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Marliere" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marliere.net; s=2024; t=1707523632; 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=+k6mhvn9Z1qEZ9gBX0t2yHWJO1e3EK/9q68mH5gChTQ=; b=NO551AeqHmfAsopWz1n+TrdIT6Q88VXLtFC9mCaTH3mUfo5o4xlwWQ3kZEXfftQAKwA7J9 vl353OHigWEtfOb0nEV7JG4V0wqwAz1GGTCU5MjRoFFKN0H/m1K78+lc/d/eW9JDCwr0GO AdPZ2X8CgxT+1KhsWA9VV35af/MjyyDPp5SylHfDcTnhvt85LOnQQ4OHwFObUxNbRJhHCX QGFs26Xl60Z5KqKs9YbjG10CyOR0znlmrHXnwB34DzWgHupP4vDm4tvKBRjbIXsIWO0vW1 Trt1vQFCeDvjFQL5daGKa7B5Caiy6EjgxL//pTy8hKKm0bUVjdRRggqYTjmB3w== Authentication-Results: ORIGINATING; auth=pass smtp.auth=ricardo@marliere.net smtp.mailfrom=ricardo@marliere.net Date: Fri, 09 Feb 2024 21:07:16 -0300 Subject: [PATCH 1/4] powerpc: vio: move device attributes into a new ifdef 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: <20240209-bus_cleanup-powerpc2-v1-1-79a56dcaebb1@marliere.net> References: <20240209-bus_cleanup-powerpc2-v1-0-79a56dcaebb1@marliere.net> In-Reply-To: <20240209-bus_cleanup-powerpc2-v1-0-79a56dcaebb1@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=3550; i=ricardo@marliere.net; h=from:subject:message-id; bh=/dPB3W4ot4IPM57QJHJQ3SgqCr0LIpHfgk+Di4Umxa8=; b=owEBbQKS/ZANAwAKAckLinxjhlimAcsmYgBlxr5PtVS5G6NzxtWQjjXBVbaqJRYDiONqEaNdt KuakVG0roSJAjMEAAEKAB0WIQQDCo6eQk7jwGVXh+HJC4p8Y4ZYpgUCZca+TwAKCRDJC4p8Y4ZY pjTkD/9hDewxgLOen60OPPy4AvqOqiFv3Dcx0MlJLDI18HrgJrsq6KPziTvoODmAvRF3KcPqeOE TIqT+O7t6xXiIKcGtkxHqWv6qWGDoujS//gNjvxqQY5bq0yLnrd3RE6qB/ymNLrZ2hgCK1Xl2EZ B/Ms2ZLg7kKX9kNEjYurQk9ltAKu5JnRtKgzOJWz2OersWN3poZfkr5FhM5MKYR16y+MH+jZn08 K2pxP7P2dpawBHxGEZu8XV30QwEs4mGFjL8ho6uaVouIBV0Pk6Ui4X1ecrUbKhK7mIGE852fLgI J4D4mLh8E2Wx853tNoGliqhbIUSUwbxx9o6tOb8LZ4zQdlr1+0XAjB2wU5x6tX0f+NIdNvDeNOk jPqg09gzZqCT//fDTptx0aUVMPYC3wdUDhF62KyEiAFe8HDi/RFMAu6Qip/Xes3YiK1dc4UoiRE bfmguG71tMbn6Vo+CKAXvlv1SE7sNKsLhm432VQQOlKPsY7iDur+NhLwliMZxw6fcu+u4mp1khT lgh7ZycqyQQWh0YChQHbz3sRsQ/cfJ9MRncijvWGjo/d1gBE/Lk1EQ7Mo/u7MLUOqiBcwnf5AoQ kUElMBvpwDuhz4WD1FdOwgRFY7t52AAyx9gKpP8yoRBcXsBFndCoIhiCCdcmH5j70ZS+V3EAETA C6g0QBVV6HU1HVw== X-Developer-Key: i=ricardo@marliere.net; a=openpgp; fpr=030A8E9E424EE3C0655787E1C90B8A7C638658A6 In order to make the distinction of the vio_bus_type variable based on CONFIG_PPC_SMLPAR more explicit, move the required structs into a new ifdef block. This is needed in order to make vio_bus_type const and because the distinction is made explicit, there is no need to set the fields within the