From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from outbound.pv.icloud.com (p-west1-cluster1-host12-snip4-4.eps.apple.com [57.103.64.17]) (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 CD08B27A44A for ; Tue, 1 Jul 2025 15:25:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=57.103.64.17 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751383541; cv=none; b=P1FRuaTWC9sxq1hWpXY7mB/GLAkeM58CsZdxF5eeEBo71rXDL1SPwEQoegTD+EsMzK7U/yn1ZwwvSSLFH+tKv06IFSdtUc2pJhWLBDgRhbzDQlzBgi2lt7P8Hnsnl550SnRKuTY0Q8F9JSdCexJlSy0YAGwac3PrHMXErVfpzfo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751383541; c=relaxed/simple; bh=/xiHoEfuz6/cTN5j+brnwCFPrNkucrnRkZA7gLvrw18=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=qmTWCNO3gsEEcZE4TXFjuQ2buY4dhA2dGaB5X9B/r/MNvygcZp9qWRlZ+KVVlsVyOpBpoaC3FSTuc+ILg6dBf3o2c9G7WJmIXRzIswHRm8xNZ3zaVqVFmWij2uCAERQY/6j1t5WuA8YaoLTlXdEA7ksU+BANzNbqeOwMR/L7iJE= 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=e0VpmjOK; arc=none smtp.client-ip=57.103.64.17 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="e0VpmjOK" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=icloud.com; s=1a1hai; bh=3+n81dwkBafL//lMPlx4ETy4nA09EkZFH9IrMca4OF8=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:x-icloud-hme; b=e0VpmjOKWR/TtEwXMHglg+hPYtMAtkte96QbOmQI7JhVo0wEHenyk1SpZjEg5Vvs0 VVdyrjCvjvLFDHaQdsHdUrsDYJEBH/Yp8uFUVK/fhZL0z8srsTnfkbXpReP3EsPDK+ WQKSAdntCSlUBP90IUPpJi4NMEf5A8h17DiVmj4t3NnEzBwogHAH8J2itNh5y8EzTY 9GLQYJJpgchEVmliGVkbA9SMaJgBbVOB9tBpvaJLGfydhe63kPXAbCQzISWDi2pA1k T2q8w/jM0SQVsx0gOVvW0ZijwSOdd6eXUb0SYxQMc5q5UPjmvO7/K7QSm5NIwd9mue wYiW1zGjIuCJg== Received: from outbound.pv.icloud.com (unknown [127.0.0.2]) by outbound.pv.icloud.com (Postfix) with ESMTPS id B4A001800310; Tue, 1 Jul 2025 15:25:32 +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 E3D9D180017B; Tue, 1 Jul 2025 15:25:17 +0000 (UTC) From: Zijun Hu Subject: [PATCH v2 0/9] char: misc: Various cleanup for miscdevice Date: Tue, 01 Jul 2025 23:24:38 +0800 Message-Id: <20250701-rfc_miscdev-v2-0-3eb22bf533be@oss.qualcomm.com> Precedence: bulk X-Mailing-List: sparclinux@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=H4sIALf9Y2gC/1XMQQrCMBCF4auUWZsySYgFV95DRMLMxAZMo4kGo fTuBjfi5sG3eP8KVUqUCodhhSIt1piXDrMbgGa/XEVF7gaDxuGEWpVAlxQrsTRlHbO1GmkihP6 4Fwnx/a2dzt2h5KSecxH/a+wN/jWaVloF9saxQ+PtdMy1jo+Xv1FOaewD2/YBPLFDtacAAAA= X-Change-ID: 20250701-rfc_miscdev-35dd3310c7c0 To: Arnd Bergmann , Greg Kroah-Hartman , Jean Delvare , Guenter Roeck , Rudolf Marek , Wim Van Sebroeck , "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-hwmon@vger.kernel.org, linux-watchdog@vger.kernel.org, linux-parisc@vger.kernel.org, sparclinux@vger.kernel.org, Zijun Hu X-Mailer: b4 0.14.2 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNzAxMDEwMyBTYWx0ZWRfXw3vmlR/rz6EC J7f+eSwcTCRJ3b44G6xnwHtcacUqVQgzWrLye/CE8vICli6tMq7httcE9yAVb2kmevlk56H2WOu p3MrzrhJFQmQSSgBqutCO+8DMSPF9+WpWOP4FJgbtJwuDAzxcVKiiAibP5GUOF+B0L0fm2kJzlr mnLOX1p1hPNYIIXUpiv1PbdH9p/KC+YROHpwiEhR5aIP3YcExOV9y54etMetqguF7DaYGGxsbcp Ii3eIEuONZX+NaOIvaLood8HIbPUH8dEhlTL3ScS4XPhd3PIE3keDc+NjpmjgMY6Z9Q0QHLxI= X-Proofpoint-GUID: TAZS-eDz8OnWu2xISqFutSn1uKq1H9Li X-Proofpoint-ORIG-GUID: TAZS-eDz8OnWu2xISqFutSn1uKq1H9Li 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=2025-07-01_02,2025-06-27_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxscore=0 spamscore=0 suspectscore=0 malwarescore=0 bulkscore=0 adultscore=0 phishscore=0 clxscore=1011 mlxlogscore=973 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.22.0-2506060001 definitions=main-2507010103 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 --- Zijun Hu (9): 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 for dynamic minor request char: misc: Make registering dynamic device reentry char: misc: Does not request module for miscdevice with dynamic minor char: misc: Allocate 4 more fixed minors for watchdog char: misc: Define fixed minor EISA_EEPROM_MINOR in linux/miscdevice.h sparc: kernel: apc: Remove macro APC_MINOR defination arch/sparc/kernel/apc.c | 3 +- drivers/char/Makefile | 1 + drivers/char/misc.c | 16 +++++- drivers/{misc => char}/misc_minor_kunit.c | 95 +++++++++++++++++++++---------- drivers/hwmon/fschmd.c | 3 +- drivers/hwmon/w83793.c | 3 +- drivers/misc/Makefile | 1 - drivers/parisc/eisa_eeprom.c | 2 - drivers/watchdog/cpwd.c | 6 +- include/linux/miscdevice.h | 13 +++++ 10 files changed, 100 insertions(+), 43 deletions(-) --- base-commit: 626e89412dfb88766d90d842af4d9ec432d8526f change-id: 20250701-rfc_miscdev-35dd3310c7c0 Best regards, -- Zijun Hu