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regmap: No multi_write support if bus->write does not exist

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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: Markus Pargmann <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
This commit is contained in:
Markus Pargmann 2015-08-21 10:26:43 +02:00 • committed by Mark Brown
commit 9c9f7f6759
1 changed files with 1 additions and 1 deletions
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2
drivers/base/regmap/regmap.c
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@ -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;