Re: [PATCH 2/3] ACPI: PMIC: allow drivers to provide a custom lpat_raw_to_temp() function

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Hi,

On 11/26/21 16:46, Andy Shevchenko wrote:
> On Fri, Nov 26, 2021 at 04:21:08PM +0100, Hans de Goede wrote:
>> The LPAT tables used in the DSDT for some PMICs require special handling,
>> allow the PMIC OpRegion drivers to provide an alternative implementation
>> by adding a lpat_raw_to_temp function pointer to struct pmic_table;
>> and initialize this to the default acpi_lpat_raw_to_temp function
> 
> acpi_lpat_raw_to_temp()
> 
>> for all PMICs.
> 
> Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxx>
> 
> (see one nit-pick below)
> 
>> Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
>> ---
>>  drivers/acpi/pmic/intel_pmic.c          | 2 +-
>>  drivers/acpi/pmic/intel_pmic.h          | 4 ++++
>>  drivers/acpi/pmic/intel_pmic_bxtwc.c    | 1 +
>>  drivers/acpi/pmic/intel_pmic_bytcrc.c   | 1 +
>>  drivers/acpi/pmic/intel_pmic_chtcrc.c   | 1 +
>>  drivers/acpi/pmic/intel_pmic_chtdc_ti.c | 1 +
>>  drivers/acpi/pmic/intel_pmic_chtwc.c    | 1 +
>>  drivers/acpi/pmic/intel_pmic_xpower.c   | 1 +
>>  8 files changed, 11 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/acpi/pmic/intel_pmic.c b/drivers/acpi/pmic/intel_pmic.c
>> index 98bbfd99c709..f20dbda1a831 100644
>> --- a/drivers/acpi/pmic/intel_pmic.c
>> +++ b/drivers/acpi/pmic/intel_pmic.c
>> @@ -95,7 +95,7 @@ static int pmic_read_temp(struct intel_pmic_opregion *opregion,
>>  		return 0;
>>  	}
>>  
>> -	temp = acpi_lpat_raw_to_temp(opregion->lpat_table, raw_temp);
>> +	temp = opregion->data->lpat_raw_to_temp(opregion->lpat_table, raw_temp);
>>  	if (temp < 0)
>>  		return temp;
>>  
>> diff --git a/drivers/acpi/pmic/intel_pmic.h b/drivers/acpi/pmic/intel_pmic.h
>> index 467a39966dc8..d956b03a6ca0 100644
>> --- a/drivers/acpi/pmic/intel_pmic.h
>> +++ b/drivers/acpi/pmic/intel_pmic.h
>> @@ -2,6 +2,8 @@
>>  #ifndef __INTEL_PMIC_H
>>  #define __INTEL_PMIC_H
>>  
>> +#include <acpi/acpi_lpat.h>
>> +
>>  struct pmic_table {
>>  	int address;	/* operation region address */
>>  	int reg;	/* corresponding thermal register */
>> @@ -17,6 +19,8 @@ struct intel_pmic_opregion_data {
>>  	int (*update_policy)(struct regmap *r, int reg, int bit, int enable);
>>  	int (*exec_mipi_pmic_seq_element)(struct regmap *r, u16 i2c_address,
>>  					  u32 reg_address, u32 value, u32 mask);
> 
>> +	int (*lpat_raw_to_temp)(struct acpi_lpat_conversion_table *lpat_table,
>> +				int raw);
> 
> Can be on one line.

I tried to stay within (or at least close too) 80 lines here as that is
still the recommended limit. The new 100 is more of a checkpatch only
change, not a change in the codingstyle docs.

With that said I'm fine with changing this. Rafael, feel free to
change this while merging. Or let me know if you want a v2.

