linux-kernel - Re: [PATCH v1] device property: Get rid of union aliasing

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Message-ID: <20180426125428.GA8975@kroah.com>
Date:   Thu, 26 Apr 2018 14:54:28 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     linux-kernel@...r.kernel.org,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        linux-efi@...r.kernel.org,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        "Rafael J . Wysocki" <rjw@...ysocki.net>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        Lukas Wunner <lukas@...ner.de>
Subject: Re: [PATCH v1] device property: Get rid of union aliasing

On Thu, Apr 26, 2018 at 01:23:56PM +0300, Andy Shevchenko wrote:
> The commit
> 
>   318a19718261 ("device property: refactor built-in properties support")
> 
> went way too far and brought a union aliasing. Partially revert it here
> to get rid of union aliasing.

What is "union aliasing"?  And why is it bad?

> Note, Apple properties support is still utilizing this trick.

So you are breaking something now?

What exactly is this fixing?

greg k-h