Re: [PATCH v6 0/2] phy: qcom: qmp-pcie: Add PCIe PHY no_csr reset support
From: Vinod Koul
Date: Fri Apr 11 2025 - 03:30:35 EST
On 19-03-25, 17:45, Wenbin Yao wrote:
> The series aims to skip phy register programming and drive PCIe PHY with
> register setting programmed in bootloader by simply toggling no_csr reset,
> which once togglled, PHY hardware will be reset while PHY registers are
> retained.
>
> First, determine whether PHY setting can be skipped by checking
> QPHY_START_CTRL register and the existence of nocsr reset. If it is
> programmed and no_csr reset is supported, do no_csr reset and skip BCR
> reset which will reset entire PHY.
>
> This series also remove has_nocsr_reset flag in qmp_phy_cfg structure and
> decide whether the PHY supports nocsr reset by checking the existence of
> nocsr reset in device tree.
>
> The series are tested on X1E80100-QCP and HDK8550.
>
> The commit messages of this patchset have been modified based on comments
> and suggestions.
This does not apply for me on phy/next, pls rebase and resend
--
~Vinod