Re: [PATCH] regmap: sdw: check for invalid multi-register writes config

[Srinivas Kandagatla]

On 23/05/2023 17:58, Mark Brown wrote:
> On Tue, May 23, 2023 at 04:47:47PM +0100, Srinivas Kandagatla wrote:
>
> > +	/* Only bulk writes are supported not multi-register writes */
> > +	if (config->can_multi_write)
> > +		return -ENOTSUPP;
> > +
>
> This doesn't seem like the right fix - I'd expect us to simply choose
> not to use multiple writes, with an additional flag/check for bus
> support.
Is there a way to check if bus support multi-register writes?

All I can see from the code is that regmap can_multi_write is set based 
on regmap_config from device and write callback from bus.


--srini