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From:   Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
To:     martin.petersen@oracle.com, jejb@linux.ibm.com
Cc:     avri.altman@wdc.com, alim.akhtar@samsung.com,
        bjorn.andersson@linaro.org, linux-arm-msm@vger.kernel.org,
        quic_asutoshd@quicinc.com, quic_cang@quicinc.com,
        linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org,
        bvanassche@acm.org, ahalaney@redhat.com,
        Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Subject: [PATCH v2 5/5] scsi: ufs: qcom: Enable RPM_AUTOSUSPEND for runtime PM
Date:   Sat, 23 Apr 2022 19:32:45 +0530
Message-Id: <20220423140245.394092-6-manivannan.sadhasivam@linaro.org>
In-Reply-To: <20220423140245.394092-1-manivannan.sadhasivam@linaro.org>
References: <20220423140245.394092-1-manivannan.sadhasivam@linaro.org>
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In order to allow the block devices to enter autosuspend mode during
runtime, thereby allowing the ufshcd host driver to also runtime suspend,
let's make use of the RPM_AUTOSUSPEND flag.

Without this flag, userspace needs to enable the autosuspend feature of
the block devices through sysfs.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
---
 drivers/scsi/ufs/ufs-qcom.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/scsi/ufs/ufs-qcom.c b/drivers/scsi/ufs/ufs-qcom.c
index f47a16b7cff5..34c5970db445 100644
--- a/drivers/scsi/ufs/ufs-qcom.c
+++ b/drivers/scsi/ufs/ufs-qcom.c
@@ -876,6 +876,7 @@ static void ufs_qcom_set_caps(struct ufs_hba *hba)
 	hba->caps |= UFSHCD_CAP_WB_EN;
 	hba->caps |= UFSHCD_CAP_CRYPTO;
 	hba->caps |= UFSHCD_CAP_AGGR_POWER_COLLAPSE;
+	hba->caps |= UFSHCD_CAP_RPM_AUTOSUSPEND;
 
 	if (host->hw_ver.major >= 0x2) {
 		host->caps = UFS_QCOM_CAP_QUNIPRO |
-- 
2.25.1