linux-kernel - Re: [PATCH v6 09/10] PCI: imx6: Add i.MX8MQ i.MX8Q and i.MX95 PCIe PM support

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Message-ID: <20241115071257.ihticiqzmyn5c3lu@thinkpad>
Date: Fri, 15 Nov 2024 12:42:57 +0530
From: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To: Richard Zhu <hongxing.zhu@....com>
Cc: l.stach@...gutronix.de, bhelgaas@...gle.com, lpieralisi@...nel.org,
	kw@...ux.com, robh@...nel.org, krzk+dt@...nel.org,
	conor+dt@...nel.org, shawnguo@...nel.org, frank.li@....com,
	s.hauer@...gutronix.de, festevam@...il.com, imx@...ts.linux.dev,
	kernel@...gutronix.de, linux-pci@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 09/10] PCI: imx6: Add i.MX8MQ i.MX8Q and i.MX95 PCIe
 PM support

On Fri, Nov 01, 2024 at 03:06:09PM +0800, Richard Zhu wrote:

In subject, do not use "PCIe PM" as it could imply "PCI-PM". Just use "PM"
instead. Prefix already mentioned that it is a PCIe driver.

> Add iMX8MQ i.MX8Q and i.MX95 PCIe suspend/resume support.
> 
> Signed-off-by: Richard Zhu <hongxing.zhu@....com>

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>

- Mani

> Reviewed-by: Frank Li <Frank.Li@....com>
> ---
>  drivers/pci/controller/dwc/pci-imx6.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c
> index 3c074cc2605f..cf2a9918537e 100644
> --- a/drivers/pci/controller/dwc/pci-imx6.c
> +++ b/drivers/pci/controller/dwc/pci-imx6.c
> @@ -1498,7 +1498,8 @@ 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),
> @@ -1536,7 +1537,8 @@ 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),
>  	},
> -- 
> 2.37.1
> 

-- 
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