linux-kernel - Re: [PATCH v8 3/4] fpga: dfl: add basic support for DFHv1

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Message-ID: <Y7MT6e8c2VLCjZuw@smile.fi.intel.com>
Date:   Mon, 2 Jan 2023 19:27:05 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     matthew.gerlach@...ux.intel.com
Cc:     Tom Rix <trix@...hat.com>, hao.wu@...el.com, yilun.xu@...el.com,
        russell.h.weight@...el.com, basheer.ahmed.muddebihal@...el.com,
        mdf@...nel.org, linux-fpga@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        tianfei.zhang@...el.com, corbet@....net,
        gregkh@...uxfoundation.org, linux-serial@...r.kernel.org,
        jirislaby@...nel.org, geert+renesas@...der.be,
        niklas.soderlund+renesas@...natech.se, macro@...am.me.uk,
        johan@...nel.org, lukas@...ner.de, ilpo.jarvinen@...ux.intel.com,
        marpagan@...hat.com, bagasdotme@...il.com
Subject: Re: [PATCH v8 3/4] fpga: dfl: add basic support for DFHv1

On Mon, Jan 02, 2023 at 08:54:48AM -0800, matthew.gerlach@...ux.intel.com wrote:
> On Thu, 29 Dec 2022, Andy Shevchenko wrote:
> > On Thu, Dec 29, 2022 at 08:18:03AM -0800, Tom Rix wrote:
> > > On 12/28/22 10:16 AM, matthew.gerlach@...ux.intel.com wrote:

...

> > > > +	u64 params[];
> > > u64 *params

> > This will break the overflow.h macros, no?
> > Besides that it will break the code for sure as it's not an equivalent.

> I don't understand how this will break the overflow.h macros. The definition
> of struct dfl_feature_info and all of its uses are in a single file, dfl.c.

Hint: __must_be_array()

As I said, the proposed change is not acceptable since it's not an equivalent.

-- 
With Best Regards,
Andy Shevchenko