linux-kernel - Re: [PATCH] PCI: dw-rockchip: Fix function call sequence in rockchip_pcie_phy

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Message-ID: <4c00fce8-f148-c222-e0c1-e932f04bead0@rock-chips.com>
Date: Wed, 23 Apr 2025 09:00:32 +0800
From: Shawn Lin <shawn.lin@...k-chips.com>
To: Diederik de Haas <didi.debian@...ow.org>,
 Lorenzo Pieralisi <lpieralisi@...nel.org>,
 Krzysztof Wilczyński <kw@...ux.com>,
 Bjorn Helgaas <bhelgaas@...gle.com>, Heiko Stuebner <heiko@...ech.de>
Cc: shawn.lin@...k-chips.com, Dragan Simic <dsimic@...jaro.org>,
 Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
 Rob Herring <robh@...nel.org>, Niklas Cassel <cassel@...nel.org>,
 linux-pci@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
 stable@...r.kernel.org
Subject: Re: [PATCH] PCI: dw-rockchip: Fix function call sequence in
 rockchip_pcie_phy_deinit

在 2025/04/17 星期四 22:21, Diederik de Haas 写道:
> The documentation for the phy_power_off() function explicitly says
> 
>    Must be called before phy_exit().
> 
> So let's follow that instruction.

Thanks for this fixing.

Acked-by: Shawn Lin <shawn.lin@...k-chips.com>

> 
> Fixes: 0e898eb8df4e ("PCI: rockchip-dwc: Add Rockchip RK356X host controller driver")
> Cc: stable@...r.kernel.org	# v5.15+
> Signed-off-by: Diederik de Haas <didi.debian@...ow.org>
> ---
>   drivers/pci/controller/dwc/pcie-dw-rockchip.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/pci/controller/dwc/pcie-dw-rockchip.c b/drivers/pci/controller/dwc/pcie-dw-rockchip.c
> index c624b7ebd118..4f92639650e3 100644
> --- a/drivers/pci/controller/dwc/pcie-dw-rockchip.c
> +++ b/drivers/pci/controller/dwc/pcie-dw-rockchip.c
> @@ -410,8 +410,8 @@ static int rockchip_pcie_phy_init(struct rockchip_pcie *rockchip)
>   
>   static void rockchip_pcie_phy_deinit(struct rockchip_pcie *rockchip)
>   {
> -	phy_exit(rockchip->phy);
>   	phy_power_off(rockchip->phy);
> +	phy_exit(rockchip->phy);
>   }
>   
>   static const struct dw_pcie_ops dw_pcie_ops = {