Re: [PATCH v1 8/9] PCI: imx6: Add i.MX8MQ i.MX8Q and i.MX95 PCIe PM support

Frank Li
2024-09-24T16:29:42Z

On Tue, Sep 24, 2024 at 11:27:43AM +0800, Richard Zhu wrote:
> Add iMX8MQ i.MX8Q and i.MX95 PCIe suspend/resume support.
>
> Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>

Reviewed-by: Frank Li <Frank.Li@nxp.com>

> ---
> drivers/pci/controller/dwc/pci-imx6.c | 9 ++++++---
> 1 file changed, 6 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c
> index 36df439d43ae..a8505cd3b53d 100644
> --- a/drivers/pci/controller/dwc/pci-imx6.c
> +++ b/drivers/pci/controller/dwc/pci-imx6.c
> @@ -1497,7 +1497,8 @@ static const struct imx_pcie_drvdata drvdata[] = {
> [IMX8MQ] = {
> .variant = IMX8MQ,
> .flags = IMX_PCIE_FLAG_HAS_APP_RESET |
> - IMX_PCIE_FLAG_HAS_PHY_RESET,
> + IMX_PCIE_FLAG_HAS_PHY_RESET |
> + IMX_PCIE_FLAG_SUPPORTS_SUSPEND,
> .gpr = "fsl,imx8mq-iomuxc-gpr",
> .clk_names = imx8mq_clks,
> .clks_cnt = ARRAY_SIZE(imx8mq_clks),
> @@ -1535,13 +1536,15 @@ static const struct imx_pcie_drvdata drvdata[] = {
> [IMX8Q] = {
> .variant = IMX8Q,
> .flags = IMX_PCIE_FLAG_HAS_PHYDRV |
> - IMX_PCIE_FLAG_CPU_ADDR_FIXUP,
> + IMX_PCIE_FLAG_CPU_ADDR_FIXUP |
> + IMX_PCIE_FLAG_SUPPORTS_SUSPEND,
> .clk_names = imx8q_clks,
> .clks_cnt = ARRAY_SIZE(imx8q_clks),
> },
> [IMX95] = {
> .variant = IMX95,
> - .flags = IMX_PCIE_FLAG_HAS_SERDES,
> + .flags = IMX_PCIE_FLAG_HAS_SERDES |
> + IMX_PCIE_FLAG_SUPPORTS_SUSPEND,
> .clk_names = imx95_clks,
> .clks_cnt = ARRAY_SIZE(imx95_clks),
> .ltssm_off = IMX95_PE0_GEN_CTRL_3,
> --
> 2.37.1
>