Re: [PATCH v4 4/5] soc: qcom: socinfo: Expose custom attributes

[Stephen Boyd]

Quoting Vaishali Thakkar (2019-03-24 10:42:36)
> On Sat, 23 Mar 2019 at 05:31, Stephen Boyd <swboyd@xxxxxxxxxxxx> wrote:
> 
> > debugfs_create_devm_seqfile() which may work to print a string from some
> > struct member. I'm not sure why you're using simple_attr_read(). Where
> > does that become important?
> 
> DEFINE_DEBUGFS_ATTRIBUTE has simple_attr helpers which
> expects int value. So, in the case of a string it requires to implement
> similar macro and separate helpers for the same.

Why does DEFINE_DEBUGFS_ATTRIBUTE need to be used?