Hi Markus, On Wed, Aug 12, 2015 at 6:12 PM, Markus Pargmann <mpa@xxxxxxxxxxxxxx> 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. > > Signed-off-by: Markus Pargmann <mpa@xxxxxxxxxxxxxx> > --- > drivers/base/regmap/regmap.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c > index f98bd5bf5c62..35ad3783da70 100644 > --- a/drivers/base/regmap/regmap.c > +++ b/drivers/base/regmap/regmap.c > @@ -573,7 +573,7 @@ struct regmap *regmap_init(struct device *dev, > map->reg_stride = config->reg_stride; > else > map->reg_stride = 1; > - map->use_single_rw = config->use_single_rw; > + map->use_single_rw = config->use_single_rw || !bus->read || !bus->write; What if bus is NULL? -Dan > map->can_multi_write = config->can_multi_write; > map->dev = dev; > map->bus = bus; > -- > 2.4.6 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
