Re: [PATCH v20 11/19] PCI: dwc: Expose dw_pcie_write_dbi2() to module

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On Fri, Aug 25, 2023 at 06:32:11PM +0900, Yoshihiro Shimoda wrote:
> Since no PCIe controller drivers call this, this change is not required
> for now. But, Renesas R-Car Gen4 PCIe controller driver will call this
> and if the controller driver is built as a kernel module, the following
> build error happens. So, expose dw_pcie_write_dbi2() for it.
> 
> ERROR: modpost: "dw_pcie_write_dbi2" [drivers/pci/controller/dwc/pcie-rcar-gen4-host-drv.ko] undefined!
> 
> Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>

Reviewed-by: Serge Semin <fancer.lancer@xxxxxxxxx>

-Serge(y)

> ---
>  drivers/pci/controller/dwc/pcie-designware.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/pci/controller/dwc/pcie-designware.c b/drivers/pci/controller/dwc/pcie-designware.c
> index 4812ce040f1e..0251fa1357f9 100644
> --- a/drivers/pci/controller/dwc/pcie-designware.c
> +++ b/drivers/pci/controller/dwc/pcie-designware.c
> @@ -365,6 +365,7 @@ void dw_pcie_write_dbi2(struct dw_pcie *pci, u32 reg, size_t size, u32 val)
>  	if (ret)
>  		dev_err(pci->dev, "write DBI address failed\n");
>  }
> +EXPORT_SYMBOL_GPL(dw_pcie_write_dbi2);
>  
>  static inline void __iomem *dw_pcie_select_atu(struct dw_pcie *pci, u32 dir,
>  					       u32 index)
> -- 
> 2.25.1
> 



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