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Commit 9c9f7f67 authored by Markus Pargmann's avatar Markus Pargmann Committed by Mark Brown
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regmap: No multi_write support if bus->write does not exist 



There is no multi_write support available if we cannot use raw_write.
This is the case if bus->write is not implemented.

This patch adds a condition that we need bus and bus->write so that
can_multi_write is true.

Signed-off-by: default avatarMarkus Pargmann <mpa@pengutronix.de>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 67921a1a

drivers/base/regmap/regmap.c

+1 −1
Original line number Diff line number Diff line
@@ -578,7 +578,7 @@ struct regmap *regmap_init(struct device *dev, 
		map->reg_stride = 1;

	map->use_single_read = config->use_single_rw || !bus || !bus->read;

	map->use_single_write = config->use_single_rw || !bus || !bus->write;

	map->can_multi_write = config->can_multi_write;

	map->can_multi_write = config->can_multi_write && bus && bus->write;

	map->dev = dev;

	map->bus = bus;

	map->bus_context = bus_context;