* RE: [PATCH v1 2/2] scsi: ufs: Select INITIAL ADAPT type for HS Gear4
2020-02-12 5:38 ` [PATCH v1 2/2] scsi: ufs: Select INITIAL ADAPT type for HS Gear4 Can Guo
@ 2020-02-12 12:26 ` Avri Altman
2020-02-12 17:04 ` asutoshd
2020-02-13 0:36 ` Martin K. Petersen
2 siblings, 0 replies; 4+ messages in thread
From: Avri Altman @ 2020-02-12 12:26 UTC (permalink / raw)
To: Can Guo, asutoshd, nguyenb, hongwus, rnayak, linux-scsi,
kernel-team, saravanak, salyzyn
Cc: Andy Gross, Bjorn Andersson, Alim Akhtar, James E.J. Bottomley,
Martin K. Petersen, Greg Kroah-Hartman, Pedro Sousa,
Thomas Gleixner, open list:ARM/QUALCOMM SUPPORT, open list
>
> ADAPT is added specifically for HS Gear4 mode only, select INITIAL ADAPT
> before do power mode change to G4 and select NO ADAPT before switch to
> non-G4 modes.
>
> Signed-off-by: Can Guo <cang@codeaurora.org>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Thanks,
Avri
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH v1 2/2] scsi: ufs: Select INITIAL ADAPT type for HS Gear4
2020-02-12 5:38 ` [PATCH v1 2/2] scsi: ufs: Select INITIAL ADAPT type for HS Gear4 Can Guo
2020-02-12 12:26 ` Avri Altman
@ 2020-02-12 17:04 ` asutoshd
2020-02-13 0:36 ` Martin K. Petersen
2 siblings, 0 replies; 4+ messages in thread
From: asutoshd @ 2020-02-12 17:04 UTC (permalink / raw)
To: Can Guo
Cc: nguyenb, hongwus, rnayak, linux-scsi, kernel-team, saravanak,
salyzyn, Andy Gross, Bjorn Andersson, Alim Akhtar, Avri Altman,
James E.J. Bottomley, Martin K. Petersen, Greg Kroah-Hartman,
Pedro Sousa, Thomas Gleixner, linux-arm-msm, linux-kernel,
linux-scsi-owner
On 2020-02-11 21:38, Can Guo wrote:
> ADAPT is added specifically for HS Gear4 mode only, select INITIAL
> ADAPT
> before do power mode change to G4 and select NO ADAPT before switch to
> non-G4 modes.
>
> Signed-off-by: Can Guo <cang@codeaurora.org>
> ---
Reviewed-by: Asutosh Das <asutoshd@codeaurora.org>
> drivers/scsi/ufs/ufs-qcom.c | 14 ++++++++++++++
> drivers/scsi/ufs/unipro.h | 7 +++++++
> 2 files changed, 21 insertions(+)
>
> diff --git a/drivers/scsi/ufs/ufs-qcom.c b/drivers/scsi/ufs/ufs-qcom.c
> index d593523..6a905bb 100644
> --- a/drivers/scsi/ufs/ufs-qcom.c
> +++ b/drivers/scsi/ufs/ufs-qcom.c
> @@ -942,6 +942,20 @@ static int ufs_qcom_pwr_change_notify(struct
> ufs_hba *hba,
> if (!ufshcd_is_hs_mode(&hba->pwr_info) &&
> ufshcd_is_hs_mode(dev_req_params))
> ufs_qcom_dev_ref_clk_ctrl(host, true);
> +
> + if (host->hw_ver.major >= 0x4) {
> + if (dev_req_params->gear_tx == UFS_HS_G4) {
> + /* INITIAL ADAPT */
> + ufshcd_dme_set(hba,
> + UIC_ARG_MIB(PA_TXHSADAPTTYPE),
> + PA_INITIAL_ADAPT);
> + } else {
> + /* NO ADAPT */
> + ufshcd_dme_set(hba,
> + UIC_ARG_MIB(PA_TXHSADAPTTYPE),
> + PA_NO_ADAPT);
> + }
> + }
> break;
> case POST_CHANGE:
> if (ufs_qcom_cfg_timers(hba, dev_req_params->gear_rx,
> diff --git a/drivers/scsi/ufs/unipro.h b/drivers/scsi/ufs/unipro.h
> index 3dc4d8b..766d551 100644
> --- a/drivers/scsi/ufs/unipro.h
> +++ b/drivers/scsi/ufs/unipro.h
> @@ -146,6 +146,12 @@
> #define PA_SLEEPNOCONFIGTIME 0x15A2
> #define PA_STALLNOCONFIGTIME 0x15A3
> #define PA_SAVECONFIGTIME 0x15A4
> +#define PA_TXHSADAPTTYPE 0x15D4
> +
> +/* Adpat type for PA_TXHSADAPTTYPE attribute */
> +#define PA_REFRESH_ADAPT 0x00
> +#define PA_INITIAL_ADAPT 0x01
> +#define PA_NO_ADAPT 0x03
>
> #define PA_TACTIVATE_TIME_UNIT_US 10
> #define PA_HIBERN8_TIME_UNIT_US 100
> @@ -203,6 +209,7 @@ enum ufs_hs_gear_tag {
> UFS_HS_G1, /* HS Gear 1 (default for reset) */
> UFS_HS_G2, /* HS Gear 2 */
> UFS_HS_G3, /* HS Gear 3 */
> + UFS_HS_G4, /* HS Gear 4 */
> };
>
> enum ufs_unipro_ver {
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [PATCH v1 2/2] scsi: ufs: Select INITIAL ADAPT type for HS Gear4
2020-02-12 5:38 ` [PATCH v1 2/2] scsi: ufs: Select INITIAL ADAPT type for HS Gear4 Can Guo
2020-02-12 12:26 ` Avri Altman
2020-02-12 17:04 ` asutoshd
@ 2020-02-13 0:36 ` Martin K. Petersen
2 siblings, 0 replies; 4+ messages in thread
From: Martin K. Petersen @ 2020-02-13 0:36 UTC (permalink / raw)
To: Can Guo
Cc: asutoshd, nguyenb, hongwus, rnayak, linux-scsi, kernel-team,
saravanak, salyzyn, Andy Gross, Bjorn Andersson, Alim Akhtar,
Avri Altman, James E.J. Bottomley, Martin K. Petersen,
Greg Kroah-Hartman, Pedro Sousa, Thomas Gleixner,
open list:ARM/QUALCOMM SUPPORT, open list
Can,
> ADAPT is added specifically for HS Gear4 mode only, select INITIAL
> ADAPT before do power mode change to G4 and select NO ADAPT before
> switch to non-G4 modes.
Applied to 5.7/scsi-queue, thanks!
--
Martin K. Petersen Oracle Linux Engineering
^ permalink raw reply [flat|nested] 4+ messages in thread