Messages in this thread Patch in this message | | | From | Asutosh Das <> | Subject | [PATCH v1 1/1] scsi: ufs: Keep UFS regulators on when autobkops enabled | Date | Mon, 26 Oct 2020 14:31:10 -0700 |
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From: "Bao D. Nguyen" <nguyenb@codeaurora.org>
When bkops is enabled, the UFS device may do bkops during suspend. With bkops enabled during suspend, keep the regulators in active operation configuration, allowing the device to draw high power to support bkops and avoid over current event.
Signed-off-by: Bao D. Nguyen <nguyenb@codeaurora.org> Signed-off-by: Asutosh Das <asutoshd@codeaurora.org> --- drivers/scsi/ufs/ufshcd.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 47c544d..a94543c 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -8523,7 +8523,9 @@ static int ufshcd_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op) if (ret) goto set_dev_active; - ufshcd_vreg_set_lpm(hba); + /* Device may perform bkops if autobkops is enabled */ + if (!hba->auto_bkops_enabled) + ufshcd_vreg_set_lpm(hba); disable_clks: /* -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project.
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