SLIMbus supports upto 16 bytes in value management messages, so add support to read/writes upto 16 bytes.
This also removes redundant single register reg_read/reg_write. Also useful for paged register access on SLIMbus interfaced codecs. Signed-off-by: Srinivas Kandagatla <[email protected]> --- drivers/base/regmap/regmap-slimbus.c | 23 +++++++---------------- 1 file changed, 7 insertions(+), 16 deletions(-) diff --git a/drivers/base/regmap/regmap-slimbus.c b/drivers/base/regmap/regmap-slimbus.c index 91d501eda8a9..0968059f1ef5 100644 --- a/drivers/base/regmap/regmap-slimbus.c +++ b/drivers/base/regmap/regmap-slimbus.c @@ -7,33 +7,24 @@ #include "internal.h" -static int regmap_slimbus_byte_reg_read(void *context, unsigned int reg, - unsigned int *val) +static int regmap_slimbus_write(void *context, const void *data, size_t count) { struct slim_device *sdev = context; - int v; - v = slim_readb(sdev, reg); - - if (v < 0) - return v; - - *val = v; - - return 0; + return slim_write(sdev, *(u16 *)data, count - 2, (u8 *)data + 2); } -static int regmap_slimbus_byte_reg_write(void *context, unsigned int reg, - unsigned int val) +static int regmap_slimbus_read(void *context, const void *reg, size_t reg_size, + void *val, size_t val_size) { struct slim_device *sdev = context; - return slim_writeb(sdev, reg, val); + return slim_read(sdev, *(u16 *)reg, val_size, val); } static struct regmap_bus regmap_slimbus_bus = { - .reg_write = regmap_slimbus_byte_reg_write, - .reg_read = regmap_slimbus_byte_reg_read, + .write = regmap_slimbus_write, + .read = regmap_slimbus_read, .reg_format_endian_default = REGMAP_ENDIAN_LITTLE, .val_format_endian_default = REGMAP_ENDIAN_LITTLE, }; -- 2.16.2
