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: Markus Pargmann <mpa@pengutronix.de> Signed-off-by: Mark Brown <broonie@kernel.org>
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@ -578,7 +578,7 @@ struct regmap *regmap_init(struct device *dev,
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map->reg_stride = 1;
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map->reg_stride = 1;
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map->use_single_read = config->use_single_rw || !bus || !bus->read;
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map->use_single_read = config->use_single_rw || !bus || !bus->read;
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map->use_single_write = config->use_single_rw || !bus || !bus->write;
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map->use_single_write = config->use_single_rw || !bus || !bus->write;
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map->can_multi_write = config->can_multi_write;
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map->can_multi_write = config->can_multi_write && bus && bus->write;
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map->dev = dev;
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map->dev = dev;
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map->bus = bus;
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map->bus = bus;
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map->bus_context = bus_context;
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map->bus_context = bus_context;
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