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SubjectRe: [PATCH v3 00/11] Enable HS-G5 support on SM8550
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On 11/23/2023 12:17 AM, Andrew Halaney wrote:
> On Tue, Nov 21, 2023 at 11:10:31PM -0800, Can Guo wrote:
>> 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)
>> SM8350 MTP + UFS3.1 (for regression test)
>>
>> Note that during reboot test on above platforms, I occasinally hit PA (PHY)
>> error during the 2nd init, this is not related with this series. A fix for
>> this is mentioned in below patchwork -
>>
>> https://patchwork.kernel.org/project/linux-scsi/patch/1698145815-17396-1-git-send-email-quic_ziqichen@quicinc.com/
>>
>> Also note that on platforms, which have two sets of UFS PHY settings are
>> provided (say G4 and no-G4, G5 and no-G5). The two sets of PHY settings are
>> basically programming different values to different registers, mixing the
>> two sets and/or overwriting one set with another set is definitely not
>> blessed by UFS PHY designers. For SM8550, this series will make sure we
>> honor the rule. However, for old targets Mani and I will fix them in
>> another series in future.
>>
>> v2 -> v3:
>> 1. Addressed comments from Andrew, Mani and Bart in patch #1
>> 2. Added patch #2 as per request from Andrew and Mani
>> 3. Added patch #4 to fix a common issue on old targets, it is not necessary
>> for this series, but put in this series only because it would be easier
>> to maintain and no need to rebase
>> 4. Addressed comments from Dmitry and Mani in patches to phy-qcom-qmp-ufs.c
>>
>> 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
>
> The cover letter didn't include linux-arm-msm@vger.kernel.org, which
> made me have to go searching for this on lore to see what had changed
> in the rest of the series I received as a member of that mailing list.
>

Sorry for the inconvenience.

> Going forward please try and include that mailing list!

Sure, will do.

Thanks,
Can Guo.
>
>>
>> Bao D. Nguyen (1):
>> scsi: ufs: ufs-qcom: Add support for UFS device version detection
>>
>> Can Guo (10):
>> scsi: ufs: host: Rename structure ufs_dev_params to ufs_host_params
>> scsi: ufs: ufs-qcom: No need to set hs_rate after
>> ufshcd_init_host_param()
>> scsi: ufs: ufs-qcom: Setup host power mode during init
>> scsi: ufs: ufs-qcom: Limit negotiated gear to selected PHY gear
>> 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: Rectify SM8550 UFS HS-G4 PHY Settings
>> phy: qualcomm: phy-qcom-qmp-ufs: Use tbls_hs_max instead of tbls_hs_g4
>> 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 | 171 ++++++++++++++++-----
>> 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 | 92 ++++++++---
>> drivers/ufs/host/ufs-qcom.h | 5 +-
>> drivers/ufs/host/ufshcd-pltfrm.c | 69 ++++-----
>> drivers/ufs/host/ufshcd-pltfrm.h | 10 +-
>> 11 files changed, 275 insertions(+), 118 deletions(-)
>>
>> --
>> 2.7.4
>>
>>
>> _______________________________________________
>> linux-arm-kernel mailing list
>> linux-arm-kernel@lists.infradead.org
>> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
>

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