linux-kernel - Re: [PATCH 0/2] PCI: Slot reset fixes

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Message-ID: <392b4454bd965db1717776635ad2a0dcd6ec7463.camel@wdc.com>
Date: Mon, 26 May 2025 00:47:43 +0000
From: Wilfred Mallawa <wilfred.mallawa@....com>
To: "kw@...ux.com" <kw@...ux.com>, "bhelgaas@...gle.com"
	<bhelgaas@...gle.com>, "manivannan.sadhasivam@...aro.org"
	<manivannan.sadhasivam@...aro.org>, "lpieralisi@...nel.org"
	<lpieralisi@...nel.org>
CC: "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>,
	"cassel@...nel.org" <cassel@...nel.org>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/2] PCI: Slot reset fixes

On Sun, 2025-05-25 at 00:23 +0530, Manivannan Sadhasivam wrote:
> Hi,
> 
> This series fixes the issues reported for the slot reset feature
> merged for
> v6.16.
> 
> This series is on top of dw-rockchip branch where the slot reset
> patches are
> merged. The patches in this series can be squashed into the
> respective commits
> since they are not merged into mainline.
> 
> - Mani
> 
> Manivannan Sadhasivam (2):
>   PCI: Save and restore root port config space in
>     pcibios_reset_secondary_bus()
>   PCI: Rename host_bridge::reset_slot() to
>     host_bridge::reset_root_port()
> 
>  drivers/pci/controller/dwc/pcie-dw-rockchip.c |  8 ++++----
>  drivers/pci/controller/dwc/pcie-qcom.c        |  8 ++++----
>  drivers/pci/controller/pci-host-common.c      | 20 +++++++++--------
> --
>  drivers/pci/pci.c                             | 15 +++++++++++---
>  include/linux/pci.h                           |  2 +-
>  5 files changed, 31 insertions(+), 22 deletions(-)
Hey Mani,

I tested this series with the Rock5B RC <-> Rock5B EP. As expected, bus
resets now work as intended. Feel free to use:

Tested-by: Wilfred Mallawa <wilfred.mallawa@....com>

Cheers,
Wilfred