From nobody Thu Apr 2 14:14:42 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 856D729DB88; Fri, 27 Mar 2026 21:39:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774647545; cv=none; b=q49AvDUeDI1zVPkVmAqGVFYc7Q/qFuenk5PSg2UAMbNXkZGGkbcajLsurCM/XcU2BlZv2bK5+r0k9OCKvIupRE2eDMZFi4vDo+VaF3P2Ta/olWe0Yqihvd2M40axeTgaLG1BNr+YN5ssKi51et2L/qx3C0y/PicKYkrEs+Fg0/U= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774647545; c=relaxed/simple; bh=m0xyN/K4zSKcbMCe0Pigk/i5SRWQIcAcko2GQbCvTjg=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:To:Cc; b=qSOetwC/dY+VH02tCTgp3QyJZbpVN95ByBxy0w1nnxOd2MPQj7ClYBc3Lt0iCSnRSnQ7OI4YUc3tFiSX9JPyR6sCqLf6dUTqx5aILyFNX9AQ8l6HjCFapIkKpBeZa6WDcFAoA6r3Ut3jkZ2xQ49j5Owdo64A1CzhaxsWgGPai58= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=toHYW7vR; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="toHYW7vR" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0354EC19423; Fri, 27 Mar 2026 21:39:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1774647545; bh=m0xyN/K4zSKcbMCe0Pigk/i5SRWQIcAcko2GQbCvTjg=; h=From:Date:Subject:To:Cc:From; b=toHYW7vRoEUWdcJjPz6TA1qTwrnJuw2lVfyg8XYEcr3C0SVa0+i7LFe3PEWxhRPTc 30a33Msav4wL0TDWZZoYgjok56+O/WV61RkBGsTLgiTCfPt5RVH43WWN+3438Gp1KY aEPIWd0YQrdraTa95iIUQbZk2H9jnaQoY+VaXXXXI0A0FZebSDUdrwI4qSdjV6cuoA Himl6hXUQlpqErfe/E7QeQgqzlUuc7WLH9YlS47oCxwKJ9XEPXuR5hHx9MTHg0gLhM 4OFsZb7t95rOXQXoPDu0FDH8rqrOhDXORg0kaYOxKomajkS5UUDH1GjpMk2Z/i+UPF maLu4iHUMzzcw== From: Nathan Chancellor Date: Fri, 27 Mar 2026 22:38:55 +0100 Subject: [PATCH] scripts/dtc: Remove unused dts_version in dtc-lexer.l Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260327-dtc-drop-dts_version-v1-1-41066690aefd@kernel.org> X-B4-Tracking: v=1; b=H4sIAAAAAAAC/yWMQQqDMBAAvyJ7NmBiTcWvSBG7WdvtQWU3FUH8u 1FvM4eZDZSESaHJNhBaWHkak9g8A/z244cMh+TgCueL0j1NiGiCTHMC7RaSMzC2Kqm26P3DIqR 0Fhp4vbbt63b9v3+E8XzBvh+CB5t5eAAAAA== X-Change-ID: 20260327-dtc-drop-dts_version-153e81c6641c To: Rob Herring , Saravana Kannan Cc: Nick Desaulniers , Bill Wendling , Justin Stitt , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev, stable@vger.kernel.org, Nathan Chancellor X-Mailer: b4 0.16-dev X-Developer-Signature: v=1; a=openpgp-sha256; l=1703; i=nathan@kernel.org; h=from:subject:message-id; bh=m0xyN/K4zSKcbMCe0Pigk/i5SRWQIcAcko2GQbCvTjg=; b=owGbwMvMwCUmm602sfCA1DTG02pJDJnHfnxz6zbt2fzjTpVxvsc/dZ5Mly/2E942ZbxUPK9v8 un4kuQjHaUsDGJcDLJiiizVj1WPGxrOOct449QkmDmsTCBDGLg4BWAiQPX/7N7rva6YLSAaW/rW NWJD+P80jTOCtT/V2gN9K8IZxGauYmS4mBW/ovheWF+kewjD33tPNz06+lve6qN3j/F9Lp0l4n1 cAA== X-Developer-Key: i=nathan@kernel.org; a=openpgp; fpr=2437CB76E544CB6AB3D9DFD399739260CB6CB716 A recent strengthening of -Wunused-but-set-variable (enabled with -Wall) in clang under a new subwarning, -Wunused-but-set-global, points out an unused static global variable in dtc-lexer.lex.c (compiled from dtc-lexer.l): scripts/dtc/dtc-lexer.lex.c:641:12: warning: variable 'dts_version' set b= ut not used [-Wunused-but-set-global] 641 | static int dts_version =3D 1; | ^ This variable has been unused since commit 658f29a51e98 ("of/flattree: Update dtc to current mainline."). Remove it to clear up the warning. Cc: stable@vger.kernel.org Signed-off-by: Nathan Chancellor --- This is commit 53373d1 ("dtc: Remove unused dts_version in dtc-lexer.l") in upstream dtc. I sent it separately to make it easier to backport to stable, along with updating the warning and hash to match the kernel's version. --- scripts/dtc/dtc-lexer.l | 3 --- 1 file changed, 3 deletions(-) diff --git a/scripts/dtc/dtc-lexer.l b/scripts/dtc/dtc-lexer.l index 15d585c80798..1b129b118b0f 100644 --- a/scripts/dtc/dtc-lexer.l +++ b/scripts/dtc/dtc-lexer.l @@ -39,8 +39,6 @@ extern bool treesource_error; #define DPRINT(fmt, ...) do { } while (0) #endif =20 -static int dts_version =3D 1; - #define BEGIN_DEFAULT() DPRINT("\n"); \ BEGIN(V1); \ =20 @@ -101,7 +99,6 @@ static void PRINTF(1, 2) lexical_error(const char *fmt, = ...); =20 <*>"/dts-v1/" { DPRINT("Keyword: /dts-v1/\n"); - dts_version =3D 1; BEGIN_DEFAULT(); return DT_V1; } --- base-commit: c369299895a591d96745d6492d4888259b004a9e change-id: 20260327-dtc-drop-dts_version-153e81c6641c Best regards, -- =20 Nathan Chancellor