linux-kernel - [PATCH v2 0/7] Enable HS-G5 support on SM8550

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Message-Id: <1699332374-9324-1-git-send-email-cang@qti.qualcomm.com>
Date:   Mon,  6 Nov 2023 20:46:06 -0800
From:   Can Guo <cang@....qualcomm.com>
To:     quic_cang@...cinc.com, bvanassche@....org, mani@...nel.org,
        stanley.chu@...iatek.com, adrian.hunter@...el.com,
        beanhuo@...ron.com, avri.altman@....com, junwoo80.lee@...sung.com,
        martin.petersen@...cle.com
Cc:     linux-scsi@...r.kernel.org, Can Guo <cang@....qualcomm.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        linux-kernel@...r.kernel.org (open list:ARM/Mediatek SoC support),
        linux-arm-kernel@...ts.infradead.org (moderated list:ARM/Mediatek SoC
        support),
        linux-mediatek@...ts.infradead.org (moderated list:ARM/Mediatek SoC
        support)
Subject: [PATCH v2 0/7] Enable HS-G5 support on SM8550

This series enables HS-G5 support on SM8550.

This series is rebased on below changes from Mani -
https://patchwork.kernel.org/project/linux-scsi/patch/20230908145329.154024-1-manivannan.sadhasivam@linaro.org/
https://patchwork.kernel.org/project/linux-scsi/patch/20230908145329.154024-2-manivannan.sadhasivam@linaro.org/

This series is tested on below HW combinations -
SM8550 MTP + UFS4.0
SM8550 QRD + UFS3.1
SM8450 MTP + UFS3.1 (for regression test)

v1 -> v2:
1. Removed 2 changes which were exposing power info in sysfs
2. Removed 1 change which was moving data structs to phy-qcom-qmp-ufs.h
3. Added one new change (the 1st one) to clean up usage of ufs_dev_params based on comments from Mani
4. Adjusted the logic of UFS device version detection according to comments from Mani:
	4.1 For HW version < 0x5, go through dual init
 	4.2 For HW version >= 0x5
		a. If UFS device version is populated, one init is required
		b. If UFS device version is not populated, go through dual init

Bao D. Nguyen (1):
  scsi: ufs: ufs-qcom: Add support for UFS device version detection

Can Guo (6):
  scsi: ufs: host: Rename structure ufs_dev_params to ufs_host_params
  scsi: ufs: ufs-qcom: Setup host power mode during init
  scsi: ufs: ufs-qcom: Allow the first init start with the maximum
    supported gear
  scsi: ufs: ufs-qcom: Limit HS-G5 Rate-A to hosts with HW version 5
  scsi: ufs: ufs-qcom: Set initial PHY gear to max HS gear for HW ver 5
    and newer
  phy: qualcomm: phy-qcom-qmp-ufs: Add High Speed Gear 5 support for
    SM8550

 drivers/phy/qualcomm/phy-qcom-qmp-pcs-ufs-v6.h     |   2 +
 drivers/phy/qualcomm/phy-qcom-qmp-qserdes-com-v6.h |   2 +
 .../qualcomm/phy-qcom-qmp-qserdes-txrx-ufs-v6.h    |  12 +++
 drivers/phy/qualcomm/phy-qcom-qmp-ufs.c            | 112 ++++++++++++++++++---
 drivers/ufs/host/ufs-exynos.c                      |   7 +-
 drivers/ufs/host/ufs-hisi.c                        |  11 +-
 drivers/ufs/host/ufs-mediatek.c                    |  12 +--
 drivers/ufs/host/ufs-qcom.c                        |  78 ++++++++++----
 drivers/ufs/host/ufs-qcom.h                        |   3 +
 drivers/ufs/host/ufshcd-pltfrm.c                   |  49 +++++----
 drivers/ufs/host/ufshcd-pltfrm.h                   |  10 +-
 11 files changed, 217 insertions(+), 81 deletions(-)

-- 
2.7.4