[PATCH v2 03/11] regmap: Add regmap_field APIs

Srinivas KANDAGATLA srinivas.kandagatla at st.com
Tue Jun 11 21:36:17 EST 2013


On 11/06/13 11:48, Mark Brown wrote:
> On Mon, Jun 10, 2013 at 10:21:58AM +0100, Srinivas KANDAGATLA wrote:
>> It is common to access regmap registers at bit level, using
>> regmap_update_bits or regmap_read functions, however the end user has to
>> take care of a mask or shifting. This becomes overhead when such use
>> cases are high. Having a common function to do this is much convenient
>> and less error prone.
> 
> So this looks basically good.  A couple of smallish nits below, if you
> could respin I'll apply this on a branch so it can be pulled in as
> dependency for the other things that use it.
> 
Thankyou for the comments,
I will fix it and send a v3 patch.

>> +	regmap_field_init(rm_field, regmap, reg_field);
>> +
>> +	return rm_field;
>> +
>> +}
>> +EXPORT_SYMBOL_GPL(devm_regmap_field_alloc);
>> +/**
>> + * regmap_field_alloc(): Allocate and initialise a register field
> 
> Needs a blank line between the two functions.
> 
>> +#include <linux/device.h>
>> +#include <linux/slab.h>
> 
>> +static inline void regmap_field_free(struct regmap_field *field)
>> +{
>> +	kfree(field);
>> +}
> 
>> +static inline void devm_regmap_field_free(struct device *dev,
>> +	struct regmap_field *field)
>> +{
>> +	devm_kfree(dev, field);
>> +}
> 
> Probably not worth inlining these, just put them in the code.
> 
> 
> 
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