * @use_single_rw: If set, converts the bulk read and write operations into
- *		    a series of single read and write operations. This is useful
- *		    for device that does not support bulk read and write.
+ * @use_single_read: If set, converts the bulk read operation into a series of
+ *                   single read operations. This is useful for a device that
+ *                   does not support  bulk read.
+ * @use_single_write: If set, converts the bulk write operation into a series of
+ *                    single write operations. This is useful for a device that
+ *                    does not support bulk write.
  * @can_multi_write: If set, the device supports the multi write mode of bulk
  *                   write operations, if clear multi write requests will be
  *                   split into individual write operations
···
 	bool (*readable_reg)(struct device *dev, unsigned int reg);
 	bool (*volatile_reg)(struct device *dev, unsigned int reg);
 	bool (*precious_reg)(struct device *dev, unsigned int reg);
+	bool (*writeable_noinc_reg)(struct device *dev, unsigned int reg);
 	bool (*readable_noinc_reg)(struct device *dev, unsigned int reg);
 
 	bool disable_locking;
···
 	const struct regmap_access_table *rd_table;
 	const struct regmap_access_table *volatile_table;
 	const struct regmap_access_table *precious_table;
+	const struct regmap_access_table *wr_noinc_table;
 	const struct regmap_access_table *rd_noinc_table;
 	const struct reg_default *reg_defaults;
 	unsigned int num_reg_defaults;
···
 	unsigned long write_flag_mask;
 	bool zero_flag_mask;
 
-	bool use_single_rw;
+	bool use_single_read;
+	bool use_single_write;
 	bool can_multi_write;
 
 	enum regmap_endian reg_format_endian;
···
 int regmap_write_async(struct regmap *map, unsigned int reg, unsigned int val);
 int regmap_raw_write(struct regmap *map, unsigned int reg,
 		     const void *val, size_t val_len);
+int regmap_noinc_write(struct regmap *map, unsigned int reg,
+		     const void *val, size_t val_len);
 int regmap_bulk_write(struct regmap *map, unsigned int reg, const void *val,
 			size_t val_count);
 int regmap_multi_reg_write(struct regmap *map, const struct reg_sequence *regs,
···
 
 static inline int regmap_raw_write_async(struct regmap *map, unsigned int reg,
 					 const void *val, size_t val_len)
+{
+	WARN_ONCE(1, "regmap API is disabled");
+	return -EINVAL;
+}
+
+static inline int regmap_noinc_write(struct regmap *map, unsigned int reg,
+				    const void *val, size_t val_len)
 {
 	WARN_ONCE(1, "regmap API is disabled");
 	return -EINVAL;

sound/hda/hdac_regmap.c

···
 	.cache_type = REGCACHE_RBTREE,
 	.reg_read = hda_reg_read,
 	.reg_write = hda_reg_write,
-	.use_single_rw = true,
+	.use_single_read = true,
+	.use_single_write = true,
 };
 
 /**

sound/soc/codecs/cs35l33.c

···
 	.readable_reg = cs35l33_readable_register,
 	.writeable_reg = cs35l33_writeable_register,
 	.cache_type = REGCACHE_RBTREE,
-	.use_single_rw = true,
+	.use_single_read = true,
+	.use_single_write = true,
 };
 
 static int __maybe_unused cs35l33_runtime_resume(struct device *dev)

sound/soc/codecs/cs35l35.c

···
 	.readable_reg = cs35l35_readable_register,
 	.precious_reg = cs35l35_precious_register,
 	.cache_type = REGCACHE_RBTREE,
-	.use_single_rw = true,
+	.use_single_read = true,
+	.use_single_write = true,
 };
 
 static irqreturn_t cs35l35_irq(int irq, void *data)

sound/soc/codecs/cs43130.c

···
 	.precious_reg		= cs43130_precious_register,
 	.volatile_reg		= cs43130_volatile_register,
 	.cache_type		= REGCACHE_RBTREE,
-	.use_single_rw		= true, /* needed for regcache_sync */
+	/* needed for regcache_sync */
+	.use_single_read	= true,
+	.use_single_write	= true,
 };
 
 static u16 const cs43130_dc_threshold[CS43130_DC_THRESHOLD] = {

sound/soc/codecs/es8328.c

···
 	.val_bits	= 8,
 	.max_register	= ES8328_REG_MAX,
 	.cache_type	= REGCACHE_RBTREE,
-	.use_single_rw	= true,
+	.use_single_read = true,
+	.use_single_write = true,
 };
 EXPORT_SYMBOL_GPL(es8328_regmap_config);
 

sound/soc/codecs/rt1305.c

···
 	.num_reg_defaults = ARRAY_SIZE(rt1305_reg),
 	.ranges = rt1305_ranges,
 	.num_ranges = ARRAY_SIZE(rt1305_ranges),
-	.use_single_rw = true,
+	.use_single_read = true,
+	.use_single_write = true,
 };
 
 #if defined(CONFIG_OF)

sound/soc/codecs/rt5514.c

···
 	.cache_type = REGCACHE_RBTREE,
 	.reg_defaults = rt5514_reg,
 	.num_reg_defaults = ARRAY_SIZE(rt5514_reg),
-	.use_single_rw = true,
+	.use_single_read = true,
+	.use_single_write = true,
 };
 
 static const struct i2c_device_id rt5514_i2c_id[] = {

sound/soc/codecs/rt5616.c

···
 static const struct regmap_config rt5616_regmap = {
 	.reg_bits = 8,
 	.val_bits = 16,
-	.use_single_rw = true,
+	.use_single_read = true,
+	.use_single_write = true,
 	.max_register = RT5616_DEVICE_ID + 1 + (ARRAY_SIZE(rt5616_ranges) *
 					       RT5616_PR_SPACING),
 	.volatile_reg = rt5616_volatile_register,

sound/soc/codecs/rt5640.c

···
 static const struct regmap_config rt5640_regmap = {
 	.reg_bits = 8,
 	.val_bits = 16,
-	.use_single_rw = true,
+	.use_single_read = true,
+	.use_single_write = true,
 
