Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1211004
| From | Markus Pargmann <mpa@pengutronix.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v3 4/4] regmap: No multi_write support if bus->write does not exist |
| Date | 2015-08-21 10:30 +0200 |
| Message-ID | <pZPS1-6zf-5@gated-at.bofh.it> (permalink) |
| References | <pZPS1-6zf-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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> --- 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 75080774bf46..47fe0dfbbc46 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -575,7 +575,7 @@ 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; -- 2.4.6 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Back to linux.kernel | Previous | Next | Find similar | Unroll thread
[PATCH v3 4/4] regmap: No multi_write support if bus->write does not exist Markus Pargmann <mpa@pengutronix.de> - 2015-08-21 10:30 +0200
csiph-web