linux-kernel - Re: [PATCH 1/3] PCI: dw-rockchip: Remove unused PCIE_CLIENT_GENERAL

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Message-ID: <aAd_FiWy5F-tK_2i@ryzen>
Date: Tue, 22 Apr 2025 13:35:50 +0200
From: Niklas Cassel <cassel@...nel.org>
To: Hans Zhang <18255117159@....com>
Cc: lpieralisi@...nel.org, kw@...ux.com, bhelgaas@...gle.com,
	heiko@...ech.de, manivannan.sadhasivam@...aro.org, robh@...nel.org,
	jingoohan1@...il.com, shawn.lin@...k-chips.com,
	linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org
Subject: Re: [PATCH 1/3] PCI: dw-rockchip: Remove unused
 PCIE_CLIENT_GENERAL_DEBUG

On Tue, Apr 22, 2025 at 07:28:28PM +0800, Hans Zhang wrote:
> The PCIE_CLIENT_GENERAL_DEBUG register offset is defined but never
> used in the driver. Its presence adds noise to the register map and
> may mislead future developers.
> 
> Remove this redundant definition to keep the register list minimal
> and aligned with actual hardware usage.
> 
> Signed-off-by: Hans Zhang <18255117159@....com>
> ---
>  drivers/pci/controller/dwc/pcie-dw-rockchip.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/pci/controller/dwc/pcie-dw-rockchip.c b/drivers/pci/controller/dwc/pcie-dw-rockchip.c
> index 0e0c09bafd63..fd5827bbfae3 100644
> --- a/drivers/pci/controller/dwc/pcie-dw-rockchip.c
> +++ b/drivers/pci/controller/dwc/pcie-dw-rockchip.c
> @@ -54,7 +54,6 @@
>  #define PCIE_CLIENT_GENERAL_CONTROL	0x0
>  #define PCIE_CLIENT_INTR_STATUS_LEGACY	0x8
>  #define PCIE_CLIENT_INTR_MASK_LEGACY	0x1c
> -#define PCIE_CLIENT_GENERAL_DEBUG	0x104
>  #define PCIE_CLIENT_HOT_RESET_CTRL	0x180
>  #define PCIE_CLIENT_LTSSM_STATUS	0x300
>  #define PCIE_LTSSM_ENABLE_ENHANCE	BIT(4)
> -- 
> 2.25.1
> 

Reviewed-by: Niklas Cassel <cassel@...nel.org>