vio_cmo_sysfs_init function. Cc: Greg Kroah-Hartman Signed-off-by: Ricardo B. Marliere --- arch/powerpc/platforms/pseries/vio.c | 59 +++++++++++++++++++++-----------= ---- 1 file changed, 34 insertions(+), 25 deletions(-) diff --git a/arch/powerpc/platforms/pseries/vio.c b/arch/powerpc/platforms/= pseries/vio.c index 2dc9cbc4bcd8..6c58824190a2 100644 --- a/arch/powerpc/platforms/pseries/vio.c +++ b/arch/powerpc/platforms/pseries/vio.c @@ -991,18 +991,6 @@ static DEVICE_ATTR_RO(cmo_allocated); static DEVICE_ATTR_RW(cmo_desired); static DEVICE_ATTR_RW(cmo_allocs_failed); =20 -static struct attribute *vio_cmo_dev_attrs[] =3D { - &dev_attr_name.attr, - &dev_attr_devspec.attr, - &dev_attr_modalias.attr, - &dev_attr_cmo_entitled.attr, - &dev_attr_cmo_allocated.attr, - &dev_attr_cmo_desired.attr, - &dev_attr_cmo_allocs_failed.attr, - NULL, -}; -ATTRIBUTE_GROUPS(vio_cmo_dev); - /* sysfs bus functions and data structures for CMO */ =20 #define viobus_cmo_rd_attr(name) \ @@ -1062,11 +1050,7 @@ static struct attribute *vio_bus_attrs[] =3D { }; ATTRIBUTE_GROUPS(vio_bus); =20 -static void __init vio_cmo_sysfs_init(void) -{ - vio_bus_type.dev_groups =3D vio_cmo_dev_groups; - vio_bus_type.bus_groups =3D vio_bus_groups; -} +static void __init vio_cmo_sysfs_init(void) { } #else /* CONFIG_PPC_SMLPAR */ int vio_cmo_entitlement_update(size_t new_entitlement) { return 0; } void vio_cmo_set_dev_desired(struct vio_dev *viodev, size_t desired) {} @@ -1584,14 +1568,6 @@ static ssize_t modalias_show(struct device *dev, str= uct device_attribute *attr, } static DEVICE_ATTR_RO(modalias); =20 -static struct attribute *vio_dev_attrs[] =3D { - &dev_attr_name.attr, - &dev_attr_devspec.attr, - &dev_attr_modalias.attr, - NULL, -}; -ATTRIBUTE_GROUPS(vio_dev); - void vio_unregister_device(struct vio_dev *viodev) { device_unregister(&viodev->dev); @@ -1626,6 +1602,38 @@ static int vio_hotplug(const struct device *dev, str= uct kobj_uevent_env *env) return 0; } =20 +#ifdef CONFIG_PPC_SMLPAR +static struct attribute *vio_cmo_dev_attrs[] =3D { + &dev_attr_name.attr, + &dev_attr_devspec.attr, + &dev_attr_modalias.attr, + &dev_attr_cmo_entitled.attr, + &dev_attr_cmo_allocated.attr, + &dev_attr_cmo_desired.attr, + &dev_attr_cmo_allocs_failed.attr, + NULL, +}; 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Cc: Greg Kroah-Hartman Suggested-by: Greg Kroah-Hartman Signed-off-by: Ricardo B. Marliere --- arch/powerpc/include/asm/vio.h | 2 +- arch/powerpc/platforms/pseries/vio.