linux-kernel - Re: [PATCH v1 1/2] device property: Get rid of __PROPERTY_ENTRY_ARRAY

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Message-ID: <Y2VNSXKPLYvaGkp3@smile.fi.intel.com>
Date:   Fri, 4 Nov 2022 19:35:05 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Daniel Scally <djrscally@...il.com>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>
Subject: Re: [PATCH v1 1/2] device property: Get rid of
 __PROPERTY_ENTRY_ARRAY_EL*SIZE*()

On Fri, Nov 04, 2022 at 05:48:48PM +0200, Andy Shevchenko wrote:
> First of all, _ELEMENT_SIZE() repeats existing sizeof_field() macro.
> Second, usage of _ARRAY_ELSIZE_LEN() adds unnecessary indirection
> to the data layout. It's more understandable when the data structure
> is placed explicitly. That said, get rid of those macros by replacing
> them with the existing helper and explicit data structure layout.

...

> +(struct property_entry) {						\
> +	.name = _name_,							\
> +	.length = (_len_) * sizeof(struct software_node_ref_args),	\
> +	.type = DEV_PROP_##_Type_,					\

> +	.pointer = _val_,						\

While waiting for the comments, I have noticed missed {} here. I haven't
checked if gcc 5.1 still requires that, but in any case that should be matter
of a separate patch (to drop {} for anonymous union members initialization).

That said, v2 will occur if no serious objection is provided.

> +}

-- 
With Best Regards,
Andy Shevchenko