Re: [PATCH 1/3] ACPI: PMIC: constify all struct intel_pmic_opregion_data declarations

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On Fri, Nov 26, 2021 at 04:21:07PM +0100, Hans de Goede wrote:
> The struct intel_pmic_opregion_data declarations never change,
> constify them all.

Makes sense!
Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxx>

> Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
> ---
>  drivers/acpi/pmic/intel_pmic.c          | 12 ++++++------
>  drivers/acpi/pmic/intel_pmic.h          |  4 +++-
>  drivers/acpi/pmic/intel_pmic_bxtwc.c    |  2 +-
>  drivers/acpi/pmic/intel_pmic_bytcrc.c   |  2 +-
>  drivers/acpi/pmic/intel_pmic_chtcrc.c   |  2 +-
>  drivers/acpi/pmic/intel_pmic_chtdc_ti.c |  2 +-
>  drivers/acpi/pmic/intel_pmic_chtwc.c    |  2 +-
>  drivers/acpi/pmic/intel_pmic_xpower.c   |  2 +-
>  8 files changed, 15 insertions(+), 13 deletions(-)
> 
> diff --git a/drivers/acpi/pmic/intel_pmic.c b/drivers/acpi/pmic/intel_pmic.c
> index 9cde299eba88..98bbfd99c709 100644
> --- a/drivers/acpi/pmic/intel_pmic.c
> +++ b/drivers/acpi/pmic/intel_pmic.c
> @@ -25,7 +25,7 @@ struct intel_pmic_opregion {
>  	struct mutex lock;
>  	struct acpi_lpat_conversion_table *lpat_table;
>  	struct regmap *regmap;
> -	struct intel_pmic_opregion_data *data;
> +	const struct intel_pmic_opregion_data *data;
>  	struct intel_pmic_regs_handler_ctx ctx;
>  };
>  
> @@ -53,7 +53,7 @@ static acpi_status intel_pmic_power_handler(u32 function,
>  {
>  	struct intel_pmic_opregion *opregion = region_context;
>  	struct regmap *regmap = opregion->regmap;
> -	struct intel_pmic_opregion_data *d = opregion->data;
> +	const struct intel_pmic_opregion_data *d = opregion->data;
>  	int reg, bit, result;
>  
>  	if (bits != 32 || !value64)
> @@ -135,7 +135,7 @@ static int pmic_thermal_aux(struct intel_pmic_opregion *opregion, int reg,
>  static int pmic_thermal_pen(struct intel_pmic_opregion *opregion, int reg,
>  			    int bit, u32 function, u64 *value)
>  {
> -	struct intel_pmic_opregion_data *d = opregion->data;
> +	const struct intel_pmic_opregion_data *d = opregion->data;
>  	struct regmap *regmap = opregion->regmap;
>  
>  	if (!d->get_policy || !d->update_policy)
> @@ -171,7 +171,7 @@ static acpi_status intel_pmic_thermal_handler(u32 function,
>  		void *handler_context, void *region_context)
>  {
>  	struct intel_pmic_opregion *opregion = region_context;
> -	struct intel_pmic_opregion_data *d = opregion->data;
> +	const struct intel_pmic_opregion_data *d = opregion->data;
>  	int reg, bit, result;
>  
>  	if (bits != 32 || !value64)
> @@ -255,7 +255,7 @@ static acpi_status intel_pmic_regs_handler(u32 function,
>  
>  int intel_pmic_install_opregion_handler(struct device *dev, acpi_handle handle,
>  					struct regmap *regmap,
> -					struct intel_pmic_opregion_data *d)
> +					const struct intel_pmic_opregion_data *d)
>  {
>  	acpi_status status = AE_OK;
>  	struct intel_pmic_opregion *opregion;
> @@ -344,7 +344,7 @@ EXPORT_SYMBOL_GPL(intel_pmic_install_opregion_handler);
>  int intel_soc_pmic_exec_mipi_pmic_seq_element(u16 i2c_address, u32 reg_address,
>  					      u32 value, u32 mask)
>  {
> -	struct intel_pmic_opregion_data *d;
> +	const struct intel_pmic_opregion_data *d;
>  	int ret;
>  
>  	if (!intel_pmic_opregion) {
> diff --git a/drivers/acpi/pmic/intel_pmic.h b/drivers/acpi/pmic/intel_pmic.h
> index 89379476a1df..467a39966dc8 100644
> --- a/drivers/acpi/pmic/intel_pmic.h
> +++ b/drivers/acpi/pmic/intel_pmic.h
> @@ -25,6 +25,8 @@ struct intel_pmic_opregion_data {
>  	int pmic_i2c_address;
>  };
>  
> -int intel_pmic_install_opregion_handler(struct device *dev, acpi_handle handle, struct regmap *regmap, struct intel_pmic_opregion_data *d);
> +int intel_pmic_install_opregion_handler(struct device *dev, acpi_handle handle,
> +					struct regmap *regmap,
> +					const struct intel_pmic_opregion_data *d);
>  
>  #endif
> diff --git a/drivers/acpi/pmic/intel_pmic_bxtwc.c b/drivers/acpi/pmic/intel_pmic_bxtwc.c
