Messages in this thread Patch in this message | | | From | Tony Lindgren <> | Subject | [PATCH 2/2] regma: Add missing little endian functions | Date | Thu, 15 Sep 2016 13:56:11 -0700 |
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This with the longer read and write masks allow supporting more exotic devices. For example a little endian SPI device:
static const struct regmap_config foo_regmap_config = { .reg_bits = 16, .reg_stride = 4, .val_bits = 16, .write_flag_mask = 0x8000, .reg_format_endian = REGMAP_ENDIAN_LITTLE, .val_format_endian = REGMAP_ENDIAN_LITTLE, ... };
Signed-off-by: Tony Lindgren <tony@atomide.com> --- drivers/base/regmap/regmap.c | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -772,6 +772,9 @@ struct regmap *__regmap_init(struct device *dev, case REGMAP_ENDIAN_BIG: map->format.format_reg = regmap_format_16_be; break; + case REGMAP_ENDIAN_LITTLE: + map->format.format_reg = regmap_format_16_le; + break; case REGMAP_ENDIAN_NATIVE: map->format.format_reg = regmap_format_16_native; break; @@ -791,6 +794,9 @@ struct regmap *__regmap_init(struct device *dev, case REGMAP_ENDIAN_BIG: map->format.format_reg = regmap_format_32_be; break; + case REGMAP_ENDIAN_LITTLE: + map->format.format_reg = regmap_format_32_le; + break; case REGMAP_ENDIAN_NATIVE: map->format.format_reg = regmap_format_32_native; break; @@ -805,6 +811,9 @@ struct regmap *__regmap_init(struct device *dev, case REGMAP_ENDIAN_BIG: map->format.format_reg = regmap_format_64_be; break; + case REGMAP_ENDIAN_LITTLE: + map->format.format_reg = regmap_format_64_le; + break; case REGMAP_ENDIAN_NATIVE: map->format.format_reg = regmap_format_64_native; break; -- 2.9.3
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