linux-kernel - Re: [PATCH v1 0/2] Add runtime PM support to Rockchip DW PCIe driver

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Message-ID: <CANAwSgQts0B2Sq0V2psa53WzTLEdU-Z=jkqGkW1ESmvKf_6EyA@mail.gmail.com>
Date: Wed, 29 Oct 2025 11:59:38 +0530
From: Anand Moon <linux.amoon@...il.com>
To: Nicolas Frattaroli <nicolas.frattaroli@...labora.com>
Cc: Lorenzo Pieralisi <lpieralisi@...nel.org>, Krzysztof Wilczyński <kwilczynski@...nel.org>, 
	Manivannan Sadhasivam <mani@...nel.org>, Rob Herring <robh@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>, 
	Heiko Stuebner <heiko@...ech.de>, Niklas Cassel <cassel@...nel.org>, 
	Shawn Lin <shawn.lin@...k-chips.com>, Hans Zhang <18255117159@....com>, 
	"open list:PCI NATIVE HOST BRIDGE AND ENDPOINT DRIVERS" <linux-pci@...r.kernel.org>, 
	"moderated list:ARM/Rockchip SoC support" <linux-arm-kernel@...ts.infradead.org>, 
	"open list:ARM/Rockchip SoC support" <linux-rockchip@...ts.infradead.org>, 
	open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v1 0/2] Add runtime PM support to Rockchip DW PCIe driver

Hi Nicolas,

On Mon, 27 Oct 2025 at 20:37, Nicolas Frattaroli
<nicolas.frattaroli@...labora.com> wrote:
>
> On Monday, 27 October 2025 15:55:28 Central European Standard Time Anand Moon wrote:
> > Introduce runtime power management support in the Rockchip DesignWare PCIe
> > controller driver.  These changes allow the PCIe controller to suspend and
> > resume dynamically, improving power efficiency on supported platforms.
> >
> > Can Patch 1 can be backpoted to stable? It helps clean shutdown of PCIe.
>
> You can do this by adding a Fixes tag to your patch. In your case, it
> might be fixing whatever introduced the clk_bulk_prepare_enable, i.e.:
>
> Fixes: 0e898eb8df4e ("PCI: rockchip-dwc: Add Rockchip RK356X host controller driver")
>
> This would be put above your Signed-off-by in the first patch, after
> the empty line.
>
> To generate fixes tags like this, I use the following pretty format
> in my .git/config:
>
>     [pretty]
>         fixes = Fixes: %h (\"%s\")
>
> I can then do `git log --pretty=fixes` to show commits formatted
> the right way. To find which commit to pick, `git blame` and
> some sleuthing are helpful.
>
> With this tag, stable bots can pick the commit into any release
> that the commit it fixes is in.
>
Thanks for your input.
I will leave this to the maintainers to decide on this.
> Kind regards,
> Nicolas Frattaroli
>
Thanks
-Anand