> index bd7621edd60b..6620ce0833f6 100644
> --- a/drivers/acpi/pmic/intel_pmic_bxtwc.c
> +++ b/drivers/acpi/pmic/intel_pmic_bxtwc.c
> @@ -369,7 +369,7 @@ intel_bxtwc_pmic_update_policy(struct regmap *regmap,
>  	return regmap_update_bits(regmap, reg, mask, val);
>  }
>  
> -static struct intel_pmic_opregion_data intel_bxtwc_pmic_opregion_data = {
> +static const struct intel_pmic_opregion_data intel_bxtwc_pmic_opregion_data = {
>  	.get_power      = intel_bxtwc_pmic_get_power,
>  	.update_power   = intel_bxtwc_pmic_update_power,
>  	.get_raw_temp   = intel_bxtwc_pmic_get_raw_temp,
> diff --git a/drivers/acpi/pmic/intel_pmic_bytcrc.c b/drivers/acpi/pmic/intel_pmic_bytcrc.c
> index 2a692cc4b7ae..8a1d895ed689 100644
> --- a/drivers/acpi/pmic/intel_pmic_bytcrc.c
> +++ b/drivers/acpi/pmic/intel_pmic_bytcrc.c
> @@ -271,7 +271,7 @@ static int intel_crc_pmic_update_policy(struct regmap *regmap,
>  	return 0;
>  }
>  
> -static struct intel_pmic_opregion_data intel_crc_pmic_opregion_data = {
> +static const struct intel_pmic_opregion_data intel_crc_pmic_opregion_data = {
>  	.get_power	= intel_crc_pmic_get_power,
>  	.update_power	= intel_crc_pmic_update_power,
>  	.get_raw_temp	= intel_crc_pmic_get_raw_temp,
> diff --git a/drivers/acpi/pmic/intel_pmic_chtcrc.c b/drivers/acpi/pmic/intel_pmic_chtcrc.c
> index 2900dc3074d2..d8266d22cd8e 100644
> --- a/drivers/acpi/pmic/intel_pmic_chtcrc.c
> +++ b/drivers/acpi/pmic/intel_pmic_chtcrc.c
> @@ -23,7 +23,7 @@
>   * intel_soc_pmic_exec_mipi_pmic_seq_element work on devices with a
>   * CHT Crystal Cove PMIC.
>   */
> -static struct intel_pmic_opregion_data intel_chtcrc_pmic_opregion_data = {
> +static const struct intel_pmic_opregion_data intel_chtcrc_pmic_opregion_data = {
>  	.pmic_i2c_address = 0x6e,
>  };
>  
> diff --git a/drivers/acpi/pmic/intel_pmic_chtdc_ti.c b/drivers/acpi/pmic/intel_pmic_chtdc_ti.c
> index fef7831d0d63..cb444ddec5a0 100644
> --- a/drivers/acpi/pmic/intel_pmic_chtdc_ti.c
> +++ b/drivers/acpi/pmic/intel_pmic_chtdc_ti.c
> @@ -94,7 +94,7 @@ static int chtdc_ti_pmic_get_raw_temp(struct regmap *regmap, int reg)
>  	return ((buf[0] & 0x03) << 8) | buf[1];
>  }
>  
> -static struct intel_pmic_opregion_data chtdc_ti_pmic_opregion_data = {
> +static const struct intel_pmic_opregion_data chtdc_ti_pmic_opregion_data = {
>  	.get_power = chtdc_ti_pmic_get_power,
>  	.update_power = chtdc_ti_pmic_update_power,
>  	.get_raw_temp = chtdc_ti_pmic_get_raw_temp,
> diff --git a/drivers/acpi/pmic/intel_pmic_chtwc.c b/drivers/acpi/pmic/intel_pmic_chtwc.c
> index 7ffd5624b8e1..59385a9a05e5 100644
> --- a/drivers/acpi/pmic/intel_pmic_chtwc.c
> +++ b/drivers/acpi/pmic/intel_pmic_chtwc.c
> @@ -253,7 +253,7 @@ static int intel_cht_wc_exec_mipi_pmic_seq_element(struct regmap *regmap,
>   * The thermal table and ops are empty, we do not support the Thermal opregion
>   * (DPTF) due to lacking documentation.
>   */
> -static struct intel_pmic_opregion_data intel_cht_wc_pmic_opregion_data = {
> +static const struct intel_pmic_opregion_data intel_cht_wc_pmic_opregion_data = {
>  	.get_power		= intel_cht_wc_pmic_get_power,
>  	.update_power		= intel_cht_wc_pmic_update_power,
>  	.exec_mipi_pmic_seq_element = intel_cht_wc_exec_mipi_pmic_seq_element,
> diff --git a/drivers/acpi/pmic/intel_pmic_xpower.c b/drivers/acpi/pmic/intel_pmic_xpower.c
> index cbe08e600fa3..b5f4d81c621f 100644
> --- a/drivers/acpi/pmic/intel_pmic_xpower.c
> +++ b/drivers/acpi/pmic/intel_pmic_xpower.c
> @@ -293,7 +293,7 @@ static int intel_xpower_exec_mipi_pmic_seq_element(struct regmap *regmap,
>  	return ret;
>  }
>  
> -static struct intel_pmic_opregion_data intel_xpower_pmic_opregion_data = {
> +static const struct intel_pmic_opregion_data intel_xpower_pmic_opregion_data = {
>  	.get_power = intel_xpower_pmic_get_power,
>  	.update_power = intel_xpower_pmic_update_power,
>  	.get_raw_temp = intel_xpower_pmic_get_raw_temp,
> -- 
> 2.33.1
> 

-- 
With Best Regards,
Andy Shevchenko





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