On Wednesday 08 February 2012 07:28 PM, Mark Brown wrote:
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On Wed, Feb 08, 2012 at 07:04:14PM +0530, Laxman Dewangan wrote:
On Wednesday 08 February 2012 06:37 PM, Mark Brown wrote:
Yes, though bulk_write() is tricky as it's *really* unclear what it
should take as an argument - should it be raw register size (in which
case it's just raw_write()) or should it be ints (in which case it needs
to repack the data too)? I suspect ints but I'm really not convinced
there's much use case for this.
* @map: Register map to write to
* @reg: Initial register to write to
* @val: Block of data to be written, laid out for direct transmission to the
* device
* @@val_count: Number of registers to write
int regmap_bulk_write(struct regmap *map, unsigned int reg, void *val,
size_t val_count)
only support if map->format.parse_val not null like bulk_read.
It will just do the regamp_raw_write() if all regs are volatile
otherwise make the unsigned int from the val by function
map->format.parse_val for separate write for each register.
But that's just raw_write(), there's no benefit to the additional API
call.
raw_write supported for the volatile register only.
I require an api which can work for volatile as well as non-volatile
registers.
Either extend raw_write to support both cases (remove warning and handle
properly) or add bulk_write.
I think as bulk_read is there and so having bulk_write on same line
should be OK.
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