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regmap: Fixup the kernel-doc comments on functions/structures
Most of the kernel-doc comments in regmap don't actually generate correctly. This patch fixes up a few common issues, corrects some typos and adds some missing argument descriptions. The most common issues being using a : after the function name which causes the short description to not render correctly and not separating the long and short descriptions of the function. There are quite a few instances of arguments not being described or given the wrong name as well. This patch doesn't fixup functions/structures that are currently missing descriptions. Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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4 changed files with 179 additions and 143 deletions
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@ -39,12 +39,13 @@ enum regcache_type {
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};
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/**
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* Default value for a register. We use an array of structs rather
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* than a simple array as many modern devices have very sparse
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* register maps.
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* struct reg_default - Default value for a register.
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*
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* @reg: Register address.
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* @def: Register default value.
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*
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* We use an array of structs rather than a simple array as many modern devices
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* have very sparse register maps.
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*/
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struct reg_default {
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unsigned int reg;
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@ -52,12 +53,14 @@ struct reg_default {
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};
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/**
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* Register/value pairs for sequences of writes with an optional delay in
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* microseconds to be applied after each write.
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* struct reg_sequence - An individual write from a sequence of writes.
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*
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* @reg: Register address.
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* @def: Register value.
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* @delay_us: Delay to be applied after the register write in microseconds
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*
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* Register/value pairs for sequences of writes with an optional delay in
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* microseconds to be applied after each write.
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*/
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struct reg_sequence {
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unsigned int reg;
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@ -97,6 +100,7 @@ struct reg_sequence {
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/**
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* regmap_read_poll_timeout - Poll until a condition is met or a timeout occurs
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*
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* @map: Regmap to read from
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* @addr: Address to poll
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* @val: Unsigned integer variable to read the value into
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@ -145,8 +149,8 @@ enum regmap_endian {
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};
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/**
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* A register range, used for access related checks
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* (readable/writeable/volatile/precious checks)
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* struct regmap_range - A register range, used for access related checks
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* (readable/writeable/volatile/precious checks)
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*
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* @range_min: address of first register
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* @range_max: address of last register
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@ -158,16 +162,18 @@ struct regmap_range {
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#define regmap_reg_range(low, high) { .range_min = low, .range_max = high, }
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/*
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* A table of ranges including some yes ranges and some no ranges.
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* If a register belongs to a no_range, the corresponding check function
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* will return false. If a register belongs to a yes range, the corresponding
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* check function will return true. "no_ranges" are searched first.
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/**
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* struct regmap_access_table - A table of register ranges for access checks
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*
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* @yes_ranges : pointer to an array of regmap ranges used as "yes ranges"
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* @n_yes_ranges: size of the above array
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* @no_ranges: pointer to an array of regmap ranges used as "no ranges"
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* @n_no_ranges: size of the above array
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*
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* A table of ranges including some yes ranges and some no ranges.
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* If a register belongs to a no_range, the corresponding check function
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* will return false. If a register belongs to a yes range, the corresponding
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* check function will return true. "no_ranges" are searched first.
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*/
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struct regmap_access_table {
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const struct regmap_range *yes_ranges;
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@ -180,7 +186,7 @@ typedef void (*regmap_lock)(void *);
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typedef void (*regmap_unlock)(void *);
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/**
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* Configuration for the register map of a device.
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* struct regmap_config - Configuration for the register map of a device.
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*
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* @name: Optional name of the regmap. Useful when a device has multiple
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* register regions.
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@ -313,22 +319,24 @@ struct regmap_config {
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};
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/**
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* Configuration for indirectly accessed or paged registers.
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* Registers, mapped to this virtual range, are accessed in two steps:
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* 1. page selector register update;
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* 2. access through data window registers.
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* struct regmap_range_cfg - Configuration for indirectly accessed or paged
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* registers.
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*
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* @name: Descriptive name for diagnostics
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*
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* @range_min: Address of the lowest register address in virtual range.
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* @range_max: Address of the highest register in virtual range.
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*
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* @page_sel_reg: Register with selector field.
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* @page_sel_mask: Bit shift for selector value.
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* @page_sel_shift: Bit mask for selector value.
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* @selector_reg: Register with selector field.
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* @selector_mask: Bit shift for selector value.
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* @selector_shift: Bit mask for selector value.
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*
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* @window_start: Address of first (lowest) register in data window.
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* @window_len: Number of registers in data window.
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*
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* Registers, mapped to this virtual range, are accessed in two steps:
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* 1. page selector register update;
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* 2. access through data window registers.
