Re: [PATCH 1/2] regmap: Allow installing custom reg_update_bits function

From: Mark Brown
Date: Thu Oct 01 2015 - 05:44:43 EST


On Thu, Oct 01, 2015 at 02:33:06AM -0400, jon@xxxxxxxxxx wrote:

> @@ -2509,6 +2510,10 @@ static int _regmap_update_bits(struct regmap *map, unsigned int reg,
> int ret;
> unsigned int tmp, orig;
>
> + if (map->reg_update_bits)
> + return map->reg_update_bits(map->bus_context, reg, mask, val,
> + change, force_write);
> +
> ret = _regmap_read(map, reg, &orig);
> if (ret != 0)
> return ret;

This completely bypasses and therefore breaks the cache infrastructure.

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