From nobody Thu Oct 2 09:21:01 2025 Received: from mail-wm1-f74.google.com (mail-wm1-f74.google.com [209.85.128.74]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B8EB41A5BBC for ; Thu, 18 Sep 2025 14:16:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.74 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758204999; cv=none; b=HnNwlhtfdGO2gOjNyyti+Hk7W+f77bxcOa0xecpNyFjy5ivBv8h+E10lTSpjOfNSTtFDNHSz0wkMRr7miuVBB/bbkidDAa7raIT7zPvgRAOTHqLBSkfAVuy7Mfc5ZxEbyZkMY9hdu5oPAttM1dHwqKwbPV/CsACXXzH36tqSPSM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758204999; c=relaxed/simple; bh=W03uBm9xWwcUmzFy0U9fwZoTKm883Iab30MWpbBy8ag=; h=Date:Mime-Version:Message-ID:Subject:From:To:Cc:Content-Type; b=SQXM34fsio7zwnSIVodjXLPW9WxyUdR0VdqfJKcan2WQ5bG1PftKQEbKT4Km+NPv2k/kYKjYXWJ7IZG+V/c5DrgQ7JMdsneOAfXTVrPxFnyzL3Ra/2RmiwOIctRCRTXEwhyKMD8crRNB90hzCIonvzj2zwxHDXBTqUER9QTTmaM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--abarnas.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=pVMpMRyM; arc=none smtp.client-ip=209.85.128.74 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--abarnas.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="pVMpMRyM" Received: by mail-wm1-f74.google.com with SMTP id 5b1f17b1804b1-45dd66e1971so9825545e9.2 for ; Thu, 18 Sep 2025 07:16:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1758204996; x=1758809796; darn=vger.kernel.org; h=content-transfer-encoding:cc:to:from:subject:message-id :mime-version:date:from:to:cc:subject:date:message-id:reply-to; bh=4VpmXSIu+qpJvsDpO1PV+NUaPdBqqdiEw/vU8U+iM14=; b=pVMpMRyMX/K7R8p+A9Eft/SOCA0xJYBahm8vseIc0pvXBoI4Mj9bBK5qzMJiIvkE3V /uLRSkgec6CpZi1zfHIteRBdO5lnCjMKH85p9hFXR1kCYIzw6EML16f9EeQz5eo/CN23 9v325WRl3GHReAx1PDsVxfsmQGSj2ZzAUxO6oytoDK+ILuJhmrcdw5vAH21FrB+As/kB Hn5/TsivqNA5sz8Zi6GYpXrGEZNSqpNeVM/f65wov0FwVfZfcYJaLf25uFNupFhr5GG+ 3HpjqMmv94mppsKr3UPqD79ZsRrPrjgbPwS9nZcxyJMWAPllSo4MoZ8/xjX5QWTkzp3o GGLg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1758204996; x=1758809796; h=content-transfer-encoding:cc:to:from:subject:message-id :mime-version:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=4VpmXSIu+qpJvsDpO1PV+NUaPdBqqdiEw/vU8U+iM14=; b=Aqb5s4rN/ROSMPjRGYSZU1GXm7ULw6tUx/oEOZJvm48gGfgUmZYuxD8pUhDYKYEUvG ehhMVQ8ao34U/Az25UtxmsmtiBVUNHmcXr4noUI5jdyJMQDRiJ/lKTeq0tjuMzkM0kBv aVH1lEOm14qPtRILPl/ZkdWrsjKCJXfXTVWouUx8SG5mNMlfOCfiWzS/EX0f306NCzi6 vdp1LKoyA7FhRdjxrsRWAWJT2CtJ93AH5MDPcPmlIpRPTKGMfoQs9u4wQ12UjOj98g62 MoHxmOe+G7IZ4MdKv2WZX44Px2EW/9K2b61Lghi0wzEkcHHSbgrs+suUNGXlO2aeYGx7 xv2A== X-Forwarded-Encrypted: i=1; AJvYcCW/JboKYNWAipspnW5vTJdbtJVScfFZ6f+5+RS4x+bxxly8QxFszjF+T9S8BZhHPzea2dx+kFSufwRs7cQ=@vger.kernel.org X-Gm-Message-State: AOJu0YxSSmxjDdRRS+tIcTOk+08M/76b5PW1I/UO3JrL5oM1watJyfih IAPKltHXUPjLE/+etxvJB93X1lvJfVEQ7fzUYIC+OjzWxIqT8T+qAC7lvnhQr2F7mIpRboAd2sj Fr5eO1Htjfg== X-Google-Smtp-Source: AGHT+IFG/CG36IeKleqVuSqLctsPfpA2xFgjVVKw4opNjMh9ri6iTo2cGwDFZ3VXvHE8Jmqqc1cSa0C77UST X-Received: from wmoi20.prod.google.com ([2002:a05:600c:4814:b0:459:d8e5:ae9d]) (user=abarnas job=prod-delivery.src-stubby-dispatcher) by 2002:a05:600c:4e93:b0:45f:2d21:cb36 with SMTP id 5b1f17b1804b1-462074c576amr50115025e9.35.1758204996093; Thu, 18 Sep 2025 07:16:36 -0700 (PDT) Date: Thu, 18 Sep 2025 14:16:33 +0000 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 X-Mailer: git-send-email 2.51.0.470.ga7dc726c21-goog Message-ID: <20250918141633.339803-1-abarnas@google.com> Subject: [PATCH] powerpc: cell: make spu_subsys const From: "=?UTF-8?q?Adrian=20Barna=C5=9B?=" To: Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , Christophe Leroy , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , "=?UTF-8?q?Adrian=20Barna=C5=9B?=" Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Because driver core can properly handle constant struct bus_type, move the spu_subsys to be a constant structure as well, placing it into read-only memory which can not be modified at runtime. Signed-off-by: Adrian Barna=C5=9B Reviewed-by: Greg Kroah-Hartman --- arch/powerpc/platforms/cell/spu_base.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platform= s/cell/spu_base.c index 2c07387201d0..733b512992c0 100644 --- a/arch/powerpc/platforms/cell/spu_base.c +++ b/arch/powerpc/platforms/cell/spu_base.c @@ -464,7 +464,7 @@ void spu_init_channels(struct spu *spu) } EXPORT_SYMBOL_GPL(spu_init_channels); =20 -static struct bus_type spu_subsys =3D { +static const struct bus_type spu_subsys =3D { .name =3D "spu", .dev_name =3D "spu", }; --=20 2.51.0.470.ga7dc726c21-goog