[PATCH phy v2 0/6] Armada 3720 comphy native implementation

[Pali Rohár]

Hello Vinod,

could you look at this patch series?

On Wednesday 08 December 2021 03:40:32 Marek Behún wrote:
> Hello Vinod,
> 
> this is v2 of series converting A3720 comphy to native kernel
> implementation.
> 
> Tested on Turris MOX and ESPRESSObin (tested all supported PHY modes:
> ethernet, PCIe, USB3, SATA).
> 
> Changes since v1 (all changes in patch 2/6):
> - refactored to use GENMASK()
> - fixed various register names to conform to Functional Specification
> - refactored various register names to have uniform naming
> - refactored register access into one function, which decides whether
>   the access should be direct or indirect, so as to not have all these
>   checks done everywhere in the code
> - moved around one register definition to have the registers sorted
>   according to their offset
> - added comments to some register definitions
> - added support for PHY reset() method
> - when changing PHY mode, the driver now resets the PHY and its
>   registers to put the PHY in known state
> - fixed the power_off() method
> - added spinlock guard when accessing PHY Selector register, since it
>   is shared between the PHYs and so the PHY mutex is insufficient
> - upon driver probe changed the calls to power_off() to reset()
> 
> 
> The original cover letter said:
> 
> The RPC calling to ARM Trusted Firmware implementation of Armada 3720
> comphy driver caused quite a number of issues (explained more in patch 2).
> 
> This series fixes those issues by reimplementing the driver to native
> kernel implementation.
> 
> The last 3 commits revert commits in AHCI, USB, and PCI drivers, that were
> introduced there because of those issues.
> 
> Pali Rohár (6):
>   phy: marvell: phy-mvebu-a3700-comphy: Remove port from driver
>     configuration
>   phy: marvell: phy-mvebu-a3700-comphy: Add native kernel implementation
>   arm64: dts: marvell: armada-37xx: Add xtal clock to comphy node
>   Revert "ata: ahci: mvebu: Make SATA PHY optional for Armada 3720"
>   Revert "usb: host: xhci: mvebu: make USB 3.0 PHY optional for Armada
>     3720"
>   Revert "PCI: aardvark: Fix initialization with old Marvell's Arm
>     Trusted Firmware"
> 
>  arch/arm64/boot/dts/marvell/armada-37xx.dtsi |    2 +
>  drivers/ata/ahci.h                           |    2 -
>  drivers/ata/ahci_mvebu.c                     |    2 +-
>  drivers/ata/libahci_platform.c               |    2 +-
>  drivers/pci/controller/pci-aardvark.c        |    4 +-
>  drivers/phy/marvell/phy-mvebu-a3700-comphy.c | 1362 ++++++++++++++++--
>  drivers/usb/host/xhci-mvebu.c                |   42 -
>  drivers/usb/host/xhci-mvebu.h                |    6 -
>  drivers/usb/host/xhci-plat.c                 |   20 +-
>  drivers/usb/host/xhci-plat.h                 |    1 -
>  10 files changed, 1240 insertions(+), 203 deletions(-)
> 
> -- 
> 2.32.0
>