Re: [PATCH v7 3/5] iio: adc: versal-sysmon: add I2C driver

[Andy Shevchenko]

On Mon, Jun 15, 2026 at 04:42:43PM +0100, Erim, Salih wrote:
> On 15/06/2026 15:30, Andy Shevchenko wrote:
> > On Mon, Jun 15, 2026 at 12:37:20AM +0100, Salih Erim wrote:

...

> > > +static const struct regmap_config sysmon_i2c_regmap_config = {
> > > +     .reg_bits = 32,
> > > +     .val_bits = 32,
> > > +     .reg_stride = SYSMON_REG_STRIDE,
> > > +     .max_register = SYSMON_MAX_REG,
> > > +     .reg_read = sysmon_i2c_reg_read,
> > > +     .reg_write = sysmon_i2c_reg_write,
> > > +};
> > 
> > No cache?
> 
> No, the registers are live ADC readings and interrupt status.
> Caching would return stale voltage and temperature data.

So, basically what you are saying is this:
  "All registers are volatile in this HW."
Or alternatively:
  "Almost all registers are volatile in this HW. The rest is not being accessed
   too often to cache."

Choose the one that fits and add on top of this regmap_config initialiser.

-- 
With Best Regards,
Andy Shevchenko