Re: [PATCH] regmap: Allow read_reg_mask to be 0

Mark Brown
2014-09-30T17:26:03Z

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On Tue, Sep 30, 2014 at 11:07:00AM -0500, Dan Murphy wrote:

> - if (config->read_flag_mask || config->write_flag_mask) {
> + if (config->read_flag_mask == REGMAP_NO_READ_MASK)
> + map->read_flag_mask = 0x00;
> + else if (config->read_flag_mask)

This breaks the symmetry in handling of read and write masks which isn't
great, please make the equivalent update for the write mask too.

> +#define REGMAP_NO_READ_MASK 0xff

An actual out of band value might be preferable here though that'd
involve changing the type and more checking so perhaps inessential.

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