Re: Idea: regmap_config.use_single_rw -> use_single_read, use_single_write

[David Frey <dpfrey@gmail.com>]

On 8/29/2018 10:35 AM, David Frey wrote:
> Hi,
> 
> I just want to float an idea and see if it gets any support.
> 
> In struct regmap_config, there is a member "bool use_single_rw" which is
> documented as follows:
> 
> "If set, converts the bulk read and write operations into a series of
> single read and write operations. This is useful for device that does
> not support bulk read and write."
> 
> My idea is to split this into:
> 	bool use_single_read;
> 	bool use_single_write;
> 
> I think this would be useful because at least one device that I'm using
> (Bosch bmi160 IMU) supports bulk reads, but not bulk writes.  It would
> be convenient to be able to use regmap_bulk_read and regmap_bulk_write
> and have only regmap_bulk_write split the writes apart.  This change
> would also support the case where a device supports bulk writes, but not
> bulk reads.  I don't know of such a device, but I haven't made any
> attempt to find one.
> 
> What do you think?
> 
> David Frey

I realized after I sent this that this is a regmap change and thus might
be out of scope for discussion on the linux-iio mailing list.  Is there
somewhere more appropriate to post this to?

Thanks,
David