Regards,

Hans


> 
>>  	struct pmic_table *power_table;
>>  	int power_table_count;
>>  	struct pmic_table *thermal_table;
>> diff --git a/drivers/acpi/pmic/intel_pmic_bxtwc.c b/drivers/acpi/pmic/intel_pmic_bxtwc.c
>> index 6620ce0833f6..e247615189fa 100644
>> --- a/drivers/acpi/pmic/intel_pmic_bxtwc.c
>> +++ b/drivers/acpi/pmic/intel_pmic_bxtwc.c
>> @@ -376,6 +376,7 @@ static const struct intel_pmic_opregion_data intel_bxtwc_pmic_opregion_data = {
>>  	.update_aux     = intel_bxtwc_pmic_update_aux,
>>  	.get_policy     = intel_bxtwc_pmic_get_policy,
>>  	.update_policy  = intel_bxtwc_pmic_update_policy,
>> +	.lpat_raw_to_temp = acpi_lpat_raw_to_temp,
>>  	.power_table      = power_table,
>>  	.power_table_count = ARRAY_SIZE(power_table),
>>  	.thermal_table     = thermal_table,
>> diff --git a/drivers/acpi/pmic/intel_pmic_bytcrc.c b/drivers/acpi/pmic/intel_pmic_bytcrc.c
>> index 8a1d895ed689..9ea79f210965 100644
>> --- a/drivers/acpi/pmic/intel_pmic_bytcrc.c
>> +++ b/drivers/acpi/pmic/intel_pmic_bytcrc.c
>> @@ -278,6 +278,7 @@ static const struct intel_pmic_opregion_data intel_crc_pmic_opregion_data = {
>>  	.update_aux	= intel_crc_pmic_update_aux,
>>  	.get_policy	= intel_crc_pmic_get_policy,
>>  	.update_policy	= intel_crc_pmic_update_policy,
>> +	.lpat_raw_to_temp = acpi_lpat_raw_to_temp,
>>  	.power_table	= power_table,
>>  	.power_table_count= ARRAY_SIZE(power_table),
>>  	.thermal_table	= thermal_table,
>> diff --git a/drivers/acpi/pmic/intel_pmic_chtcrc.c b/drivers/acpi/pmic/intel_pmic_chtcrc.c
>> index d8266d22cd8e..f9301c6f098e 100644
>> --- a/drivers/acpi/pmic/intel_pmic_chtcrc.c
>> +++ b/drivers/acpi/pmic/intel_pmic_chtcrc.c
>> @@ -24,6 +24,7 @@
>>   * CHT Crystal Cove PMIC.
>>   */
>>  static const struct intel_pmic_opregion_data intel_chtcrc_pmic_opregion_data = {
>> +	.lpat_raw_to_temp = acpi_lpat_raw_to_temp,
>>  	.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 cb444ddec5a0..418eec523025 100644
>> --- a/drivers/acpi/pmic/intel_pmic_chtdc_ti.c
>> +++ b/drivers/acpi/pmic/intel_pmic_chtdc_ti.c
>> @@ -98,6 +98,7 @@ 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,
>> +	.lpat_raw_to_temp = acpi_lpat_raw_to_temp,
>>  	.power_table = chtdc_ti_power_table,
>>  	.power_table_count = ARRAY_SIZE(chtdc_ti_power_table),
>>  	.thermal_table = chtdc_ti_thermal_table,
>> diff --git a/drivers/acpi/pmic/intel_pmic_chtwc.c b/drivers/acpi/pmic/intel_pmic_chtwc.c
>> index 59385a9a05e5..f2c42f4c79ca 100644
>> --- a/drivers/acpi/pmic/intel_pmic_chtwc.c
>> +++ b/drivers/acpi/pmic/intel_pmic_chtwc.c
>> @@ -257,6 +257,7 @@ 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,
>> +	.lpat_raw_to_temp	= acpi_lpat_raw_to_temp,
>>  	.power_table		= power_table,
>>  	.power_table_count	= ARRAY_SIZE(power_table),
>>  };
>> diff --git a/drivers/acpi/pmic/intel_pmic_xpower.c b/drivers/acpi/pmic/intel_pmic_xpower.c
>> index b5f4d81c621f..e844bc1f3df5 100644
>> --- a/drivers/acpi/pmic/intel_pmic_xpower.c
>> +++ b/drivers/acpi/pmic/intel_pmic_xpower.c
>> @@ -298,6 +298,7 @@ static const struct intel_pmic_opregion_data intel_xpower_pmic_opregion_data = {
>>  	.update_power = intel_xpower_pmic_update_power,
>>  	.get_raw_temp = intel_xpower_pmic_get_raw_temp,
>>  	.exec_mipi_pmic_seq_element = intel_xpower_exec_mipi_pmic_seq_element,
>> +	.lpat_raw_to_temp = acpi_lpat_raw_to_temp,
>>  	.power_table = power_table,
>>  	.power_table_count = ARRAY_SIZE(power_table),
>>  	.thermal_table = thermal_table,
>> -- 
>> 2.33.1
>>
> 




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