linux-kernel - Re: [PATCH v7 0/7] Add suspend to ram support for PCIe on J7200

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Message-ID: <78be1cb2-a6c6-44e3-8974-06731dd055f2@bootlin.com>
Date: Tue, 3 Sep 2024 14:41:58 +0200
From: Thomas Richard <thomas.richard@...tlin.com>
To: Lorenzo Pieralisi <lpieralisi@...nel.org>,
 Krzysztof Wilczyński <kw@...ux.com>,
 Rob Herring <robh@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>,
 Vignesh Raghavendra <vigneshr@...com>,
 Siddharth Vadapalli <s-vadapalli@...com>
Cc: gregory.clement@...tlin.com, theo.lebrun@...tlin.com,
 thomas.petazzoni@...tlin.com, u-kumar1@...com, linux-pci@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org,
 Francesco Dolcini <francesco.dolcini@...adex.com>
Subject: Re: [PATCH v7 0/7] Add suspend to ram support for PCIe on J7200

On 6/19/24 12:15, Thomas Richard wrote:
> This adds suspend to ram support for the PCIe (RC mode) on J7200 platform.
> 
> In this 7th iteration, the i2c and mux patches were moved to dedicated
> series ([1] and [2]).
> The patch for the gpio-pca953x driver was removed. It will be sent
> separately for further testing and discussion.
> 
> No merge conflict with 6.10-rc4.
> 
> [1]: https://lore.kernel.org/all/20240613-i2c-omap-wakeup-controller-during-suspend-v1-0-aab001eb1ad1@bootlin.com/
> [2]: https://lore.kernel.org/all/20240613-mux-mmio-resume-support-v1-0-4525bf56024a@bootlin.com/

Hello !!

This series has no remaining comment to address.
Is there any chance to get this series merged ?

