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i2c: rk3x: fix a bunch of kernel-doc warnings
Fix multiple W=1 kernel-doc warnings in i2c-rk3x.c: drivers/i2c/busses/i2c-rk3x.c:83: warning: missing initial short description on line: * struct i2c_spec_values: drivers/i2c/busses/i2c-rk3x.c:139: warning: missing initial short description on line: * struct rk3x_i2c_calced_timings: drivers/i2c/busses/i2c-rk3x.c:162: warning: missing initial short description on line: * struct rk3x_i2c_soc_data: drivers/i2c/busses/i2c-rk3x.c:242: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Generate a START condition, which triggers a REG_INT_START interrupt. drivers/i2c/busses/i2c-rk3x.c:261: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Generate a STOP condition, which triggers a REG_INT_STOP interrupt. drivers/i2c/busses/i2c-rk3x.c:304: warning: expecting prototype for Setup a read according to i2c(). Prototype was for rk3x_i2c_prepare_read() instead drivers/i2c/busses/i2c-rk3x.c:335: warning: expecting prototype for Fill the transmit buffer with data from i2c(). Prototype was for rk3x_i2c_fill_transmit_buf() instead drivers/i2c/busses/i2c-rk3x.c:535: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Get timing values of I2C specification drivers/i2c/busses/i2c-rk3x.c:552: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Calculate divider values for desired SCL frequency drivers/i2c/busses/i2c-rk3x.c:713: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Calculate timing values for desired SCL frequency drivers/i2c/busses/i2c-rk3x.c:963: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Setup I2C registers for an I2C operation specified by msgs, num. Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Wolfram Sang <wsa@kernel.org>
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e49560f027
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1 changed files with 22 additions and 22 deletions
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@ -80,7 +80,7 @@ enum {
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#define DEFAULT_SCL_RATE (100 * 1000) /* Hz */
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/**
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* struct i2c_spec_values:
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* struct i2c_spec_values - I2C specification values for various modes
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* @min_hold_start_ns: min hold time (repeated) START condition
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* @min_low_ns: min LOW period of the SCL clock
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* @min_high_ns: min HIGH period of the SCL cloc
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@ -136,7 +136,7 @@ static const struct i2c_spec_values fast_mode_plus_spec = {
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};
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/**
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* struct rk3x_i2c_calced_timings:
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* struct rk3x_i2c_calced_timings - calculated V1 timings
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* @div_low: Divider output for low
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* @div_high: Divider output for high
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* @tuning: Used to adjust setup/hold data time,
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@ -159,7 +159,7 @@ enum rk3x_i2c_state {
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};
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/**
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* struct rk3x_i2c_soc_data:
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* struct rk3x_i2c_soc_data - SOC-specific data
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* @grf_offset: offset inside the grf regmap for setting the i2c type
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* @calc_timings: Callback function for i2c timing information calculated
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*/
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@ -239,7 +239,8 @@ static inline void rk3x_i2c_clean_ipd(struct rk3x_i2c *i2c)
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}
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/**
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* Generate a START condition, which triggers a REG_INT_START interrupt.
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* rk3x_i2c_start - Generate a START condition, which triggers a REG_INT_START interrupt.
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* @i2c: target controller data
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*/
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static void rk3x_i2c_start(struct rk3x_i2c *i2c)
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{
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@ -258,8 +259,8 @@ static void rk3x_i2c_start(struct rk3x_i2c *i2c)
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}
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/**
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* Generate a STOP condition, which triggers a REG_INT_STOP interrupt.
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*
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* rk3x_i2c_stop - Generate a STOP condition, which triggers a REG_INT_STOP interrupt.
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* @i2c: target controller data
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* @error: Error code to return in rk3x_i2c_xfer
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*/
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static void rk3x_i2c_stop(struct rk3x_i2c *i2c, int error)
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@ -298,7 +299,8 @@ static void rk3x_i2c_stop(struct rk3x_i2c *i2c, int error)
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}
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/**
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* Setup a read according to i2c->msg
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* rk3x_i2c_prepare_read - Setup a read according to i2c->msg
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* @i2c: target controller data
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*/
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static void rk3x_i2c_prepare_read(struct rk3x_i2c *i2c)
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{
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@ -329,7 +331,8 @@ static void rk3x_i2c_prepare_read(struct rk3x_i2c *i2c)
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}
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/**
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* Fill the transmit buffer with data from i2c->msg
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* rk3x_i2c_fill_transmit_buf - Fill the transmit buffer with data from i2c->msg
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* @i2c: target controller data
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*/
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static void rk3x_i2c_fill_transmit_buf(struct rk3x_i2c *i2c)
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{
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@ -532,11 +535,10 @@ out:
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}
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/**
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* Get timing values of I2C specification
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*
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* rk3x_i2c_get_spec - Get timing values of I2C specification
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* @speed: Desired SCL frequency
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*
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* Returns: Matched i2c spec values.
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* Return: Matched i2c_spec_values.
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*/
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static const struct i2c_spec_values *rk3x_i2c_get_spec(unsigned int speed)
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{
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@ -549,13 +551,12 @@ static const struct i2c_spec_values *rk3x_i2c_get_spec(unsigned int speed)
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}
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/**
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* Calculate divider values for desired SCL frequency
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*
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* rk3x_i2c_v0_calc_timings - Calculate divider values for desired SCL frequency
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* @clk_rate: I2C input clock rate
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* @t: Known I2C timing information
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* @t_calc: Caculated rk3x private timings that would be written into regs
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*
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* Returns: 0 on success, -EINVAL if the goal SCL rate is too slow. In that case
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* Return: %0 on success, -%EINVAL if the goal SCL rate is too slow. In that case
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* a best-effort divider value is returned in divs. If the target rate is
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* too high, we silently use the highest possible rate.
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*/
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@ -710,13 +711,12 @@ static int rk3x_i2c_v0_calc_timings(unsigned long clk_rate,
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}
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/**
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* Calculate timing values for desired SCL frequency
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*
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* rk3x_i2c_v1_calc_timings - Calculate timing values for desired SCL frequency
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* @clk_rate: I2C input clock rate
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* @t: Known I2C timing information
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* @t_calc: Caculated rk3x private timings that would be written into regs
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*
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* Returns: 0 on success, -EINVAL if the goal SCL rate is too slow. In that case
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* Return: %0 on success, -%EINVAL if the goal SCL rate is too slow. In that case
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* a best-effort divider value is returned in divs. If the target rate is
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* too high, we silently use the highest possible rate.
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* The following formulas are v1's method to calculate timings.
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@ -960,14 +960,14 @@ static int rk3x_i2c_clk_notifier_cb(struct notifier_block *nb, unsigned long
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}
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/**
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* Setup I2C registers for an I2C operation specified by msgs, num.
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*
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* Must be called with i2c->lock held.
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*
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* rk3x_i2c_setup - Setup I2C registers for an I2C operation specified by msgs, num.
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* @i2c: target controller data
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* @msgs: I2C msgs to process
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* @num: Number of msgs
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*
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* returns: Number of I2C msgs processed or negative in case of error
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* Must be called with i2c->lock held.
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*
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* Return: Number of I2C msgs processed or negative in case of error
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*/
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static int rk3x_i2c_setup(struct rk3x_i2c *i2c, struct i2c_msg *msgs, int num)
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{
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