On Mon, Apr 14, 2014 at 03:08:05PM +0200, Boris BREZILLON wrote: > SMBus is a subset of the I2C protocol, oftenly used to access registers on > external devices.
This is basically fine. However... > + switch (ctx->transfer_type) { > + case REGMAP_SMBUS_BYTE_TRANSFER: > + while (count > 0 && !ret) { > + ret = i2c_smbus_write_byte_data(ctx->i2c, reg++, > + *(u8 *)data++); > + > + count--; > + } > + break; The transfer type gets set once per device at init time so why not just parameterise based on val_bytes? > + case REGMAP_SMBUS_I2C_BLOCK_TRANSFER: > + while (count > 0 && !ret) { > + ret = i2c_smbus_write_i2c_block_data(ctx->i2c, > + reg, > + ctx->val_bytes, > + (const u8 *)data); Fix the const correctness of the API rather than casting. > + reg += ctx->val_bytes; > + count -= ctx->val_bytes; > + data += ctx->val_bytes; > + } I'm assuming this will only be used if val_bytes isn't 1 or 2?
signature.asc
Description: Digital signature