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authorYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>2023-09-26 15:24:22 +0300
committerKrzysztof Wilczyński <kwilczynski@kernel.org>2023-10-23 15:39:17 +0300
commit303e845351f5d2b4ff349bb3e59aba2b554d8229 (patch)
treeb1b6b479efdb862d12c0c23cce19b2303ac3a04e
parent2066b41a2ef83937f70a84927cbbcc969528b867 (diff)
downloadlinux-303e845351f5d2b4ff349bb3e59aba2b554d8229.tar.xz
PCI: dwc: Expose dw_pcie_write_dbi2() to module
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: ERROR: modpost: "dw_pcie_write_dbi2" [drivers/pci/controller/dwc/pcie-rcar-gen4-host-drv.ko] undefined! So, expose dw_pcie_write_dbi2() for it. Link: https://lore.kernel.org/linux-pci/20230926122431.3974714-8-yoshihiro.shimoda.uh@renesas.com Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org> Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
-rw-r--r--drivers/pci/controller/dwc/pcie-designware.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/pci/controller/dwc/pcie-designware.c b/drivers/pci/controller/dwc/pcie-designware.c
index 1f900be94556..250cf7f40b85 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)