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/powerpc/include/asm/vio.h b/arch/powerpc/include/asm/vio.h index cc9b787627ad..6faf2a931755 100644 --- a/arch/powerpc/include/asm/vio.h +++ b/arch/powerpc/include/asm/vio.h @@ -39,7 +39,7 @@ */ #define VIO_CMO_MIN_ENT 1562624 =20 -extern struct bus_type vio_bus_type; +extern const struct bus_type vio_bus_type; =20 struct iommu_table; =20 diff --git a/arch/powerpc/platforms/pseries/vio.c b/arch/powerpc/platforms/= pseries/vio.c index 6c58824190a2..90ff85c879bf 100644 --- a/arch/powerpc/platforms/pseries/vio.c +++ b/arch/powerpc/platforms/pseries/vio.c @@ -1615,7 +1615,7 @@ static struct attribute *vio_cmo_dev_attrs[] =3D { }; ATTRIBUTE_GROUPS(vio_cmo_dev); =20 -struct bus_type vio_bus_type =3D { +const struct bus_type vio_bus_type =3D { .name =3D "vio", .dev_groups =3D vio_cmo_dev_groups, .bus_groups =3D vio_bus_groups, @@ -1634,7 +1634,7 @@ static struct attribute *vio_dev_attrs[] =3D { }; ATTRIBUTE_GROUPS(vio_dev); =20 -struct bus_type vio_bus_type =3D { +const struct bus_type vio_bus_type =3D { .name =3D "vio", .dev_groups =3D vio_dev_groups, .uevent =3D vio_hotplug, --=20 2.43.0 From nobody Mon Feb 9 08:00:03 2026 Received: from mail-pf1-f173.google.com (mail-pf1-f173.google.com [209.85.210.173]) (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 AD6D53D64 for ; Sat, 10 Feb 2024 00:07:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.173 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707523643; cv=none; b=l6b5/P1XdXl90Gm6yPQrnX2mNDImstiwTTIea0DGQo8lybXhok7IldQBV2cBsEqMmJdf3xr4f125Cg+TMA1aXBztdfRIDIBb+jwEDgPSPVqQ5npSaYnB9pd98Y3h5OzHIewWpL4z5EC4F7ymmfNB1llwJzxRDhv1PhgGDdhjo+Q= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707523643; c=relaxed/simple; bh=C8aIrz+YvO9fxNUkdAMJJ6XdrDgygMKYTt1snLgv0Dc=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=omq5Awum+wlbiRlbi2U5kbAX+yfm68yN/opIKZ/RYyS1nYwrdPRQToCbW38I7ISG43aVAaOcoXTNuhrL74ugXQiJizeuOK0X9wNAiahIFAeT04J6Qv9DL6CZVbjYLP2AVn9VHkFv72uVY0hodNZNAWw4gUXVqmRhyFtL8+k38Ms= 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=ZPpCzVbg; arc=none smtp.client-ip=209.85.210.173 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="ZPpCzVbg" Received: by mail-pf1-f173.google.com with SMTP id d2e1a72fcca58-6e05d958b61so1311581b3a.2 for ; Fri, 09 Feb 2024 16:07:21 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707523641; x=1708128441; 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=gK8p55xLirSUiR9q0E6ZCWh0WNCH7QbqUfIi685HA9U=; b=TwFUYu4GXLLXI0JDqxN9aoswzP+CuHcoJREooA4lZ8o8YWlTO054M2ZTip+pPXSfvj