From nobody Mon Sep 16 18:49:14 2024 Received: from mail-pg1-f182.google.com (mail-pg1-f182.google.com [209.85.215.182]) (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 8DA254C61B for ; Mon, 12 Feb 2024 20:04:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.182 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707768278; cv=none; b=RX75WYMqAKW5jvKuTHimZTN9qY7jvwZTkZBpE2k7NmsTMfr9QGMVlR1UqbcX4kHTDFdAw2WDNp3AQsmu/Q9SUv+3V5YCh29JJyFudYu1FAjXngMWsvMgX5mrYM1QaOLt3frK53lvN6c9FXxfwgOJ5zq1dOxLa/jGyoNtbCGFn0Q= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707768278; c=relaxed/simple; bh=0dAO+EHiuSLBj8m4VZ3xVszabZA/PMRk3GFVh4R9llo=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=g37q9ErbNa82ncK5zOmRG9wyQc0C0vMLOUbsCvcpYoYPHtbnYFFCbBXzT68tETmrB0YSmdUV+fmOuCmdTDCfSGPdWLDzLtGfshNsu5dnySjTRxXAXE+/mp+QmSOhUsllEUAPz597eGDKBugHtIzCW17gDJ5mZYUhu+fRreEoHKU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=marliere.net; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=marliere.net header.i=@marliere.net header.b=QytN18AT; arc=none smtp.client-ip=209.85.215.182 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=marliere.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=marliere.net header.i=@marliere.net header.b="QytN18AT" Received: by mail-pg1-f182.google.com with SMTP id 41be03b00d2f7-5d8b519e438so135993a12.1 for ; Mon, 12 Feb 2024 12:04:36 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707768276; x=1708373076; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:dkim-signature:from:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=WXWSV+y18LZ5HLeeHfMaArrF2sqw5eZ12bKConVfkds=; b=XuaMI+w7me3rwPeUgOuhopzg1+xYHF/ZeMw2H7CC5KidCNpshI4X7EhYKYAAdSvdIl y388OKKXbN2cAfvxE4Ks1bEKrtV77MpRJ0fS3TBLCZ3lfSwWCzKA5gK9MknaWAYD5Iug WVF3TGZYPBTNrAaLe3X/eB2Ujs+5uriYwCeRGIBGQa03j7hid8lnxaXLIElkusA0VCWP PU5iwplImv6zP6wjRVFlTV00BMnHaydoNVdkwOPBTOwqQGTFG13yfZYsYUoh2lAU4gnk 6jECtgcLCTGpJv18WPf6qA+Bq7tV+S9DbQpES8IDhUfzqY8UC5Jakjma5ORaWb+Dh7yE 9drw== X-Forwarded-Encrypted: i=1; AJvYcCWp9jVyzoA9EADGtNVoboGEmOsnE6R0Ga+jnxC180V/RjNjB109nkdh2HmTa+pPbeQIf9uh2csdOBxnWFhNkzEsHi9+Jq5yl54yXsXw X-Gm-Message-State: AOJu0Yx9GGqTVH1GOgJYhTLyyR9r8ZdLQlMlGQUNYdLk5iPeeKQ3bUk8 BZvpXQ8nG58kOr3hEnJX5Ctxh20+2n9LHX9zMkEBtYedueLiWaoQ X-Google-Smtp-Source: AGHT+IGMrjwNl1612w0C9k06Puy+10fyLLKUAUNnYXIv9184Riy86C1Og1UKfJZoYAUrTM+Lkplx8w== X-Received: by 2002:a17:903:230b:b0:1d9:40f3:ada8 with SMTP id d11-20020a170903230b00b001d940f3ada8mr8856086plh.3.1707768275779; Mon, 12 Feb 2024 12:04:35 -0800 (PST) X-Forwarded-Encrypted: i=1; AJvYcCUDHjxpA0uU3XGvuzhI5SZIquSVLx1zmfFKybGvheSex+hPZy/JzWjZ7CTiIwYLPLehe0po1yJVJC+qBzUb596l742Nkw3KRlh3qazWfWfyUohTv9MGhO+dbyCHa6MnzupDF6nm3JvKh8Ci7crYGe3QSBM9XUHC0Ni5r37pSz/LNHUA3EQt803b9wkUQIPqiPvg1Gul5BTtJgS/Gk4Ub1tbfT/py/ThCrx4v5Z+2eQY1nWr4mA8taDd8P1h6mHV+AkpU960x3GjVIntAmC1 Received: from mail.marliere.net ([24.199.118.162]) by smtp.gmail.com with ESMTPSA id ld16-20020a170902fad000b001d70c6d40f3sm704783plb.237.2024.02.12.12.04.