On Wed, Aug 12, 2015 at 12:12:32PM +0200, Markus Pargmann wrote: > The implementation of regmap bus read() and write() methods are > optional. Therefore we have to handle busses which do not have these > functions. If raw read() and write() is not supported we have to use > reg_read and reg_write always. > > This patch sets use_single_rw if read() or write() is not set. > - map->use_single_rw = config->use_single_rw; > + map->use_single_rw = config->use_single_rw || !bus->read || !bus->write; This doesn't follow, we should be able to support write only or read only buses. There are some out there.
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