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Message-ID: <20240517170458.GA1947919@rocinante>
Date: Sat, 18 May 2024 02:04:58 +0900
From: Krzysztof WilczyƄski <kw@...ux.com>
To: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Cc: Jingoo Han <jingoohan1@...il.com>,
	Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Rob Herring <robh@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>,
	Marek Vasut <marek.vasut+renesas@...il.com>,
	Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
	Thierry Reding <thierry.reding@...il.com>,
	Jonathan Hunter <jonathanh@...dia.com>,
	Vidya Sagar <vidyas@...dia.com>,
	Vignesh Raghavendra <vigneshr@...com>,
	Richard Zhu <hongxing.zhu@....com>,
	Lucas Stach <l.stach@...gutronix.de>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	NXP Linux Team <linux-imx@....com>,
	Minghuan Lian <minghuan.Lian@....com>,
	Mingkai Hu <mingkai.hu@....com>, Roy Zang <roy.zang@....com>,
	Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>,
	Masami Hiramatsu <mhiramat@...nel.org>,
	Kishon Vijay Abraham I <kishon@...nel.org>,
	Jesper Nilsson <jesper.nilsson@...s.com>,
	Srikanth Thokala <srikanth.thokala@...el.com>,
	Shawn Lin <shawn.lin@...k-chips.com>,
	Heiko Stuebner <heiko@...ech.de>, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
	linux-arm-msm@...r.kernel.org, linux-tegra@...r.kernel.org,
	linux-omap@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linuxppc-dev@...ts.ozlabs.org, Niklas Cassel <cassel@...nel.org>,
	linux-arm-kernel@...s.com, linux-rockchip@...ts.infradead.org,
	Frank Li <Frank.Li@....com>
Subject: Re: [PATCH v12 0/8] PCI: dwc: ep: Fix DBI access failure for drivers
 requiring refclk from host


Hello,

> This series is the continuation of previous work by Vidya Sagar [1] to fix the
> issues related to accessing DBI register space before completing the core
> initialization in some EP platforms like Tegra194/234 and Qcom EP.
> 
> Since Vidya is busy, I took over the series based on his consent (off-list
> discussion).
> 
> NOTE
> ====
> 
> Based on the comments received in v7 [2], I've heavily modified the series
> to fix several other issues reported by Bjorn and Niklas. One noticeable
> change is getting rid of the 'core_init_notifer' flag added to differentiate
> between glue drivers requiring refclk from host and drivers getting refclk
> locally.
> 
> By getting rid of this flag, now both the DWC EP driver and the EPF drivers
> can use a single flow and need not distinguish between the glue drivers.
> 
> We can also get rid of the 'link_up_notifier' flag in the future by following
> the same convention.
> 
> Testing
> =======
> 
> I've tested the series on Qcom SM8450 based dev board that depends on refclk
> from host with EPF_MHI driver. It'd be good to test this series on platforms
> that generate refclk locally and also with EPF_TEST driver.

Applied to controller/dwc, thank you!

[01/08] PCI: dwc: ep: Fix DBI access failure for drivers requiring refclk from host
        https://git.kernel.org/pci/pci/c/869bc5253406
[02/08] PCI: dwc: ep: Add Kernel-doc comments for APIs
        https://git.kernel.org/pci/pci/c/7cbebc86c72a
[03/08] PCI: dwc: ep: Remove deinit() callback from struct dw_pcie_ep_ops
        https://git.kernel.org/pci/pci/c/b7dec6b85089
[04/08] PCI: dwc: ep: Rename dw_pcie_ep_exit() to dw_pcie_ep_deinit()
        https://git.kernel.org/pci/pci/c/c8682a3314c1
[05/08] PCI: dwc: ep: Introduce dw_pcie_ep_cleanup() API for drivers supporting PERST#
        https://git.kernel.org/pci/pci/c/570d7715eed8
[06/08] PCI: dwc: ep: Rename dw_pcie_ep_init_complete() to dw_pcie_ep_init_registers()
        https://git.kernel.org/pci/pci/c/7d6e64c443ea
[07/08] PCI: dwc: ep: Call dw_pcie_ep_init_registers() API directly from all glue drivers
        https://git.kernel.org/pci/pci/c/df69e17ccc2f
[08/08] PCI: endpoint: Remove "core_init_notifier" flag
        https://git.kernel.org/pci/pci/c/a01e7214bef9

	Krzysztof

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