Best Regards,

Thomas

> 
> Regards,
> 
> Thomas
> 
> Signed-off-by: Thomas Richard <thomas.richard@...tlin.com>
> ---
> Changes in v7:
> - all: series rebased on Linux 6.10-rc4.
> - i2c: patches moved to a dedicated series.
> - mux: patches moved to a dedicated series.
> - gpio-pca953x: patch removed, will be sent separately.
> - Link to v6: https://lore.kernel.org/r/20240102-j7200-pcie-s2r-v6-0-4656ef6e6d66@bootlin.com
> 
> Changes in v6:
> - i2c-omap: add a patch to remove __maybe_unused attribute of
>   omap_i2c_runtime_suspend() and omap_i2c_runtime_resume()
> - i2c-omap: fix compile issue if CONFIG_PM_SLEEP is not set
> - Link to v5: https://lore.kernel.org/r/20240102-j7200-pcie-s2r-v5-0-4b8c46711ded@bootlin.com
> 
> Changes in v5:
> - all: series rebased on Linux 6.9-rc1
> - pinctrl-single: patch removed (already applied to the pinctrl tree)
> - phy: patches moved to a dedicated series.
> - pci: add T_PERST_CLK_US macro.
> - pci-j721e: update the comments about T_PERST_CLK_US.
> - Link to v4: https://lore.kernel.org/r/20240102-j7200-pcie-s2r-v4-0-6f1f53390c85@bootlin.com
> 
> Changes in v4:
> - all: use SoB/Co-developed-by for patches initially developed by Théo
>   Lebrun.
> - pinctrl-single: squash the two commits.
> - i2c-omap: fix line lenghts of the comment in omap_i2c_suspend().
> - mux: mux_chip_resume() return 0 or at the first error.
> - phy-j721e-wiz: clean code around dev_err_probe().
> - phy-j721e-wiz: use REF_CLK_100MHZ macros.
> - pci: fix subject line for all PCI patches.
> - pci-cadence: use fsleep() instead of usleep_range().
> - pci-cadence: remove cdns_torrent_clk_cleanup() call in
>   cdns_torrent_phy_resume_noirq().
> - pci-j721e: add a patch to use dev_err_probe() instead of dev_err() in the probe().
> - pci-j721e: fix unordered header files.
> - pci-j721e: remove some log spammers.
> - pci-j721e: add a missing clock disable in j721e_pcie_resume_noirq().
> - pci-j721e: simplify the patch "Add reset GPIO to struct j721e_pcie"
> - Link to v3: https://lore.kernel.org/r/20240102-j7200-pcie-s2r-v3-0-5c2e4a3fac1f@bootlin.com
> 
> Changes in v3:
> - pinctrl-single: split patch in two parts, a first patch to remove the
>   dead code, a second to move suspend()/resume() callbacks to noirq.
> - i2c-omap: add a comments above the suspend_noirq() callback.
> - mux: now mux_chip_resume() try to restores all muxes, then return 0 if
>   all is ok or the first failure.
> - mmio: fix commit message.
> - phy-j721e-wiz: add a patch to use dev_err_probe() instead of dev_err() in
>   the wiz_clock_init() function.
> - phy-j721e-wiz: remove probe boolean for the wiz_clock_init(), rename the
>   function to wiz_clock_probe(), extract hardware configuration part in a
>   new function wiz_clock_init().
> - phy-cadence-torrent: use dev_err_probe() and fix commit messages
> - pcie-cadence-host: remove probe boolean for the cdns_pcie_host_setup()
>   function and extract the link setup part in a new function
>   cdns_pcie_host_link_setup().
> - pcie-cadence-host: make cdns_pcie_host_init() global.
> - pci-j721e: use the cdns_pcie_host_link_setup() cdns_pcie_host_init()
>   functions in the resume_noirq() callback.
> - Link to v2: https://lore.kernel.org/r/20240102-j7200-pcie-s2r-v2-0-8e4f7d228ec2@bootlin.com
> 
> Changes in v2:
> - all: fix commits messages.
> - all: use DEFINE_NOIRQ_DEV_PM_OPS and pm_sleep_ptr macros.
> - all: remove useless #ifdef CONFIG_PM.
> - pinctrl-single: drop dead code
> - mux: add mux_chip_resume() function in mux core.
> - mmio: resume sequence is now a call to mux_chip_resume().
> - phy-cadence-torrent: fix typo in resume sequence (reset_control_assert()
>   instead of reset_control_put()).
> - phy-cadence-torrent: use PHY instead of phy.
> - pci-j721e: do not shadow cdns_pcie_host_setup return code in resume
>   sequence.
> - pci-j721e: drop dead code.
> - Link to v1: https://lore.kernel.org/r/20240102-j7200-pcie-s2r-v1-0-84e55da52400@bootlin.com
> 
> ---
> Thomas Richard (5):
>       PCI: cadence: Extract link setup sequence from cdns_pcie_host_setup()
>       PCI: cadence: Set cdns_pcie_host_init() global
>       PCI: j721e: Use dev_err_probe() in the probe() function
>       PCI: Add T_PERST_CLK_US macro
>       PCI: j721e: Use T_PERST_CLK_US macro
> 
> Théo Lebrun (2):
>       PCI: j721e: Add reset GPIO to struct j721e_pcie
>       PCI: j721e: Add suspend and resume support
> 
>  drivers/pci/controller/cadence/pci-j721e.c         | 121 ++++++++++++++++++---
>  drivers/pci/controller/cadence/pcie-cadence-host.c |  44 +++++---
>  drivers/pci/controller/cadence/pcie-cadence.h      |  12 ++
>  drivers/pci/pci.h                                  |   3 +
>  4 files changed, 146 insertions(+), 34 deletions(-)
> ---
> base-commit: 7510725e693fb5e4b4cd17086cc5a49a7a065b9c
> change-id: 20240102-j7200-pcie-s2r-ecb1a979e357
> 
> Best regards,