APPLIED/Cmnt: [SRU][Bionic][snapdragon][PULL] Enable support for UFS drive on DB820c and IFC6640 boards

[Kleber Souza]

Hi Shrirang,

On 2019-12-03 06:15, Shrirang Bagul wrote:
> BugLink: http://bugs.launchpad.net/bugs/1853556

Please note that we have switched a while ago to use https instead of http
for the BugLink's. I have fixed it while applying.

> 
> [Impact]
> Both Dragonboard 820c and Inforce 6640 (based on Snapdragon820 SoC) have a
> Universal Flash Drive on-board. The patches in this pull request fix the
> instabiliy issues and enable support for the UFS.
> 
> [Fix]
> Fix the bring-up of the QMP PHY shared between the UFS and the PCIE ports.
> This patch set reverts patches picked-up from Linaro development tree and
> replaces them with necessary updates from upstream mainline and stable kernel
> trees.
> 
> [Test Case]
> Test kernel based on Ubuntu-snapdragon-4.15.0-1068.75 was verified on both the
> DB820c and IFC6640.
> 
> [Regression Risk]
> Low. Kernel configs enabling the UFS were disabled in previous versions.
> Also, pcie patches cause no regressions on DB410c.
> 
> 
> The following changes since commit d724458ea5038070ca377366f6593625150b0def:
> 
>   UBUNTU: Ubuntu-snapdragon-4.15.0-1068.75 (2019-11-14 09:58:11 -0800)
> 
> are available in the Git repository at:
> 
>   git://git.launchpad.net/~shrirang-bagul/ubuntu/+source/linux/+git/bionic snapdragon-ufs
> 
> for you to fetch changes up to 01d866a0e0438f30b570b8cb5063fceedf4e529b:
> 
>   UBUNTU: SAUCE: arm64: dts: msm8996: db820c: disable pcie1 bus (2019-11-22 20:32:50
> +0800)
> 

Applied to bionic/snapdragon branch.

Thanks,
Kleber

> ----------------------------------------------------------------
> Arnd Bergmann (1):
>       PCI: qcom: Include gpio/consumer.h
> 
> Bjorn Andersson (5):
>       arm64: dts: qcom: msm8996: Add ufs related nodes
>       phy: qcom-qmp: Correct ready status, again
>       PCI: qcom: Use clk bulk API for 2.4.0 controllers
>       UBUNTU: SAUCE: phy: qcom-qmp: Increase PHY ready timeout
>       UBUNTU: SAUCE: phy: qcom: qmp: Use power_on/off ops for PCIe
> 
> Bjorn Helgaas (1):
>       PCI: Add Qualcomm vendor ID
> 
> Dan Carpenter (1):
>       PCI: qcom: Fix a bitwise vs logical NOT typo
> 
> Evan Green (6):
>       scsi: ufs: Remove select of phy-qcom-ufs from ufs-qcom
>       scsi: ufs: qcom: Expose the reset controller for PHY
>       dt-bindings: ufs: Add #reset-cells for Qualcomm controllers
>       dt-bindings: phy-qcom-qmp: Add UFS PHY reset
>       dt-bindings: phy: qcom-ufs: Add resets property
>       arm64: dts: msm8996: Add UFS PHY reset controller
> 
> Kishon Vijay Abraham I (1):
>       phy: core: Invoke pm_runtime_get_*/pm_runtime_put_* before invoking reset callback
> 
> Marc Gonzalez (3):
>       phy: qcom-qmp: Drop useless msm8998_pciephy_cfg setting
>       phy: qcom-qmp: Raise qcom_qmp_phy_enable() polling delay
>       PCI: qcom: Use default config space read function
> 
> Paul Gortmaker (1):
>       phy: make phy-core explicitly non-modular
> 
> Shawn Guo (1):
>       PCI: qcom: Drop unnecessary root_bus_nr setting
> 
> Shrirang Bagul (10):
>       Revert "UBUNTU: [Config] disable PHY_QCOM_UFS"
>       Revert "UBUNTU: [Config] disable SCSI_UFSHCD"
>       Revert "dts: arm64/msm8996: Fix power domain for ufs"
>       Revert "arm64: dts: Add ufs dts nodes"
>       Revert "scsi: ufs: qcom: Expose the reset controller for PHY"
>       Revert "scsi: ufs: make UFS Tx lane1 clock optional for QCOM platforms"
>       Revert "scsi: ufs: ufshcd_dump_regs to use memcpy_fromio"
>       Revert "scsi: ufs: ufs-qcom: remove broken hci version quirk"
>       Revert "scsi/ufs: qcom: Remove ufs_qcom_phy_*() calls from host"
>       UBUNTU: SAUCE: arm64: dts: msm8996: db820c: disable pcie1 bus
> 
> Srinivas Kandagatla (1):
>       PCI: qcom: Use regulator bulk api for apq8064 supplies
> 
> Stanley Chu (2):
>       scsi: ufs-qcom: Re-factor ufshcd_get_pwr_dev_param
>       scsi: ufs: Introduce ufshcd_get_pwr_dev_param
> 
> Vivek Gautam (1):
>       scsi/ufs: qcom: Remove ufs_qcom_phy_*() calls from host
> 
>  .../devicetree/bindings/phy/qcom-qmp-phy.txt       |   4 +-
>  Documentation/devicetree/bindings/ufs/ufs-qcom.txt |   5 +-
>  .../devicetree/bindings/ufs/ufshcd-pltfrm.txt      |   5 +
>  arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi       |  17 +-
>  arch/arm64/boot/dts/qcom/msm8996.dtsi              | 169 ++++++++++---------
>  debian.snapdragon/config/config.common.ubuntu      |  10 +-
>  drivers/pci/dwc/pcie-qcom.c                        | 133 +++++----------
>  drivers/pci/quirks.c                               |   4 +-
>  drivers/phy/phy-core.c                             |  18 +-
>  drivers/phy/qualcomm/phy-qcom-qmp.c                |  42 +++--
>  drivers/scsi/ufs/Kconfig                           |   1 -
>  drivers/scsi/ufs/ufs-qcom.c                        | 183 ++++++---------------
>  drivers/scsi/ufs/ufshcd-pltfrm.c                   |  98 +++++++++++
>  drivers/scsi/ufs/ufshcd-pltfrm.h                   |  21 +++
>  drivers/scsi/ufs/ufshcd.c                          |  35 ++--
>  drivers/scsi/ufs/ufshcd.h                          |   3 -
>  include/linux/pci_ids.h                            |   2 +
>  17 files changed, 362 insertions(+), 388 deletions(-)
> 
>