Re: [PATCH 4/5] PCI: qcom-ep: Use the generic dw_pcie_ep_linkdown() API to handle Link Down event

From: Niklas Cassel <cassel@kernel.org>
To: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Cc: "Vignesh Raghavendra" <vigneshr@ti.com>,
	"Siddharth Vadapalli" <s-vadapalli@ti.com>,
	"Lorenzo Pieralisi" <lpieralisi@kernel.org>,
	"Krzysztof Wilczyński" <kw@linux.com>,
	"Rob Herring" <robh@kernel.org>,
	"Bjorn Helgaas" <bhelgaas@google.com>,
	"Richard Zhu" <hongxing.zhu@nxp.com>,
	"Lucas Stach" <l.stach@pengutronix.de>,
	"Shawn Guo" <shawnguo@kernel.org>,
	"Sascha Hauer" <s.hauer@pengutronix.de>,
	"Pengutronix Kernel Team" <kernel@pengutronix.de>,
	"Fabio Estevam" <festevam@gmail.com>,
	"Minghuan Lian" <minghuan.Lian@nxp.com>,
	"Mingkai Hu" <mingkai.hu@nxp.com>, "Roy Zang" <roy.zang@nxp.com>,
	"Jesper Nilsson" <jesper.nilsson@axis.com>,
	"Jingoo Han" <jingoohan1@gmail.com>,
	"Srikanth Thokala" <srikanth.thokala@intel.com>,
	"Marek Vasut" <marek.vasut+renesas@gmail.com>,
	"Yoshihiro Shimoda" <yoshihiro.shimoda.uh@renesas.com>,
	"Thierry Reding" <thierry.reding@gmail.com>,
	"Jonathan Hunter" <jonathanh@nvidia.com>,
	"Kunihiko Hayashi" <hayashi.kunihiko@socionext.com>,
	"Masami Hiramatsu" <mhiramat@kernel.org>,
	"Kishon Vijay Abraham I" <kishon@kernel.org>,
	linux-omap@vger.kernel.org, linux-pci@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, imx@lists.linux.dev,
	linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@axis.com,
	linux-arm-msm@vger.kernel.org, linux-renesas-soc@vger.kernel.org,
	linux-tegra@vger.kernel.org, mhi@lists.linux.dev
Subject: Re: [PATCH 4/5] PCI: qcom-ep: Use the generic dw_pcie_ep_linkdown() API to handle Link Down event
Date: Fri, 7 Jun 2024 11:22:07 +0200	[thread overview]
Message-ID: <ZmLRP2pYds3LkmdQ@ryzen.lan> (raw)
In-Reply-To: <20240606-pci-deinit-v1-4-4395534520dc@linaro.org>

On Thu, Jun 06, 2024 at 12:56:37PM +0530, Manivannan Sadhasivam wrote:
> Now that the API is available, let's make use of it. It also handles the
> reinitialization of DWC non-sticky registers in addition to sending the
> notification to EPF drivers.
> 
> Reviewed-by: Niklas Cassel <cassel@kernel.org>
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
> ---
>  drivers/pci/controller/dwc/pcie-qcom-ep.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/pci/controller/dwc/pcie-qcom-ep.c b/drivers/pci/controller/dwc/pcie-qcom-ep.c
> index 2324e56c9bfc..02a2a871a91f 100644
> --- a/drivers/pci/controller/dwc/pcie-qcom-ep.c
> +++ b/drivers/pci/controller/dwc/pcie-qcom-ep.c
> @@ -641,7 +641,7 @@ static irqreturn_t qcom_pcie_ep_global_irq_thread(int irq, void *data)
>  	if (FIELD_GET(PARF_INT_ALL_LINK_DOWN, status)) {
>  		dev_dbg(dev, "Received Linkdown event\n");
>  		pcie_ep->link_status = QCOM_PCIE_EP_LINK_DOWN;
> -		pci_epc_linkdown(pci->ep.epc);
> +		dw_pcie_ep_linkdown(&pci->ep);
>  	} else if (FIELD_GET(PARF_INT_ALL_BME, status)) {
>  		dev_dbg(dev, "Received Bus Master Enable event\n");
>  		pcie_ep->link_status = QCOM_PCIE_EP_LINK_ENABLED;
> 
> -- 
> 2.25.1
> 

Like Siddharth reported, this patch is already in pci/next.