linux-kernel - Re: [RFC,v14 5/5] soc/tegra: pmc: Add Tegra234 PCIe wake event

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Date:   Wed, 8 Feb 2023 12:38:03 +0100
From:   Thierry Reding <thierry.reding@...il.com>
To:     Manikanta Maddireddy <mmaddireddy@...dia.com>
Cc:     bhelgaas@...gle.com, petlozup@...dia.com,
        rafael.j.wysocki@...el.com, lpieralisi@...nel.org, robh@...nel.org,
        jeffy.chen@...k-chips.com, krzysztof.kozlowski+dt@...aro.org,
        jonathanh@...dia.com, dmitry.osipenko@...labora.com,
        viresh.kumar@...aro.org, gregkh@...uxfoundation.org,
        steven.price@....com, kw@...ux.com, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-tegra@...r.kernel.org, linux-pm@...r.kernel.org,
        vidyas@...dia.com
Subject: Re: [RFC,v14 5/5] soc/tegra: pmc: Add Tegra234 PCIe wake event

On Wed, Feb 08, 2023 at 04:46:45PM +0530, Manikanta Maddireddy wrote:
> Enable PCIe wake event for the Tegra234 SoC.
> 
> Signed-off-by: Manikanta Maddireddy <mmaddireddy@...dia.com>
> ---
> 
> Changes in v14:
> New patch in the series to support PCIe WAKE# in NVIDIA Jetson AGX Orin.
> 
>  drivers/soc/tegra/pmc.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/soc/tegra/pmc.c b/drivers/soc/tegra/pmc.c
> index cf4cfbf9f7c5..139ee853c32b 100644
> --- a/drivers/soc/tegra/pmc.c
> +++ b/drivers/soc/tegra/pmc.c
> @@ -4225,6 +4225,7 @@ static const char * const tegra234_reset_sources[] = {
>  };
>  
>  static const struct tegra_wake_event tegra234_wake_events[] = {
> +	TEGRA_WAKE_GPIO("pcie", 1, 0, TEGRA234_MAIN_GPIO(L, 2)),

What about wake events for other PCIe controllers? Do we need/want to
distinguish by name for those?

Thierry

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