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 12 Feb 2024 12:04:35 -0800 (PST) From: "Ricardo B. Marliere" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marliere.net; s=2024; t=1707768274; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=WXWSV+y18LZ5HLeeHfMaArrF2sqw5eZ12bKConVfkds=; b=QytN18ATL8fKnUEP2ncuOPGuiXEIsGGbkVZ6wJhrjBcmLZmNTLs/hIJyiHTWkr2hyZt81s 5pmTK4iknYS51FMajxkKa9HQcswI1uO6at9zJuVR5N0bJdVftvWgO7WGc7qn/sLtcz8YlC TNtn0/iQBImF0B25aCCBWx+X1mWYvGkw3qWmK1wqvnfVigcPUaXdi/1Dmx/9BO+Yz8Q3l4 Y6nRPb7hLuw7QM6ufoFBTuvf/mKGotBW07erL1H3JFiQeJJrPrGGAvAfVxnHrUvYn5qjg4 GU7VoCVqIAdhsppoD9KXGJe1gB8mog4q3L/WD2HAgAZ/R1LjhWZa0PRJM+AAew== Authentication-Results: ORIGINATING; auth=pass smtp.auth=ricardo@marliere.net smtp.mailfrom=ricardo@marliere.net Date: Mon, 12 Feb 2024 17:05:01 -0300 Subject: [PATCH v2 3/5] powerpc: mpic: make mpic_subsys const 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: <20240212-bus_cleanup-powerpc2-v2-3-8441b3f77827@marliere.net> References: <20240212-bus_cleanup-powerpc2-v2-0-8441b3f77827@marliere.net> In-Reply-To: <20240212-bus_cleanup-powerpc2-v2-0-8441b3f77827@marliere.net> To: Michael Ellerman , Nicholas Piggin , Christophe Leroy , "Aneesh Kumar K.V" , "Naveen N. Rao" Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, Greg Kroah-Hartman , "Ricardo B. Marliere" X-Developer-Signature: v=1; a=openpgp-sha256; l=1352; i=ricardo@marliere.net; h=from:subject:message-id; bh=0dAO+EHiuSLBj8m4VZ3xVszabZA/PMRk3GFVh4R9llo=; b=owEBbQKS/ZANAwAKAckLinxjhlimAcsmYgBlynnutnni9XUVE9ggMNrQa0bFx3O0p8SdcpMnT bc4vf6TJT2JAjMEAAEKAB0WIQQDCo6eQk7jwGVXh+HJC4p8Y4ZYpgUCZcp57gAKCRDJC4p8Y4ZY pjVVD/4nYBGZn22+WZU78auZCxMYQWDaHW9MiL8IaAxdjcjFLzfkLKAjb5ss+BIQ7Mqu11gKx+K VXEWgxDmIbpAuJpsxSlljamuz00Mjf0+Dx6tP5CyVBLesDUyE0DgAYa+5fGQpLj3QpDhZsMuWz8 LyRMpA7WcmmOf8p0hGvx4V4qq7qa2KFWitkKeIwaOdNVI6syzYPkvNhjkR1Wci9jjHk7Kde4cfo zos7RaoLqbd0DgIc1CPIKOeOtF2xQdCMcn91M7vKvXLgzsDfrJ9x2SjeHHOKMRTkaCjwq8nzPyi mbfv7xaccaEFdhjzOSB/FLCf5SNgHyHOiESuhqOdjj66yvtw+5YZfBOyrfpculJ2lOO5H9mzlib l1MGtq0uOA8WMrVi71TYlX2NutQBmqoWCaZHknJigYm6zMrtk8LOc/v7rPBiy5o3oO6XF4lhO/d IqHkqluyASaq+luXDw1jqu+Fl69wepx6Hv2UDSi3CXohCaz7BUwdqs6Y6AkMS+a0Sa2Llr1cvex ypVfDu6UKs09/okvR2aFne7wcvtEQXpWxLkueA6PFSzpxyJLcgXr6WHPf/2xGZMATf/p+eCxeU1 GdmUtxO0L2sPy7cHh/6f0KnRFGVg4a7cHWOSp++wKy3vmODpIydvixJrk4y4OqGrWriPzFG3Kr1 VkRPilS+S4Yn7Ww== X-Developer-Key: i=ricardo@marliere.net; a=openpgp; fpr=030A8E9E424EE3C0655787E1C90B8A7C638658A6 Since commit d492cc2573a0 ("driver core: device.h: make struct bus_type a const *"), the driver core can properly handle constant struct bus_type, move the mpic_subsys variable to be a constant structure as well, placing it into read-only memory which can not be modified at runtime. Cc: Greg Kroah-Hartman Suggested-by: Greg Kroah-Hartman Signed-off-by: Ricardo B. Marliere --- arch/powerpc/include/asm/mpic.h | 2 +- arch/powerpc/sysdev/mpic.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/include/asm/mpic.h b/arch/powerpc/include/asm/mpi= c.h index 58353c5bd3fb..0c03a98986cd 100644 --- a/arch/powerpc/include/asm/mpic.h +++ b/arch/powerpc/include/asm/mpic.h @@ -336,7 +336,7 @@ struct mpic #endif }; =20 -extern struct bus_type mpic_subsys; +extern const struct bus_type mpic_subsys; =20 /* * MPIC flags (passed to mpic_alloc) diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index dabbdd356664..d94cf36b0f65 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c @@ -49,7 +49,7 @@ #define DBG(fmt...) #endif =20 -struct bus_type mpic_subsys =3D { +const struct bus_type mpic_subsys =3D { .name =3D "mpic", .dev_name =3D "mpic", }; --=20 2.43.0