[PATCH 15/20] regmap-i2c: Add smbus i2c block support

[Mark Brown]

On Wed, Aug 12, 2015 at 12:12:40PM +0200, Markus Pargmann wrote:

> +	if (count < 1 || count >= I2C_SMBUS_BLOCK_MAX)
> +		return -EINVAL;

Elsewhere you added returns of -E2BIG if the transfer was too big, why
not do that here as well?
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