linux-kernel - Re: [PATCH net-next v3 1/4] net: dsa: yt921x: Use *_ULL bitfield macros for VLAN

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Message-ID: <20251127175845.3db1b0fb@kernel.org>
Date: Thu, 27 Nov 2025 17:58:45 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: David Yang <mmyangfl@...il.com>
Cc: netdev@...r.kernel.org, Andrew Lunn <andrew@...n.ch>, Vladimir Oltean
 <olteanv@...il.com>, "David S. Miller" <davem@...emloft.net>, Eric Dumazet
 <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>, Simon Horman
 <horms@...nel.org>, Russell King <linux@...linux.org.uk>,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next v3 1/4] net: dsa: yt921x: Use *_ULL bitfield
 macros for VLAN_CTRL

On Wed, 26 Nov 2025 17:32:34 +0800 David Yang wrote:
> VLAN_CTRL should be treated as a 64-bit register. GENMASK and BIT
> macros use unsigned long as the underlying type, which will result in a
> build error on architectures where sizeof(long) == 32.

nit: sizeof(long) == 4 ?