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*/
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struct regmap_range_cfg {
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const char *name;
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@ -371,7 +379,8 @@ typedef struct regmap_async *(*regmap_hw_async_alloc)(void);
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typedef void (*regmap_hw_free_context)(void *context);
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/**
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* Description of a hardware bus for the register map infrastructure.
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* struct regmap_bus - Description of a hardware bus for the register map
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* infrastructure.
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*
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* @fast_io: Register IO is fast. Use a spinlock instead of a mutex
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* to perform locking. This field is ignored if custom lock/unlock
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@ -384,6 +393,10 @@ typedef void (*regmap_hw_free_context)(void *context);
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* must serialise with respect to non-async I/O.
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* @reg_write: Write a single register value to the given register address. This
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* write operation has to complete when returning from the function.
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* @reg_update_bits: Update bits operation to be used against volatile
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* registers, intended for devices supporting some mechanism
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* for setting clearing bits without having to
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* read/modify/write.
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* @read: Read operation. Data is returned in the buffer used to transmit
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* data.
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* @reg_read: Read a single register value from a given register address.
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@ -513,7 +526,7 @@ struct regmap *__devm_regmap_init_ac97(struct snd_ac97 *ac97,
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#endif
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/**
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* regmap_init(): Initialise register map
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* regmap_init() - Initialise register map
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*
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* @dev: Device that will be interacted with
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* @bus: Bus-specific callbacks to use with device
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@ -531,7 +544,7 @@ int regmap_attach_dev(struct device *dev, struct regmap *map,
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const struct regmap_config *config);
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/**
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* regmap_init_i2c(): Initialise register map
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* regmap_init_i2c() - Initialise register map
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*
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* @i2c: Device that will be interacted with
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* @config: Configuration for register map
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@ -544,9 +557,9 @@ int regmap_attach_dev(struct device *dev, struct regmap *map,
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i2c, config)
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/**
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* regmap_init_spi(): Initialise register map
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* regmap_init_spi() - Initialise register map
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*
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* @spi: Device that will be interacted with
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* @dev: Device that will be interacted with
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* @config: Configuration for register map
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*
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* The return value will be an ERR_PTR() on error or a valid pointer to
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@ -557,8 +570,9 @@ int regmap_attach_dev(struct device *dev, struct regmap *map,
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dev, config)
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/**
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* regmap_init_spmi_base(): Create regmap for the Base register space
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* @sdev: SPMI device that will be interacted with
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* regmap_init_spmi_base() - Create regmap for the Base register space
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*
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* @dev: SPMI device that will be interacted with
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* @config: Configuration for register map
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*
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* The return value will be an ERR_PTR() on error or a valid pointer to
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@ -569,8 +583,9 @@ int regmap_attach_dev(struct device *dev, struct regmap *map,
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dev, config)
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/**
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* regmap_init_spmi_ext(): Create regmap for Ext register space
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* @sdev: Device that will be interacted with
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* regmap_init_spmi_ext() - Create regmap for Ext register space
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*
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* @dev: Device that will be interacted with
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* @config: Configuration for register map
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*
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* The return value will be an ERR_PTR() on error or a valid pointer to
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@ -581,7 +596,7 @@ int regmap_attach_dev(struct device *dev, struct regmap *map,
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dev, config)
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/**
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* regmap_init_mmio_clk(): Initialise register map with register clock
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* regmap_init_mmio_clk() - Initialise register map with register clock
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*
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* @dev: Device that will be interacted with
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* @clk_id: register clock consumer ID
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@ -596,7 +611,7 @@ int regmap_attach_dev(struct device *dev, struct regmap *map,
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dev, clk_id, regs, config)
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/**
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* regmap_init_mmio(): Initialise register map
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* regmap_init_mmio() - Initialise register map
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*
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* @dev: Device that will be interacted with
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* @regs: Pointer to memory-mapped IO region
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@ -609,7 +624,7 @@ int regmap_attach_dev(struct device *dev, struct regmap *map,
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regmap_init_mmio_clk(dev, NULL, regs, config)
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/**
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* regmap_init_ac97(): Initialise AC'97 register map
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* regmap_init_ac97() - Initialise AC'97 register map
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*
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* @ac97: Device that will be interacted with
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* @config: Configuration for register map
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@ -623,7 +638,7 @@ int regmap_attach_dev(struct device *dev, struct regmap *map,
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bool regmap_ac97_default_volatile(struct device *dev, unsigned int reg);
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/**
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* devm_regmap_init(): Initialise managed register map
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* devm_regmap_init() - Initialise managed register map
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*