fWQwtgxGKYhqcbXGdzUNAeklJCmZf8VTnvHlDSLDTus7ZKLKdrCjvU+zvTwo9s1VCldv 4UYzNmyR8gYXkWPTUApeTC+ZaBVqFnUEht+GzWEUvXe3CbDvtxWhWItk8tY43LorMcqy N+Hw0gFcDQvl4HGnvSMpswVM+BDtSbOi3F+HZgG9HEB4d3DvH8kdRoNc8k6rbw2dB24c liCkVhyBmQvhGIBhP6cWYplB9es5aW78boeY3zXMYDZArv1xpfiJUEtOuqC7E3hANE4W iu8Q== X-Gm-Message-State: AOJu0Yyz510Bs37tRP6RsaMZKQK1Xgg1d5e3KHDm3DFocnfpXQklkU58 MeDVBQjUtDqV5CYTVcS7hHFJGDWjLyLvURdM7YwYav4OrtZZVrGsJB7zSUFDe7aRUg== X-Google-Smtp-Source: AGHT+IHlqpZ453+HYvKc7vTrYs9euHZKY1I2GewR4Z0mRWnxSbHz6Fi0SyDivhnecXA2mqvFXzAVWw== X-Received: by 2002:a05:6a21:150c:b0:19c:9418:c396 with SMTP id nq12-20020a056a21150c00b0019c9418c396mr961326pzb.31.1707523640772; Fri, 09 Feb 2024 16:07:20 -0800 (PST) X-Forwarded-Encrypted: i=1; AJvYcCXT2cTs43LdujFWL6c11U73A539Zg6VkGsvBctFbXDLZzfwJdCYU3Hiv9HalRFxOOXcSoi94nmmGdZb2A1Wj8QvDM5Yvy0zB8Ah4ao0deJbAmtdu61d/PXq9918SqX9OcXrOBa9euAx0BqFrXbrI/v9pV1HN5HjB4N/LaAayBHu6ETnJBt8B+ncFWBiaoxlQNkL9Z4nKwDnA3sFiT8Bu764diZkRffyRjUZdNZ19hM3odfct+oNbAgWW06hM2O6/DLcyU3O7e2VbrcwEbbK Received: from mail.marliere.net ([24.199.118.162]) by smtp.gmail.com with ESMTPSA id a21-20020a056a000c9500b006e04d2be954sm1122559pfv.187.2024.02.09.16.07.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 09 Feb 2024 16:07:20 -0800 (PST) From: "Ricardo B. 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Rao" Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, Greg Kroah-Hartman , "Ricardo B. 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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 From nobody Mon Feb 9 08:00:03 2026 Received: from mail-il1-f180.google.com (mail-il1-f180.google.com [209.85.166.180]) (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 22D424C6C for ; Sat, 10 Feb 2024 00:07:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.180 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707523646; cv=none; b=dtkgLpTThqypjwNOlKsv/lSTvrGtCwYWNXW/uUjZnx7+EC2mtabTOxJLyBuDaT3SP8+Z2QHpUpEs0lGVypPDDj3k87IQSrYL/Zs+I27naoXkRtXw2TWbFinMiHGniXvXm3eQrSi7XQ6WLfnhDOWm7/nRiPITjWJPlnv8RHJGpfY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707523646; c=relaxed/simple; bh=qfzL4dZjlBHFtDwhGgCc6fcqy06lU4Edb3ekIeLug9k=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=D+5wCz6YUlzjQzywfem+E/X5mBt61wUXq12l6X6sYB+kz1z7vEQ7a9mDYxaaRHyWdcAz0D2wHlXzfEbsa1dGCmiFFAad60IZuvhfqucfSyrPgj2f8mVDJ2THPzYGfGxTK0c9g730rKdaurey/QdxI89lBWt9VLNklJM3Cth885Q= 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=HtWBl8Cz; arc=none