Re: [PATCH v2 1/1] iio: trigger: stm32-timer: Make use of device properties

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On 2/5/22 6:31 PM, Jonathan Cameron wrote:
> On Wed,  2 Feb 2022 22:41:12 +0200
> Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:
> 
>> Convert the module to be property provider agnostic and allow
>> it to be used on non-OF platforms.
>>
>> Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> Looks fine to me.  The stm32 drivers are well maintained so I'll
> leave this one on list a little longer for feedback.
> 
> +Cc: Fabrice
> 
>> ---
>> v2: dropped depends on OF
>>  drivers/iio/trigger/Kconfig               |  2 +-
>>  drivers/iio/trigger/stm32-timer-trigger.c | 11 ++++++-----
>>  2 files changed, 7 insertions(+), 6 deletions(-)

Hi Andy, Jonathan,

You can add my:
Reviewed-by: Fabrice Gasnier <fabrice.gasnier@xxxxxxxxxxx>

Thanks,
Best Regards,
Fabrice

>>
>> diff --git a/drivers/iio/trigger/Kconfig b/drivers/iio/trigger/Kconfig
>> index 8cef2f7452e8..7ecb69725b1d 100644
>> --- a/drivers/iio/trigger/Kconfig
>> +++ b/drivers/iio/trigger/Kconfig
>> @@ -38,7 +38,7 @@ config IIO_STM32_LPTIMER_TRIGGER
>>  
>>  config IIO_STM32_TIMER_TRIGGER
>>  	tristate "STM32 Timer Trigger"
>> -	depends on (ARCH_STM32 && OF && MFD_STM32_TIMERS) || COMPILE_TEST
>> +	depends on (ARCH_STM32 && MFD_STM32_TIMERS) || COMPILE_TEST
>>  	help
>>  	  Select this option to enable STM32 Timer Trigger
>>  
>> diff --git a/drivers/iio/trigger/stm32-timer-trigger.c b/drivers/iio/trigger/stm32-timer-trigger.c
>> index 4f9461e1412c..5049d9ecfc1a 100644
>> --- a/drivers/iio/trigger/stm32-timer-trigger.c
>> +++ b/drivers/iio/trigger/stm32-timer-trigger.c
>> @@ -11,9 +11,10 @@
>>  #include <linux/iio/timer/stm32-timer-trigger.h>
>>  #include <linux/iio/trigger.h>
>>  #include <linux/mfd/stm32-timers.h>
>> +#include <linux/mod_devicetable.h>
>>  #include <linux/module.h>
>>  #include <linux/platform_device.h>
>> -#include <linux/of_device.h>
>> +#include <linux/property.h>
>>  
>>  #define MAX_TRIGGERS 7
>>  #define MAX_VALIDS 5
>> @@ -771,11 +772,11 @@ static int stm32_timer_trigger_probe(struct platform_device *pdev)
>>  	unsigned int index;
>>  	int ret;
>>  
>> -	if (of_property_read_u32(dev->of_node, "reg", &index))
>> -		return -EINVAL;
>> +	ret = device_property_read_u32(dev, "reg", &index);
>> +	if (ret)
>> +		return ret;
>>  
>> -	cfg = (const struct stm32_timer_trigger_cfg *)
>> -		of_match_device(dev->driver->of_match_table, dev)->data;
>> +	cfg = device_get_match_data(dev);
>>  
>>  	if (index >= ARRAY_SIZE(triggers_table) ||
>>  	    index >= cfg->num_valids_table)
> 



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