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* @dev: Device that will be interacted with
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* @bus: Bus-specific callbacks to use with device
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@ -640,7 +655,7 @@ bool regmap_ac97_default_volatile(struct device *dev, unsigned int reg);
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dev, bus, bus_context, config)
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/**
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* devm_regmap_init_i2c(): Initialise managed register map
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* devm_regmap_init_i2c() - Initialise managed register map
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*
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* @i2c: Device that will be interacted with
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* @config: Configuration for register map
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@ -654,9 +669,9 @@ bool regmap_ac97_default_volatile(struct device *dev, unsigned int reg);
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i2c, config)
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/**
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* devm_regmap_init_spi(): Initialise register map
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* devm_regmap_init_spi() - Initialise register map
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*
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* @spi: Device that will be interacted with
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* @dev: Device that will be interacted with
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* @config: Configuration for register map
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*
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* The return value will be an ERR_PTR() on error or a valid pointer
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@ -668,8 +683,9 @@ bool regmap_ac97_default_volatile(struct device *dev, unsigned int reg);
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dev, config)
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/**
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* devm_regmap_init_spmi_base(): Create managed regmap for Base register space
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* @sdev: SPMI device that will be interacted with
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* devm_regmap_init_spmi_base() - Create managed regmap for Base register space
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*
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* @dev: SPMI device that will be interacted with
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* @config: Configuration for register map
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*
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* The return value will be an ERR_PTR() on error or a valid pointer
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@ -681,8 +697,9 @@ bool regmap_ac97_default_volatile(struct device *dev, unsigned int reg);
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dev, config)
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/**
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* devm_regmap_init_spmi_ext(): Create managed regmap for Ext register space
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* @sdev: SPMI device that will be interacted with
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* devm_regmap_init_spmi_ext() - Create managed regmap for Ext register space
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*
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* @dev: SPMI device that will be interacted with
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* @config: Configuration for register map
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*
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* The return value will be an ERR_PTR() on error or a valid pointer
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@ -694,7 +711,7 @@ bool regmap_ac97_default_volatile(struct device *dev, unsigned int reg);
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dev, config)
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/**
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* devm_regmap_init_mmio_clk(): Initialise managed register map with clock
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* devm_regmap_init_mmio_clk() - Initialise managed register map with clock
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*
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* @dev: Device that will be interacted with
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* @clk_id: register clock consumer ID
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@ -710,7 +727,7 @@ bool regmap_ac97_default_volatile(struct device *dev, unsigned int reg);
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dev, clk_id, regs, config)
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/**
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* devm_regmap_init_mmio(): Initialise managed register map
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* devm_regmap_init_mmio() - Initialise managed register map
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*
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* @dev: Device that will be interacted with
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* @regs: Pointer to memory-mapped IO region
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@ -724,7 +741,7 @@ bool regmap_ac97_default_volatile(struct device *dev, unsigned int reg);
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devm_regmap_init_mmio_clk(dev, NULL, regs, config)
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/**
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* devm_regmap_init_ac97(): Initialise AC'97 register map
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* devm_regmap_init_ac97() - Initialise AC'97 register map
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*
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* @ac97: Device that will be interacted with
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* @config: Configuration for register map
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@ -799,7 +816,7 @@ bool regmap_reg_in_ranges(unsigned int reg,
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unsigned int nranges);
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/**
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* Description of an register field
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* struct reg_field - Description of an register field
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*
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* @reg: Offset of the register within the regmap bank
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* @lsb: lsb of the register field.
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bool *change, bool async, bool force);
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/**
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* Description of an IRQ for the generic regmap irq_chip.
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* struct regmap_irq - Description of an IRQ for the generic regmap irq_chip.
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*
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* @reg_offset: Offset of the status/mask register within the bank
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* @mask: Mask used to flag/control the register.
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[_irq] = { .reg_offset = (_off), .mask = (_mask) }
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/**
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* Description of a generic regmap irq_chip. This is not intended to
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* handle every possible interrupt controller, but it should handle a
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* substantial proportion of those that are found in the wild.
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* struct regmap_irq_chip - Description of a generic regmap irq_chip.
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*
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* @name: Descriptive name for IRQ controller.
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*
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* after handling the interrupts in regmap_irq_handler().
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* @irq_drv_data: Driver specific IRQ data which is passed as parameter when
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* driver specific pre/post interrupt handler is called.
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*
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* This is not intended to handle every possible interrupt controller, but
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* it should handle a substantial proportion of those that are found in the
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* wild.
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*/
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struct regmap_irq_chip {
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const char *name;
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