| Message ID | 20220423140245.394092-6-manivannan.sadhasivam@linaro.org (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | Qcom UFS driver updates | expand |
On Sat 23 Apr 07:02 PDT 2022, Manivannan Sadhasivam wrote: > 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> Reviewed-by: Bjorn Andersson <bjorn.andersson@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 >
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 |
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(+)