Re: [PATCH v1 2/2] ufs: qcom: Enable aggressive power collapse for ufs hba

Can Guo
2020-10-27T02:06:12Z

On 2020-10-27 07:30, Asutosh Das wrote:
> Enabling this capability to let hba power-collapse
> more often to save power.
>
> Signed-off-by: Asutosh Das <asutoshd@codeaurora.org>

Reviewed-by: Can Guo <cang@codeaurora.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 f9d6ef3..9a19c6d 100644
> --- a/drivers/scsi/ufs/ufs-qcom.c
> +++ b/drivers/scsi/ufs/ufs-qcom.c
> @@ -863,6 +863,7 @@ static void ufs_qcom_set_caps(struct ufs_hba *hba)
> hba->caps |= UFSHCD_CAP_AUTO_BKOPS_SUSPEND;
> hba->caps |= UFSHCD_CAP_WB_EN;
> hba->caps |= UFSHCD_CAP_CRYPTO;
> + hba->caps |= UFSHCD_CAP_AGGR_POWER_COLLAPSE;
>
> if (host->hw_ver.major >= 0x2) {
> host->caps = UFS_QCOM_CAP_QUNIPRO |