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Mon, 4 Jan 2021 08:50:08 +0000 (GMT) Received: from localhost.localdomain (unknown [9.145.75.217]) by b06wcsmtp001.portsmouth.uk.ibm.com (Postfix) with ESMTP; Mon, 4 Jan 2021 08:50:08 +0000 (GMT) Subject: Re: [PATCH v2 -next] misc: ocxl: use DEFINE_MUTEX() for mutex lock To: Zheng Yongjun , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org References: <20201224132446.31286-1-zhengyongjun3@huawei.com> From: Frederic Barrat Message-ID: Date: Mon, 4 Jan 2021 09:50:07 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 MIME-Version: 1.0 In-Reply-To: <20201224132446.31286-1-zhengyongjun3@huawei.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.343, 18.0.737 definitions=2021-01-04_04:2020-12-31, 2021-01-04 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 mlxscore=0 mlxlogscore=999 priorityscore=1501 suspectscore=0 impostorscore=0 malwarescore=0 lowpriorityscore=0 spamscore=0 bulkscore=0 clxscore=1011 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101040057 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: gregkh@linuxfoundation.org, ajd@linux.ibm.com, arnd@arndb.de Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On 24/12/2020 14:24, Zheng Yongjun wrote: > mutex lock can be initialized automatically with DEFINE_MUTEX() > rather than explicitly calling mutex_init(). > > Signed-off-by: Zheng Yongjun > --- Thanks! Acked-by: Frederic Barrat > drivers/misc/ocxl/file.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/drivers/misc/ocxl/file.c b/drivers/misc/ocxl/file.c > index 4d1b44de1492..e70525eedaae 100644 > --- a/drivers/misc/ocxl/file.c > +++ b/drivers/misc/ocxl/file.c > @@ -15,7 +15,7 @@ > > static dev_t ocxl_dev; > static struct class *ocxl_class; > -static struct mutex minors_idr_lock; > +static DEFINE_MUTEX(minors_idr_lock); > static struct idr minors_idr; > > static struct ocxl_file_info *find_and_get_file_info(dev_t devno) > @@ -588,7 +588,6 @@ int ocxl_file_init(void) > { > int rc; > > - mutex_init(&minors_idr_lock); > idr_init(&minors_idr); > > rc = alloc_chrdev_region(&ocxl_dev, 0, OCXL_NUM_MINORS, "ocxl"); >