From patchwork Tue Feb 13 14:49:24 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Ricardo_B=2E_Marli=C3=A8re?= X-Patchwork-Id: 13555205 Received: from mail-pf1-f177.google.com (mail-pf1-f177.google.com [209.85.210.177]) (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 E4D1057872; Tue, 13 Feb 2024 14:48:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.177 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707835731; cv=none; b=CkP0tpAqYvIp3o0La3Z2QyEom15+pUc5DHvOLZu5BeWGnrdEBwyiE5IDnC4ShyYeS1/jNo5qHj5kdB9D7C41KUNHaXu7AFRXLkNWSP+TPJYq/7oNg3SlwExvQfGS+dyqMbEdJ/CnJHq2syp4fq79A42CaCXyPIZ/+bIOpShAVO4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707835731; c=relaxed/simple; bh=Hp8mvyt+VjxYExGMlG76pKzOl25D9A5JxlR9WjTxw1A=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:To:Cc; b=EQGl5NHu02F9cwP2pX42N14Cb00LVPFDsvd8tnHWei6hdU775rNkmj9LisqwhfKa9PZKhLOCxOe/Gl90Yn37qGQUmMl8jGsR4ny0tNQVTJrUtXO4422PHQn8sdgOU35ilxLeXVUuEV4ZRHhzQiinP1YrAVKh2fBfQkJ85lzirRg= 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=Jy1Dv3en; arc=none smtp.client-ip=209.85.210.177 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="Jy1Dv3en" Received: by mail-pf1-f177.google.com with SMTP id d2e1a72fcca58-6e104a8e3f7so161570b3a.1; Tue, 13 Feb 2024 06:48:49 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707835729; x=1708440529; h=cc:to: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=WcJ/4XXUkmIs/AxBEZqPBBYbK4WSWW8zJOWwCs/sCOw=; b=wp+mXHQG7UuIq5dxoQI2cXmIL+VJ7njQp725Mzqge9+1NPJmJAq5L1U7uQgNPw1nOl pTWevcTX6tftDkHtJFvi6IA0hI1TB2h9CQKlv9fG8C7960Mx8sn34XnGEs46sBm0tnAV JoDFJpyxYhkNrVvTY0gkkdCe0lDNsLd3Ufvsa51G14JgwWqaERrX0zrqRIAMPI5Y8Rr+ 5AQ9qz6eJ8nirqAsAswRR1LPira1LDxlB2u6shw4kI+ZyPhHBooklo3wmX5QpQJh8cTJ a86GdUji1IZVC9oHylCQ4SzZE/Lzp5ODR29p4RNZ/em8m61peg0U/12I4tMhGdYsySwv wyhw== X-Forwarded-Encrypted: i=1; AJvYcCUFYj2Ig+7j5a+q9Ec8m7jPG2zLr6vlaDj6pnM5NaT++fZLJr45ZQl6xZNTzT+AMGZ+9nWZtWWl12k+sytRDyKGx9Ol2f7ukrx4SFDb X-Gm-Message-State: AOJu0YzNSrluNOl/o/1d4VGlJiM4AQNkIYPIuebP1vtrKb2YgMFiulGV 4eTHOxH8kGVTSTp69tFO5QTsnNX0pP49sF5Gyi0w4cgj6BGqAA8R X-Google-Smtp-Source: AGHT+IFdKAp/l+QJiHd7DU1vKBwpmkWa9PJT7uuc5kWaQKkeGGLYKQnLdT6alrJ9ZOmpAWsrtLoQLg== X-Received: by 2002:a05:6a21:594:b0:19e:987c:78a7 with SMTP id lw20-20020a056a21059400b0019e987c78a7mr12685032pzb.32.1707835729212; Tue, 13 Feb 2024 06:48:49 -0800 (PST) X-Forwarded-Encrypted: i=1; AJvYcCUSS93rruFCgfejHPRye9WMl0t1diTlcC4E/ZVv+0fIjOYr7U7XTtqv4sLW+8UNu4rRtai9TKWW3uSsahlmHakrvSWZHL6lTaFlXlJ6m/TgDa8JHTA91ZuJrccIAwHc1rfUSLJ57pk0076KWybmwgc0ZRVOHqtknS7oekQvUQ6HOs4= Received: from mail.marliere.net ([24.199.118.162]) by smtp.gmail.com with ESMTPSA id kr3-20020a056a004b4300b006e050c8f22bsm7453104pfb.207.2024.02.13.06.48.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 13 Feb 2024 06:48:45 -0800 (PST) From: "Ricardo B. Marliere" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marliere.net; s=2024; t=1707835725; 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; bh=WcJ/4XXUkmIs/AxBEZqPBBYbK4WSWW8zJOWwCs/sCOw=; b=Jy1Dv3enl2hRHQ3cIKkzxS5cfKynKEySlXDaqxCIRtX7oiZNAKK62jim/SIfg2exgwfbnS OvXm1TNkIWsWpHCZz9ovmgZ1tGYLMqktt3ZzoUkeu9b/OEsEfFU0e4qGCige5JDtg5N5ra IO/z7h1/NVJ0p0UiZeHqFd2ajwtorDoqOCGeshcFPG6gS46oc9hOQ40Kt8ph2AkrM9UEsm 1F2Abtqmleos/+IasgP+4xOFFLQOlZvvM/06VI7+qZgnHMUXF789qTpyHVRudKvtVFeW+y