From patchwork Fri Mar 19 00:35:54 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Asutosh Das (asd)" X-Patchwork-Id: 12149489 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1469AC433E9 for ; Fri, 19 Mar 2021 00:37:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D75F264F1F for ; Fri, 19 Mar 2021 00:37:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231512AbhCSAgp (ORCPT ); Thu, 18 Mar 2021 20:36:45 -0400 Received: from labrats.qualcomm.com ([199.106.110.90]:4243 "EHLO labrats.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231576AbhCSAg3 (ORCPT ); Thu, 18 Mar 2021 20:36:29 -0400 IronPort-SDR: mM8dWjpV5Magko4TaYirfjKuz7tYcSuevq3afBa1CYQ3sUrscw/dsmzp1gROalIxGxaE2b7oc4 8kq62p4U1uZNeG/UwYT15bSONwQmWgD/961bCZLo8bvEc3uToP7i7/+rhs9YA39BqJ+LuoZwOu moze/dQVoE/4bxllldfABa1kC6V+IrMxUFyZnDXvCXir8IgR35Uw0UkKDxeuE5Ty9SMmyS2Edh eGt0ArYaBJb6tUuGCaDZa2nO37adibnTTbkRJe54YxIabkxQC5kkNXOjvBjbEQaEeATyKFdnvk n3Q= X-IronPort-AV: E=Sophos;i="5.81,259,1610438400"; d="scan'208";a="47829473" Received: from unknown (HELO ironmsg05-sd.qualcomm.com) ([10.53.140.145]) by labrats.qualcomm.com with ESMTP; 18 Mar 2021 17:36:30 -0700 X-QCInternal: smtphost Received: from stor-presley.qualcomm.com ([192.168.140.85]) by ironmsg05-sd.qualcomm.com with ESMTP; 18 Mar 2021 17:36:29 -0700 Received: by stor-presley.qualcomm.com (Postfix, from userid 92687) id 2D39E20F87; Thu, 18 Mar 2021 17:36:29 -0700 (PDT) From: Asutosh Das To: cang@codeaurora.org, martin.petersen@oracle.com, adrian.hunter@intel.com, linux-scsi@vger.kernel.org Cc: Asutosh Das , linux-arm-msm@vger.kernel.org, Alim Akhtar , Avri Altman , "James E.J. Bottomley" , Stanley Chu , Bean Huo , Jaegeuk Kim , Nitin Rawat , linux-kernel@vger.kernel.org (open list) Subject: [PATCH v12 2/2] ufs: sysfs: Resume the proper scsi device Date: Thu, 18 Mar 2021 17:35:54 -0700 Message-Id: <459395e590af6d76420cd004b38ce38b9fc0c502.1616113283.git.asutoshd@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: References: In-Reply-To: References: Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Resumes the actual scsi device the unit descriptor of which is being accessed instead of the hba alone. Reviewed-by: Can Guo Signed-off-by: Asutosh Das --- drivers/scsi/ufs/ufs-sysfs.c | 30 +++++++++++++++++------------- 1 file changed, 17 insertions(+), 13 deletions(-) diff --git a/drivers/scsi/ufs/ufs-sysfs.c b/drivers/scsi/ufs/ufs-sysfs.c index acc54f5..3fc182b 100644 --- a/drivers/scsi/ufs/ufs-sysfs.c +++ b/drivers/scsi/ufs/ufs-sysfs.c @@ -245,9 +245,9 @@ static ssize_t wb_on_store(struct device *dev, struct device_attribute *attr, goto out; } - pm_runtime_get_sync(hba->dev); + scsi_autopm_get_device(hba->sdev_ufs_device); res = ufshcd_wb_ctrl(hba, wb_enable); - pm_runtime_put_sync(hba->dev); + scsi_autopm_put_device(hba->sdev_ufs_device); out: up(&hba->host_sem); return res < 0 ? res : count; @@ -297,10 +297,10 @@ static ssize_t ufs_sysfs_read_desc_param(struct