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Mon, 22 Feb 2021 17:15:35 +0900 (KST) Mime-Version: 1.0 Subject: RE: RE: [PATCH v21 2/4] scsi: ufs: L2P map management for HPB read Reply-To: daejun7.park@samsung.com Sender: Daejun Park From: Daejun Park To: Avri Altman , Daejun Park , Greg KH , "jejb@linux.ibm.com" , "martin.petersen@oracle.com" , "asutoshd@codeaurora.org" , "stanley.chu@mediatek.com" , "cang@codeaurora.org" , "bvanassche@acm.org" , "huobean@gmail.com" , ALIM AKHTAR CC: "linux-scsi@vger.kernel.org" , "linux-kernel@vger.kernel.org" , JinHwan Park , Javier Gonzalez , SEUNGUK SHIN , Sung-Jun Park , yongmyung lee , Jinyoung CHOI , BoRam Shin X-Priority: 3 X-Content-Kind-Code: NORMAL In-Reply-To: X-CPGS-Detection: blocking_info_exchange X-Drm-Type: N,general X-Msg-Generator: Mail X-Msg-Type: PERSONAL X-Reply-Demand: N Message-ID: <20210222081535epcms2p4429fd082538eb12ee0e763e62d5725a4@epcms2p4> Date: Mon, 22 Feb 2021 17:15:35 +0900 X-CMS-MailID: 20210222081535epcms2p4429fd082538eb12ee0e763e62d5725a4 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="utf-8" X-Sendblock-Type: AUTO_CONFIDENTIAL X-CPGSPASS: Y X-CPGSPASS: Y CMS-TYPE: 102P X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrMJsWRmVeSWpSXmKPExsWy7bCmma56hnGCwesPshYP5m1js9jbdoLd 4uXPq2wWh2+/Y7eY9uEns8Wn9ctYLV4e0rRY9SDconnxejaLOWcbmCx6+7eyWTy+85ndYtGN bUwW/f/aWSwu75rDZtF9fQebxfLj/5gsbm/hsli69SajRef0NSwWixbuZnEQ9bh8xdvjcl8v k8fOWXfZPSYsOsDosX/uGnaPlpP7WTw+Pr3F4tG3ZRWjx+dNch7tB7qZAriicmwyUhNTUosU UvOS81My89JtlbyD453jTc0MDHUNLS3MlRTyEnNTbZVcfAJ03TJzgD5UUihLzCkFCgUkFhcr 6dvZFOWXlqQqZOQXl9gqpRak5BQYGhboFSfmFpfmpesl5+daGRoYGJkCVSbkZLxb8oOtYA1r xeOVHxkbGE8zdzFyckgImEjsb5kPZHNxCAnsYJT4dO4jkMPBwSsgKPF3hzBIjbCAt8SKbfvZ QWwhASWJ9RdnsUPE9SRuPVzDCGKzCehITD9xnx1kjojAb2aJi2+nsYI4zAJLmSVWP22A2sYr MaP9KQuELS2xfflWsG5OgViJb3OOsEPENSR+LOuFqheVuLn6LTuM/f7YfEYIW0Si9d5ZqBpB iQc/d0PFJSWO7f7ABGHXS2y984sR5AgJgR5GicM7b7FCJPQlrnVsZIH40ldi4tFskDCLgKrE 4TN9ULtcJF6eXA02n1lAXmL72zngQGEW0JRYv0sfxJQQUJY4cosF5quGjb/Z0dnMAnwSHYf/ wsV3zHsCdZmaxLqf65kmMCrPQoT0LCS7ZiHsWsDIvIpRLLWgODc9tdiowBA5cjcxglO7lusO xslvP+gdYmTiYDzEKMHBrCTCy3bXKEGINyWxsiq1KD++qDQntfgQoynQlxOZpUST84HZJa8k 3tDUyMzMwNLUwtTMyEJJnLfY4EG8kEB6YklqdmpqQWoRTB8TB6dUA9NZaQdBc5HvNil7gqYw J63iupvwwauqeVI+v/AcFrXLayqDC7kD6tQ0d/I9+jSVidHEsID14gUrV+fm/QlfnlsLl/y4 sKmqVMXggSH/IpHH2nNLtopytybJsH8Jk3ubuqZijojF9P8Fn4Q+1U3eK5fhGxN6b9P0pV1N YlP/yyQcUOqulhH2Cp39c57gLYdSlbfvr1xq5p/6wzTbhu1SddSZlKncnR1KzYfkH5bFZe5h KL2x/a7gncx9199enly6eOM102d/k1/Yu54tfChv2c5zqKL0H/f83qMa0xbKzZgVf8W8dono AZdLf3T+brD4c10n8+xD2/+h6mJt/5TK5CQ92o0XT2CTFJibdmVejBJLcUaioRZzUXEiALMV Z+d2BAAA DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20210218090627epcms2p639c216ccebed773120121b1d53641d94 References: <20210218090627epcms2p639c216ccebed773120121b1d53641d94@epcms2p6> <20210218090747epcms2p8812c04126d57b789f471126055577ae8@epcms2p8> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > +void ufshpb_rsp_upiu(struct ufs_hba *hba, struct ufshcd_lrb *lrbp) > > +{ > > + struct ufshpb_lu *hpb = ufshpb_get_hpb_data(lrbp->cmd->device); > > + struct utp_hpb_rsp *rsp_field; > > + int data_seg_len; > > + > > + if (!hpb) > > + return; > > + > > + if (ufshpb_get_state(hpb) != HPB_PRESENT) { > > + dev_notice(&hpb->sdev_ufs_lu->sdev_dev, > > + "%s: ufshpb state is not PRESENT\n", __func__); > > + return; > > + } > Theoretically, SSU response upiu may carry hpb sense data, isn't it? > I fixed code to add HPB hint with suspend state. Thanks, Daejun