umxxLFRz9FL3kEZfmO6GllYIGmzELS2sSeXg/5M2Pd8mEV2soKZ6dZqsUY+q8A== Authentication-Results: ORIGINATING; auth=pass smtp.auth=ricardo@marliere.net smtp.mailfrom=ricardo@marliere.net Date: Tue, 13 Feb 2024 11:49:24 -0300 Subject: [PATCH] mips: bus: make mips_cdmm_bustype const Precedence: bulk X-Mailing-List: linux-mips@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240213-bus_cleanup-mips2-v1-1-9c0e3d4a1852@marliere.net> X-B4-Tracking: v=1; b=H4sIAHOBy2UC/x3MQQqAIBBA0avErBPKpKKrRETqVANl4mAE0t2Tl m/xfwLGQMgwFAkC3sR0uYy6LMDsi9tQkM0GWUlVyboROvJsDlxc9OIkz1KoRhnT2n7ttIXc+YA rPf9znN73AwdBXSljAAAA To: Thomas Bogendoerfer , Serge Semin Cc: linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, Greg Kroah-Hartman , "Ricardo B. Marliere" X-Developer-Signature: v=1; a=openpgp-sha256; l=1685; i=ricardo@marliere.net; h=from:subject:message-id; bh=Hp8mvyt+VjxYExGMlG76pKzOl25D9A5JxlR9WjTxw1A=; b=owEBbQKS/ZANAwAKAckLinxjhlimAcsmYgBly4F0gttmp3dOtWiELtmIr2hBM46211iPuY9W/ XEjeGhlyeiJAjMEAAEKAB0WIQQDCo6eQk7jwGVXh+HJC4p8Y4ZYpgUCZcuBdAAKCRDJC4p8Y4ZY pqMRD/9Q6Cg3cgKT+ztsti5Q3Hfbsev0Lu2bQZDH3sTVwh7dbnRtlbUQ5gZfLkBsTNGEJ4zhsOp 4pBAMV7ekmPMK6kk9cZxax4JrHt/aGSaA1L2ozEvYTbuyEN9BfxNDIYdC4xGEGKz+Nojk+rzsG9 zNfB8Eitlr4jlqT4KMtNUoGFHrRxDtn7TJVVeOg+ulQNe8fBvEhO6lSeUjqW+Gy/obOU+ughqiE Bs2IslNpNtCcUMPrxNoUPmw6B3oCKnTr614Chp6Y1xI1HUwzVVydtcFwUzfOAiDaWA0zSiaMT9s qNvKawsv5kRXtvCWkNx8avkyGfruxlHAISnfiDXjrWKJa7Xkco6Fd72GkTNMEdGoRLBBEVOKQ6J ZoKga6Df9FmPAcQKmj2xfKmDYvYS2UJVQcQLFUTLYGxEY4lsjabvUZscLH4ZTU90yL6+z7ceYGX ipftsLNpp3wdAqQjrJyrNEFA6osA+mwnXtRvS2rY/ksAN1ZuvRgP52c7swmsYX9xPXruBTnfAtD N/T6aNzfhGe0aJ/+ASCzsPxKEtujcdwzOHASjbO3gZVyBdFZ1Dj6X4DRst8e7h6sywQnDnTqcc0 Mk8o2Qm0ab0TDGE5B9ueau6WPklZ3D0PKNXC2AR9/cCqH6tCm4LHrRK5Cdce1RsbGk4jmv6cAU5 avXsg4IGOQ0VzYA== X-Developer-Key: i=ricardo@marliere.net; a=openpgp; fpr=030A8E9E424EE3C0655787E1C90B8A7C638658A6 Now that the driver core can properly handle constant struct bus_type, move the mips_cdmm_bustype 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 Reviewed-by: Greg Kroah-Hartman Tested-by: Serge Semin Acked-by: Serge Semin --- arch/mips/include/asm/cdmm.h | 2 +- drivers/bus/mips_cdmm.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) --- base-commit: 841c35169323cd833294798e58b9bf63fa4fa1de change-id: 20240213-bus_cleanup-mips2-434cc6d8f7bd Best regards, diff --git a/arch/mips/include/asm/cdmm.h b/arch/mips/include/asm/cdmm.h index c06dbf8ba937..81fa99084178 100644 --- a/arch/mips/include/asm/cdmm.h +++ b/arch/mips/include/asm/cdmm.h @@ -63,7 +63,7 @@ struct mips_cdmm_driver { */ phys_addr_t mips_cdmm_phys_base(void); -extern struct bus_type mips_cdmm_bustype; +extern const struct bus_type mips_cdmm_bustype; void __iomem *mips_cdmm_early_probe(unsigned int dev_type); #define to_mips_cdmm_device(d) container_of(d, struct mips_cdmm_device, dev) diff --git a/drivers/bus/mips_cdmm.c b/drivers/bus/mips_cdmm.c index 554e1992edd4..8baf14bd5eff 100644 --- a/drivers/bus/mips_cdmm.c +++ b/drivers/bus/mips_cdmm.c @@ -118,7 +118,7 @@ static struct attribute *mips_cdmm_dev_attrs[] = { }; ATTRIBUTE_GROUPS(mips_cdmm_dev); -struct bus_type mips_cdmm_bustype = { +const struct bus_type mips_cdmm_bustype = { .name = "cdmm", .dev_groups = mips_cdmm_dev_groups, .match = mips_cdmm_match,