ufs_hba *hba, goto out; } - pm_runtime_get_sync(hba->dev); + scsi_autopm_get_device(hba->sdev_ufs_device); ret = ufshcd_read_desc_param(hba, desc_id, desc_index, param_offset, desc_buf, param_size); - pm_runtime_put_sync(hba->dev); + scsi_autopm_put_device(hba->sdev_ufs_device); if (ret) { ret = -EINVAL; goto out; @@ -678,7 +678,7 @@ static ssize_t _name##_show(struct device *dev, \ up(&hba->host_sem); \ return -ENOMEM; \ } \ - pm_runtime_get_sync(hba->dev); \ + scsi_autopm_get_device(hba->sdev_ufs_device); \ ret = ufshcd_query_descriptor_retry(hba, \ UPIU_QUERY_OPCODE_READ_DESC, QUERY_DESC_IDN_DEVICE, \ 0, 0, desc_buf, &desc_len); \ @@ -695,7 +695,7 @@ static ssize_t _name##_show(struct device *dev, \ goto out; \ ret = sysfs_emit(buf, "%s\n", desc_buf); \ out: \ - pm_runtime_put_sync(hba->dev); \ + scsi_autopm_put_device(hba->sdev_ufs_device); \ kfree(desc_buf); \ up(&hba->host_sem); \ return ret; \ @@ -744,10 +744,10 @@ static ssize_t _name##_show(struct device *dev, \ } \ if (ufshcd_is_wb_flags(QUERY_FLAG_IDN##_uname)) \ index = ufshcd_wb_get_query_index(hba); \ - pm_runtime_get_sync(hba->dev); \ + scsi_autopm_get_device(hba->sdev_ufs_device); \ ret = ufshcd_query_flag(hba, UPIU_QUERY_OPCODE_READ_FLAG, \ QUERY_FLAG_IDN##_uname, index, &flag); \ - pm_runtime_put_sync(hba->dev); \ + scsi_autopm_put_device(hba->sdev_ufs_device); \ if (ret) { \ ret = -EINVAL; \ goto out; \ @@ -813,10 +813,10 @@ static ssize_t _name##_show(struct device *dev, \ } \ if (ufshcd_is_wb_attrs(QUERY_ATTR_IDN##_uname)) \ index = ufshcd_wb_get_query_index(hba); \ - pm_runtime_get_sync(hba->dev); \ + scsi_autopm_get_device(hba->sdev_ufs_device); \ ret = ufshcd_query_attr(hba, UPIU_QUERY_OPCODE_READ_ATTR, \ QUERY_ATTR_IDN##_uname, index, 0, &value); \ - pm_runtime_put_sync(hba->dev); \ + scsi_autopm_put_device(hba->sdev_ufs_device); \ if (ret) { \ ret = -EINVAL; \ goto out; \ @@ -899,11 +899,15 @@ static ssize_t _pname##_show(struct device *dev, \ struct scsi_device *sdev = to_scsi_device(dev); \ struct ufs_hba *hba = shost_priv(sdev->host); \ u8 lun = ufshcd_scsi_to_upiu_lun(sdev->lun); \ + int ret; \ if (!ufs_is_valid_unit_desc_lun(&hba->dev_info, lun, \ _duname##_DESC_PARAM##_puname)) \ return -EINVAL; \ - return ufs_sysfs_read_desc_param(hba, QUERY_DESC_IDN_##_duname, \ + scsi_autopm_get_device(sdev); \ + ret = ufs_sysfs_read_desc_param(hba, QUERY_DESC_IDN_##_duname, \ lun, _duname##_DESC_PARAM##_puname, buf, _size); \ + scsi_autopm_put_device(sdev); \ + return ret; \ } \ static DEVICE_ATTR_RO(_pname) @@ -964,10 +968,10 @@ static ssize_t dyn_cap_needed_attribute_show(struct device *dev, goto out; } - pm_runtime_get_sync(hba->dev); + scsi_autopm_get_device(hba->sdev_ufs_device); ret = ufshcd_query_attr(hba, UPIU_QUERY_OPCODE_READ_ATTR, QUERY_ATTR_IDN_DYN_CAP_NEEDED, lun, 0, &value); - pm_runtime_put_sync(hba->dev); + scsi_autopm_put_device(hba->sdev_ufs_device); if (ret) { ret = -EINVAL; goto out;