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Tue, 25 Jul 2023 19:27:21 +0000 Received: from pps.filterd (APBLRPPMTA01.qualcomm.com [127.0.0.1]) by APBLRPPMTA01.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTP id 36PJRI4Z032690; Tue, 25 Jul 2023 19:27:18 GMT Received: from pps.reinject (localhost [127.0.0.1]) by APBLRPPMTA01.qualcomm.com (PPS) with ESMTPS id 3s086kx1yf-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Tue, 25 Jul 2023 19:27:18 +0000 Received: from APBLRPPMTA01.qualcomm.com (APBLRPPMTA01.qualcomm.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 36PJRHQV032683; Tue, 25 Jul 2023 19:27:17 GMT Received: from hu-maiyas-hyd.qualcomm.com (hu-nitirawa-hyd.qualcomm.com [10.213.109.152]) by APBLRPPMTA01.qualcomm.com (PPS) with ESMTP id 36PJRHCq032678; Tue, 25 Jul 2023 19:27:17 +0000 Received: by hu-maiyas-hyd.qualcomm.com (Postfix, from userid 2342877) id EF4E45001B7; Wed, 26 Jul 2023 00:57:16 +0530 (+0530) From: Nitin Rawat To: powen.kao@mediatek.com, bvanassche@acm.org, alim.akhtar@samsung.com, adrian.hunter@intel.com, jejb@linux.ibm.com, stanley.chu@mediatek.com, asutoshd@codeaurora.org, quic_cang@quicinc.com, mani@kernel.org, martin.petersen@oracle.com, beanhuo@micron.com, ebiggers@google.com, agross@kernel.org, Arthur.Simchaev@wdc.com, konrad.dybcio@linaro.org Cc: quic_ziqichen@quicinc.com, quic_nguyenb@quicinc.com, quic_narepall@quicinc.com, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, Nitin Rawat , Manish Pandey Subject: [PATCH V1 2/2] scsi: ufs: ufs-qcom: check host controller state Date: Wed, 26 Jul 2023 00:57:10 +0530 Message-Id: <20230725192710.26698-3-quic_nitirawa@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230725192710.26698-1-quic_nitirawa@quicinc.com> References: <20230725192710.26698-1-quic_nitirawa@quicinc.com> X-QCInternal: smtphost X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: uBXE_Fa1OxtnatsY-akVNZr_I3VkUYe6 X-Proofpoint-GUID: uBXE_Fa1OxtnatsY-akVNZr_I3VkUYe6 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-25_10,2023-07-25_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 suspectscore=0 priorityscore=1501 mlxlogscore=999 lowpriorityscore=0 impostorscore=0 mlxscore=0 spamscore=0 adultscore=0 phishscore=0 malwarescore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2306200000 definitions=main-2307250167 X-Spam-Status: No, score=-1.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE, URIBL_BLOCKED autolearn=no 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 Check host controller state before sending hibern8 command. Signed-off-by: Manish Pandey Signed-off-by: Nitin Rawat --- drivers/ufs/host/ufs-qcom.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c index 8d6fd4c3324f..95412e98a598 100644 --- a/drivers/ufs/host/ufs-qcom.c +++ b/drivers/ufs/host/ufs-qcom.c @@ -1254,6 +1254,10 @@ static int ufs_qcom_clk_scale_notify(struct ufs_hba *hba, struct ufs_pa_layer_attr *dev_req_params = &host->dev_req_params; int err = 0; + /* check the host controller state before sending hibern8 cmd */ + if (!ufshcd_is_hba_active(hba)) + return 0; + if (status == PRE_CHANGE) { err = ufshcd_uic_hibern8_enter(hba); if (err) -- 2.17.1