From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from outbound.pv.icloud.com (p-west1-cluster1-host10-snip4-5.eps.apple.com [57.103.64.98]) (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 070B2275AEF for ; Wed, 2 Jul 2025 12:16:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=57.103.64.98 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751458575; cv=none; b=DGo603JjV/3Uq9dttwbFLnZ4meObz7QDcxwjZHPCo9ticsCBv1P7/mwNw89yd8L/3DR1UkDSLlR6lZTykGcDgV7+8cVtletJ3//Yx4PGZVxtIKE8xuFO1JFRAVe99Lpy6V/iDA06CqO7rOqG+nNK5Zzrvx32QeEtJU8yyQRFQUA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751458575; c=relaxed/simple; bh=qrKJY2wYU/yhK5QTAhlH8URv2UJSsEuIBA9BpxeI22k=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=kjvxxmw9x1YbtzqPlQ7wd6bxgRff8SL+MUZay6akWLpVIrJqaQXi5bNMx1aGRLRU3SNkPNzQzH8+gRrffOBWzkYDXuqUZTQlYAyrqL7N0rk2CaDC7/A1/AAIE7DzzhPSKdVVpXOO8JvtFCgXHRXwdRPYzXFuG5joZ2uB0/r6TEE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=icloud.com; spf=pass smtp.mailfrom=icloud.com; dkim=pass (2048-bit key) header.d=icloud.com header.i=@icloud.com header.b=i/9d4Nvs; arc=none smtp.client-ip=57.103.64.98 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=icloud.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=icloud.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=icloud.com header.i=@icloud.com header.b="i/9d4Nvs" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=icloud.com; s=1a1hai; bh=VRwlDT/BH79/yE2YqJN90DXNi0Yb5SBnT/B8S1o4f7Y=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:x-icloud-hme; b=i/9d4NvsTEjZK8NfbslyPdfyYvxci8D/QGWDvc22xuko+iqIXA8THbd2EImWskLCF tDOKtS27w/U+k1O6ddiJbggj2d4dTc4N5NP5e0GAkTW7DKABDhXbjzfaEk6sda6FzX cZQiILqjJUC0W1yC2yDXU1mer8FRWVQ7t3Y1/e4xIXHVdJeSjnJpoVfOoVsXDHDXLo jnyTJsnZBFwqRH/o54BZAIZYYEVQ6OtPI7ldwCrkammtt4GfzLe3zJviN8yAkzw3vo 6mpKapEQgxC2TGserNKvnroel7O5YqpYb27NFiwjmnWq9wPCoEZ4lFZCPRKh38DwJ2 ve7eVvvL+RfOg== Received: from outbound.pv.icloud.com (unknown [127.0.0.2]) by outbound.pv.icloud.com (Postfix) with ESMTPS id 6D5A3180032B; Wed, 2 Jul 2025 12:16:08 +0000 (UTC) Received: from [192.168.1.26] (pv-asmtp-me-k8s.p00.prod.me.com [17.56.9.36]) by outbound.pv.icloud.com (Postfix) with ESMTPSA id 698901800283; Wed, 2 Jul 2025 12:16:05 +0000 (UTC) From: Zijun Hu Subject: [PATCH v3 0/8] char: misc: Various cleanup for miscdevice Date: Wed, 02 Jul 2025 20:15:28 +0800 Message-Id: <20250702-rfc_miscdev-v3-0-d8925de7893d@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-parisc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAOAiZWgC/23OQQrCMBCF4auUrJ2STogFV95DiqTJxAZMo0kNS undTbsR0c3Av5iPN7NE0VFih2pmkbJLLowlxK5ielDjhcCZ0gw5St7yBqLVZ++SNpRBSGOEaLh uNWfl4xbJuuemnbrSNgYP0xBJfYw98i8jN9CANQqlkRyVaI8hpfr+UFcdvK/LWeXBpSnE1zYz4 +r/X5QROAjqEXsrhejpV+uWZXkDfSiisPcAAAA= X-Change-ID: 20250701-rfc_miscdev-35dd3310c7c0 To: Arnd Bergmann , Greg Kroah-Hartman , "James E.J. Bottomley" , Helge Deller , "David S. Miller" , Andreas Larsson Cc: Thadeu Lima de Souza Cascardo , Zijun Hu , linux-kernel@vger.kernel.org, linux-parisc@vger.kernel.org, sparclinux@vger.kernel.org, Zijun Hu X-Mailer: b4 0.14.2 X-Proofpoint-GUID: IZdpUBihHIUJ4H975Clqze2p8xOWzqIS X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNzAyMDA5OSBTYWx0ZWRfX0KKTaG5l8+0e AErf9Au7AjAN/RotbYpPiZxHcEppyP6t8dg0KU9dSa/tqijTKwdHjkDQrbyUt/DjHqQ0Oh23c67 F4PY4/LPppw/f6+HJHE4grjqsRvqvyNGIEjKRhO6KCMXtstE6eOIagO7BDHd/KUJeavAARLMlk2 N5wZgwHNgr1KPXGZCKSkx2FMcOMoCZOZ0yEntWhVlgKNrBtnST4DPaUwosgofkRSmilhrYyNd57 7WyVisdz9QuXUWDpdrA+Tb8JxNLSDJnhR+PAaZostkaLYBG2emD43wTrXZv3TdTOALBlHxGEQ= X-Proofpoint-ORIG-GUID: IZdpUBihHIUJ4H975Clqze2p8xOWzqIS X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.7,FMLib:17.12.80.40 definitions=2025-07-02_01,2025-06-27_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 malwarescore=0 adultscore=0 mlxscore=0 mlxlogscore=990 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.22.0-2506060001 definitions=main-2507020099 This patch series is to do cleanup for: - Miscdevice APIs - Miscdevice kunit test cases - Drivers which use miscdevice APIs Signed-off-by: Zijun Hu --- Previous discussion link: https://lore.kernel.org/all/20250620-rfc_miscdev-v1-1-fda25d502a37@oss.qualcomm.com --- Changes in v3: - Drop the change which allocates 4 fixed minors for watchdog - Correct tile and commit message - Link to v2: https://lore.kernel.org/r/20250701-rfc_miscdev-v2-0-3eb22bf533be@oss.qualcomm.com --- Zijun Hu (8): char: misc: Move drivers/misc/misc_minor_kunit.c to drivers/char/ char: misc: Adapt and add test cases for simple minor space division char: misc: Disallow registering miscdevice whose minor > MISC_DYNAMIC_MINOR char: misc: Add a reentry test case about dynamic minor request char: misc: Make registering miscdevice reentry who wants dynamic minor char: misc: Does not request module for miscdevice with dynamic minor char: misc: Register fixed minor EISA_EEPROM_MINOR in linux/miscdevice.h sparc: kernel: apc: Remove macro APC_MINOR definition arch/sparc/kernel/apc.c | 3 +- drivers/char/Makefile | 1 + drivers/char/misc.c | 16 +++++- drivers/{misc => char}/misc_minor_kunit.c | 95 +++++++++++++++++++++---------- drivers/misc/Makefile | 1 - drivers/parisc/eisa_eeprom.c | 2 - include/linux/miscdevice.h | 9 +++ 7 files changed, 89 insertions(+), 38 deletions(-) --- base-commit: 626e89412dfb88766d90d842af4d9ec432d8526f change-id: 20250701-rfc_miscdev-35dd3310c7c0 Best regards, -- Zijun Hu