Re: [PATCH v3 1/2] iio: adc: ti-ads112c14: add support for I2C CRC8
David Lechner <[email protected]>
| Newsgroups | org.kernel.vger.linux-iio,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
On 8/6/26 8:08 PM, Andy Shevchenko wrote:
> On Mon, Jul 27, 2026 at 09:09:50AM -0500, David Lechner (TI) wrote:
>> Add support for I2C CRC8 to the TI ADS112C14 ADC driver. This verifies
>> data integrity of all I2C transactions with the device.
>>
>> For now, it is always enabled, but it could be made optional in the
>> future if needed (e.g. for higher-speed data acquisition).
>
> ...
>
>> +static int ads112c14_i2c_add_driver(struct i2c_driver *driver)
>> +{
>> + crc8_populate_msb(ads112c14_crc8_table, ADS112C14_I2C_CRC8_POLYNOMIAL);
>> +
>> + return i2c_add_driver(driver);
>> +}
>> +
>> static struct i2c_driver ads112c14_driver = {
>> .driver = {
>> .name = "ads112c14",
>> @@ -1217,7 +1347,7 @@ static struct i2c_driver ads112c14_driver = {
>> .probe = ads112c14_probe,
>> .id_table = ads112c14_id,
>> };
>> -module_i2c_driver(ads112c14_driver);
>> +module_driver(ads112c14_driver, ads112c14_i2c_add_driver, i2c_del_driver);
>
> This is not needed if you call crc8_populate_msb() from the probe using
> DO_ONCE_SLEEPABLE().
>
Good idea, but this series got picked up already.