smtp.client-ip=209.85.166.180 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="HtWBl8Cz" Received: by mail-il1-f180.google.com with SMTP id e9e14a558f8ab-363ca193a7eso3831345ab.2 for ; Fri, 09 Feb 2024 16:07:24 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707523644; x=1708128444; 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=RZNl1Nye2ncQoYBtuTJZGLa+1bUaHxQW2hW4pvSwI+0=; b=JRtfnj3Oqsb95FaLXpzKHpBOw3fE/BvYJPoixzyQLzcY3adp+vbv0jVUDc+IjW30r+ ZHi8G5cfuxU6bLSQWY16sB9NGaHDNGzei7FeI9Z9I4Qd3EgLdhOzmQ9XT/R1Ne9igTVZ 2GpsVho8Di1hpMd5bW+eSXOmMgoILlsUB3ExFeKqgG9eLuac3uVEx+QGy0zWQVINJt89 WOBhGk23+TN06LEhrb0RzN+fUsY9Q+TrHNLG7AuvKYXIYYElF9z/JI0OPHZW8NMZu05m WRx2K9yUhgzqf8Y3sFJ40Z9qqVO+dCQ87ZjsUrxwA1QEHC9nVNCDM4N04PgcTaIs3F3O Arcw== X-Gm-Message-State: AOJu0YyF0gi47+pAO3K9+xwyCAMc/8cM/2EjIJC0W5kiNW6OGAaVnPzZ j8MWUeNW6K7rxz1aTdpoMvGSX6Bz+inUFr7L9f9cIIdFQLM8anNf X-Google-Smtp-Source: AGHT+IFjWpejum1p1/vdv1BGjtXN7B5mtVZFb0/yATzFOsqKSf6bGLt8FVbkzi7VkX/JMk9PwVL5yg== X-Received: by 2002:a92:b745:0:b0:363:d9eb:c2de with SMTP id c5-20020a92b745000000b00363d9ebc2demr915116ilm.6.1707523644142; Fri, 09 Feb 2024 16:07:24 -0800 (PST) X-Forwarded-Encrypted: i=1; AJvYcCUfkrikHMdzjZpt1BDV82uhnXds79HetY/KS5BbA2g8Q10MbHNtUiMVhwiBdAAqIh55En/wRQE2nTBjHhyauscgehZw4+FgP+lSGTCoX3fXAcQ110T/tRCWCGtjApJLlLM0XddSowx+prC6A8jy8Y99y1lMetwn/+L8g8odVu2zsKA7Eds5VToqiJ1CPOl3DdmFiy4aO1F4rHoqAm/cDzPcV+KPBTMwlv/U1HAYAiJhEE892L8LHhyzvSmij7Aak0sov3vJ8iMIzFiGcBIW Received: from mail.marliere.net ([24.199.118.162]) by smtp.gmail.com with ESMTPSA id b30-20020a63715e000000b005cfbec9f8b4sm2386759pgn.54.2024.02.09.16.07.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 09 Feb 2024 16:07:23 -0800 (PST) From: "Ricardo B. Marliere" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marliere.net; s=2024; t=1707523642; 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=RZNl1Nye2ncQoYBtuTJZGLa+1bUaHxQW2hW4pvSwI+0=; b=HtWBl8CzqrlCIcxNQ3PWSqy+/Hz2YnVuaJ1AEpd3zB7827MKw6DQ41MXb+Xcjnn/2a+el8 4w4WayEjE+I5AuEIKjwnljv3PRPAiWsNGnBXEM/4R+B/I0ul9MmW9PkdeD1HTuVhxYkqrz C0xP1qjyM+SnWR+JFroMjUqnDDFuQtntH6Qx/HcRoCHwq7U6W9vlgh5bT50CPEL6Ecjzz3 c3LmF/tdM+VttOVMSOf1poQ7ADJy1sbChwuWZ2W3xLkEKv/WxfIHvk6OETicluAH7vkgty LT4N5pK6y99VREHyNg5CSaw8N+BNJzxoxBaapAtRqsq8zlNmyV2tHfPs+6Tsbw== Authentication-Results: ORIGINATING; auth=pass smtp.auth=ricardo@marliere.net smtp.mailfrom=ricardo@marliere.net Date: Fri, 09 Feb 2024 21:07:19 -0300 Subject: [PATCH 4/4] powerpc: ibmebus: make ibmebus_bus_type 