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; 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-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