 	.max_register = RT5640_VENDOR_ID2 + 1 + (ARRAY_SIZE(rt5640_ranges) *
 					       RT5640_PR_SPACING),

sound/soc/codecs/rt5645.c

···
 static const struct regmap_config rt5645_regmap = {
 	.reg_bits = 8,
 	.val_bits = 16,
-	.use_single_rw = true,
+	.use_single_read = true,
+	.use_single_write = true,
 	.max_register = RT5645_VENDOR_ID2 + 1 + (ARRAY_SIZE(rt5645_ranges) *
 					       RT5645_PR_SPACING),
 	.volatile_reg = rt5645_volatile_register,
···
 static const struct regmap_config rt5650_regmap = {
 	.reg_bits = 8,
 	.val_bits = 16,
-	.use_single_rw = true,
+	.use_single_read = true,
+	.use_single_write = true,
 	.max_register = RT5645_VENDOR_ID2 + 1 + (ARRAY_SIZE(rt5645_ranges) *
 					       RT5645_PR_SPACING),
 	.volatile_reg = rt5645_volatile_register,
···
 	.name="nocache",
 	.reg_bits = 8,
 	.val_bits = 16,
-	.use_single_rw = true,
+	.use_single_read = true,
+	.use_single_write = true,
 	.max_register = RT5645_VENDOR_ID2 + 1,
 	.cache_type = REGCACHE_NONE,
 };

sound/soc/codecs/rt5651.c

···
 	.num_reg_defaults = ARRAY_SIZE(rt5651_reg),
 	.ranges = rt5651_ranges,
 	.num_ranges = ARRAY_SIZE(rt5651_ranges),
-	.use_single_rw = true,
+	.use_single_read = true,
+	.use_single_write = true,
 };
 
 #if defined(CONFIG_OF)

sound/soc/codecs/rt5660.c

···
 static const struct regmap_config rt5660_regmap = {
 	.reg_bits = 8,
 	.val_bits = 16,
-	.use_single_rw = true,
+	.use_single_read = true,
+	.use_single_write = true,
 
 	.max_register = RT5660_VENDOR_ID2 + 1 + (ARRAY_SIZE(rt5660_ranges) *
 					       RT5660_PR_SPACING),

sound/soc/codecs/rt5663.c

···
 static const struct regmap_config rt5663_v2_regmap = {
 	.reg_bits = 16,
 	.val_bits = 16,
-	.use_single_rw = true,
+	.use_single_read = true,
+	.use_single_write = true,
 	.max_register = 0x07fa,
 	.volatile_reg = rt5663_v2_volatile_register,
 	.readable_reg = rt5663_v2_readable_register,
···
 static const struct regmap_config rt5663_regmap = {
 	.reg_bits = 16,
 	.val_bits = 16,
-	.use_single_rw = true,
+	.use_single_read = true,
+	.use_single_write = true,
 	.max_register = 0x03f3,
 	.volatile_reg = rt5663_volatile_register,
 	.readable_reg = rt5663_readable_register,
···
 	.name = "nocache",
 	.reg_bits = 16,
 	.val_bits = 16,
-	.use_single_rw = true,
+	.use_single_read = true,
+	.use_single_write = true,
 	.max_register = 0x03f3,
 	.cache_type = REGCACHE_NONE,
 };

sound/soc/codecs/rt5665.c

···
 	.cache_type = REGCACHE_RBTREE,
 	.reg_defaults = rt5665_reg,
 	.num_reg_defaults = ARRAY_SIZE(rt5665_reg),
-	.use_single_rw = true,
+	.use_single_read = true,
+	.use_single_write = true,
 };
 
 static const struct i2c_device_id rt5665_i2c_id[] = {

sound/soc/codecs/rt5668.c

···
 	.cache_type = REGCACHE_RBTREE,
 	.reg_defaults = rt5668_reg,
 	.num_reg_defaults = ARRAY_SIZE(rt5668_reg),
-	.use_single_rw = true,
+	.use_single_read = true,
+	.use_single_write = true,
 };
 
 static const struct i2c_device_id rt5668_i2c_id[] = {

sound/soc/codecs/rt5670.c

···
 static const struct regmap_config rt5670_regmap = {
 	.reg_bits = 8,
 	.val_bits = 16,
-	.use_single_rw = true,
+	.use_single_read = true,
+	.use_single_write = true,
 	.max_register = RT5670_VENDOR_ID2 + 1 + (ARRAY_SIZE(rt5670_ranges) *
 					       RT5670_PR_SPACING),
 	.volatile_reg = rt5670_volatile_register,

sound/soc/codecs/rt5682.c

···
 	.cache_type = REGCACHE_RBTREE,
 	.reg_defaults = rt5682_reg,
 	.num_reg_defaults = ARRAY_SIZE(rt5682_reg),
-	.use_single_rw = true,
+	.use_single_read = true,
+	.use_single_write = true,
 };
 
 static const struct i2c_device_id rt5682_i2c_id[] = {