From: Frank Li <Frank.li@nxp.com>
To: Richard Zhu <hongxing.zhu@nxp.com>
Cc: l.stach@pengutronix.de, lpieralisi@kernel.org,
kwilczynski@kernel.org, mani@kernel.org, robh@kernel.org,
bhelgaas@google.com, shawnguo@kernel.org, s.hauer@pengutronix.de,
kernel@pengutronix.de, festevam@gmail.com,
linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
imx@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 2/5] PCI: imx6: Don't poll LTSSM state of i.MX7D PCIe in PM operations
Date: Wed, 18 Jun 2025 14:34:10 -0400 [thread overview]
Message-ID: <aFMGokOMOQsj7FtY@lizhi-Precision-Tower-5810> (raw)
In-Reply-To: <20250618024116.3704579-3-hongxing.zhu@nxp.com>
On Wed, Jun 18, 2025 at 10:41:13AM +0800, Richard Zhu wrote:
> Add a quirk flag(QUIRK_NOL2POLL_IN_PM) for i.MX7D PCIe. Don't poll the
> LTSSM states after issuing the PME_Turn_Off message.
s/issuing/issue
>
> Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
> ---
This patch should after
PCI: dwc: Don't poll L2 if QUIRK_NOL2POLL_IN_PM is existing in suspend
Frank
> drivers/pci/controller/dwc/pci-imx6.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c
> index 8b7daaf36fef..f084a9ad1001 100644
> --- a/drivers/pci/controller/dwc/pci-imx6.c
> +++ b/drivers/pci/controller/dwc/pci-imx6.c
> @@ -1851,6 +1851,7 @@ static const struct imx_pcie_drvdata drvdata[] = {
> .mode_mask[0] = IMX6Q_GPR12_DEVICE_TYPE,
> .enable_ref_clk = imx7d_pcie_enable_ref_clk,
> .core_reset = imx7d_pcie_core_reset,
> + .quirk = QUIRK_NOL2POLL_IN_PM,
> },
> [IMX8MQ] = {
> .variant = IMX8MQ,
> --
> 2.37.1
>
next prev parent reply other threads:[~2025-06-18 19:22 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-18 2:41 [PATCH v2 0/5] Add quirks to proceed PME handshake in DWC PM Richard Zhu
2025-06-18 2:41 ` [PATCH v2 1/5] PCI: imx6: Don't poll LTSSM state of i.MX6QP PCIe in PM operations Richard Zhu
2025-06-18 18:36 ` Frank Li
2025-06-18 2:41 ` [PATCH v2 2/5] PCI: imx6: Don't poll LTSSM state of i.MX7D " Richard Zhu
2025-06-18 18:34 ` Frank Li [this message]
2025-06-18 2:41 ` [PATCH v2 3/5] PCI: dwc: Don't poll L2 if QUIRK_NOL2POLL_IN_PM is existing in suspend Richard Zhu
2025-06-18 18:32 ` Frank Li
2025-06-18 2:41 ` [PATCH v2 4/5] PCI: dwc: Skip PME_Turn_Off message if there is no endpoint connected Richard Zhu
2025-06-18 18:19 ` Frank Li
2025-06-18 2:41 ` [PATCH v2 5/5] PCI: dwc: Don't return error when wait for link up Richard Zhu
2025-06-18 18:24 ` Frank Li
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