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Bottomley" , Jinyoung Choi , open list Subject: [PATCH v1 1/1] ufs: mcq: fix incorrectly set queue depth Date: Tue, 14 Feb 2023 09:50:25 -0800 Message-ID: X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nasanex01a.na.qualcomm.com (10.52.223.231) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: 0p7jTAV8lW10qSLCX2xzxsOclg6UpE41 X-Proofpoint-ORIG-GUID: 0p7jTAV8lW10qSLCX2xzxsOclg6UpE41 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.930,Hydra:6.0.562,FMLib:17.11.170.22 definitions=2023-02-14_13,2023-02-14_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 adultscore=0 clxscore=1011 bulkscore=0 impostorscore=0 suspectscore=0 lowpriorityscore=0 spamscore=0 priorityscore=1501 mlxscore=0 phishscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2302140153 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1757830631394935533?= X-GMAIL-MSGID: =?utf-8?q?1757830631394935533?= ufshcd_config_mcq() may change the can_queue value. The current code invokes scsi_add_host() before ufshcd_config_mcq(). So the tags are limited to the old can_queue value. Fix this by invoking scsi_add_host() after ufshcd_config_mcq(). Signed-off-by: Asutosh Das --- drivers/ufs/core/ufshcd.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index 3b3cf78..04e42b2 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -8535,6 +8535,8 @@ static int ufshcd_device_init(struct ufs_hba *hba, bool init_dev_params) use_mcq_mode = false; dev_err(hba->dev, "MCQ mode is disabled, err=%d\n", ret); + } else { + ufshcd_config_mcq(hba); } ret = scsi_add_host(host, hba->dev); if (ret) { @@ -8542,10 +8544,10 @@ static int ufshcd_device_init(struct ufs_hba *hba, bool init_dev_params) return ret; } hba->scsi_host_added = true; - } - /* MCQ may be disabled if ufshcd_alloc_mcq() fails */ - if (is_mcq_supported(hba) && use_mcq_mode) + } else if (is_mcq_supported(hba)) { + /* UFSHCD_QUIRK_REINIT_AFTER_MAX_GEAR_SWITCH is set */ ufshcd_config_mcq(hba); + } } ufshcd_tune_unipro_params(hba);