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: <20240209-bus_cleanup-powerpc2-v1-4-79a56dcaebb1@marliere.net> References: <20240209-bus_cleanup-powerpc2-v1-0-79a56dcaebb1@marliere.net> In-Reply-To: <20240209-bus_cleanup-powerpc2-v1-0-79a56dcaebb1@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=1622; i=ricardo@marliere.net; h=from:subject:message-id; bh=qfzL4dZjlBHFtDwhGgCc6fcqy06lU4Edb3ekIeLug9k=; b=owEBbQKS/ZANAwAKAckLinxjhlimAcsmYgBlxr5QhN6gVJXkQevkdbSE1nkvWBm2oOqJEqMg2 Zyb7GyHtAKJAjMEAAEKAB0WIQQDCo6eQk7jwGVXh+HJC4p8Y4ZYpgUCZca+UAAKCRDJC4p8Y4ZY plKpD/sEnqDg91vGpaoLiboM7638MBJIZ2SOARbckZ2DGmj5329s1yfXSuuBSC+qEJ7nYhPWFY0 +gHWkY2T7cxt3u09NE7CEjIpwN9OggvTja9uT+iHOvrJJZ/IKy3zbNQ1wuQgAHoFVlD8iIDJ6k3 mR2Zz/DZSCPvVOVkWEXsc0Ixn4VOYOkbcznucst/fRpDlj2iL0gtjp4K1jrU79Q4IYqeWArf50h TD80+tr9T8PzVacUf60/NQ1IFVXLWgGK2SAZg/+NTcl0fPmZNbmstWYMejBk1UubcVT6Mk+1uz3 CgxnNR7uHPDLpxXXV8NhvdrbqswBuHQQYdcRcPfmsyyJKD2n5Ez0s7QWqu6bh0ZgVoTxB6Ft+lV hNV+MLWZtK6C+yJvQmuclcewGmh0UXp79iBw27zv9bcmW5LoHmdg1b51+U+rWeByILHqyXtyWy5 hzkhRBwq5wu2dddmmXV1SZDsKOuJzfH0yfS19IxAasxoTlBkJ4Y0hmwyxdbjqWdeg29SgmrxIxT px6msPaISJFtpHr4ZPt4HMRYbTtzUzYkMwE3BV1Agj5/SZ/QfONLSZKtfBOzVdY9V1aOfOUAYDg iMusaepwXHJQmsDkD19+A7VOHIAvbhuui2vDngA66iBfVqR1kMYRtsYTVQiGxwc93s1Cc6/rsKC PxlD2hang6QavZA== 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 ibmebus_bus_type 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/ibmebus.h | 2 +- arch/powerpc/platforms/pseries/ibmebus.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/include/asm/ibmebus.h b/arch/powerpc/include/asm/= ibmebus.h index 6f33253a364a..46fe406f461c 100644 --- a/arch/powerpc/include/asm/ibmebus.h +++ b/arch/powerpc/include/asm/ibmebus.h @@ -48,7 +48,7 @@ =20 struct platform_driver; =20 -extern struct bus_type ibmebus_bus_type; +extern const struct bus_type ibmebus_bus_type; =20 int ibmebus_register_driver(struct platform_driver *drv); void ibmebus_unregister_driver(struct platform_driver *drv); diff --git a/arch/powerpc/platforms/pseries/ibmebus.c b/arch/powerpc/platfo= rms/pseries/ibmebus.c index 998e3aff2457..4bb611afaba4 100644 --- a/arch/powerpc/platforms/pseries/ibmebus.c +++ b/arch/powerpc/platforms/pseries/ibmebus.c @@ -432,7 +432,7 @@ static int ibmebus_bus_modalias(const struct device *de= v, struct kobj_uevent_env return of_device_uevent_modalias(dev, env); } =20 -struct bus_type ibmebus_bus_type =3D { +const struct bus_type ibmebus_bus_type =3D { .name =3D "ibmebus", .uevent =3D ibmebus_bus_modalias, .bus_groups =3D ibmbus_bus_groups, --=20 2.43.0