Hello Lars-Peter,
Thank you for the review.
>> diff --git a/drivers/iio/adc/twl6030-gpadc.c b/drivers/iio/adc/twl6030-gpadc.c
>> new file mode 100644
>> index 0000000..6ceb789
>> --- /dev/null
>> +++ b/drivers/iio/adc/twl6030-gpadc.c
>> @@ -0,0 +1,1019 @@
>[...]
>> +static u8 twl6032_channel_to_reg(int channel)
>> +{
>> + return TWL6032_GPADC_GPCH0_LSB;
>
>There is more than one channel, isn't there?
Yes. But for twl6032 channel of interest is chosen first. When the conversion
is ready tre result is available in GPCH0_LSB/GPCH1_MSB for any cosen
channel. For twl6030 there are as many result register pairs as many of
channels.
>> + ret = devm_request_threaded_irq(dev, irq, NULL,
>> + twl6030_gpadc_irq_handler,
>> + IRQF_ONESHOT, "twl6030_gpadc", gpadc);
>
>You access memory in the interrupt handler which is freed before the interrupt
>handler is freed.
Thanks for pointing this. devm_* will free memory for irq after the driver
is removed and memory for the device is freed. I took me awhile to understand
this. Is there going to be something like devm_iio_device_alloc? whould it be helpfull?--
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