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Date: Tue, 9 Dec 2025 16:49:04 +0900
From: Jakub Kicinski <kuba@kernel.org>
To: Mika Westerberg <mika.westerberg@linux.intel.com>,
 david.laight.linux@gmail.com
Cc: Yury Norov <yury.norov@gmail.com>, Rasmus Villemoes
 <linux@rasmusvillemoes.dk>, linux-kernel@vger.kernel.org,
 linux-usb@vger.kernel.org, Geert Uytterhoeven <geert+renesas@glider.be>,
 Alexandre Belloni <alexandre.belloni@bootlin.com>, Jonathan Cameron
 <Jonathan.Cameron@huawei.com>, Crt Mori <cmo@melexis.com>, Richard Genoud
 <richard.genoud@bootlin.com>, Andy Shevchenko
 <andriy.shevchenko@intel.com>, Luo Jie <quic_luoj@quicinc.com>, Peter
 Zijlstra <peterz@infradead.org>, netdev@vger.kernel.org, "David S . Miller"
 <davem@davemloft.net>, Simon Horman <simon.horman@netronome.com>, Andreas
 Noever <andreas.noever@gmail.com>, Yehezkel Bernat <YehezkelShB@gmail.com>
Subject: Re: [PATCH 0/9] bitfield: tidy up bitfield.h
Message-ID: <20251209164904.6163fcff@kernel.org>
In-Reply-To: <20251209070806.GB2275908@black.igk.intel.com>
References: <20251208224250.536159-1-david.laight.linux@gmail.com>
	<20251209070806.GB2275908@black.igk.intel.com>
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On Tue, 9 Dec 2025 08:08:06 +0100 Mika Westerberg wrote:
> > drivers/thunderbolt/tb.h passes a bifield to FIELD_GET(), these can't
> > be used with sizeof or __auto_type. The usual solution is to add zero,
> > but that can't be done in FIELD_GET() because it doesn't want the value
> > promoted to 'int' (no idea how _Generic() treated it.)
> > The fix is just to add zero at the call site.
> > (The bitfield seems to be in a structure rad from hardware - no idea
> > how that works on BE (or any LE that uses an unusual order for bitfields.)  
> 
> Okay but can you CC me the actual patch too? I only got the cover letter
> ;-)

Right, David, please fix your CC lists. kernel dev 101..