Re: [PATCH 4/5] drivers/pci: make host/pci-keystone-dw.c modular

From: Arnd Bergmann
Date: Mon Feb 08 2016 - 05:00:14 EST


On Sunday 07 February 2016 19:00:43 Paul Gortmaker wrote:
> Export the symbols that this driver requires in order for it to
> be modular. In addition to the one use case of a dw_pci sym, it
> has many instances of its own ks_dw_pci syms that need exporting
> in order to modpost w/o error.
>
> Cc: Murali Karicheri <m-karicheri2@xxxxxx>
> Cc: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
> Cc: Stanimir Varbanov <svarbanov@xxxxxxxxxx>
> Cc: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> Cc: Thierry Reding <thierry.reding@xxxxxxxxx>
> Cc: Arnd Bergmann <arnd@xxxxxxxx>
> Cc: linux-pci@xxxxxxxxxxxxxxx
> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> Signed-off-by: Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx>
> ---


Could we just have one module for the driver instead of two?

Something like below (untested)

Arnd

diff --git a/drivers/pci/host/Makefile b/drivers/pci/host/Makefile
index 7b2f20c6ccc6..0b472c680348 100644
--- a/drivers/pci/host/Makefile
+++ b/drivers/pci/host/Makefile
@@ -8,7 +8,8 @@ obj-$(CONFIG_PCI_RCAR_GEN2) += pci-rcar-gen2.o
obj-$(CONFIG_PCI_RCAR_GEN2_PCIE) += pcie-rcar.o
obj-$(CONFIG_PCI_HOST_GENERIC) += pci-host-generic.o
obj-$(CONFIG_PCIE_SPEAR13XX) += pcie-spear13xx.o
-obj-$(CONFIG_PCI_KEYSTONE) += pci-keystone-dw.o pci-keystone.o
+obj-$(CONFIG_PCI_KEYSTONE) pci-keystone-mod.o
+pci-keystone-mod-objs := pci-keystone-dw.o pci-keystone.o
obj-$(CONFIG_PCIE_XILINX) += pcie-xilinx.o
obj-$(CONFIG_PCI_XGENE) += pci-xgene.o
obj-$(CONFIG_PCI_XGENE_MSI) += pci-xgene-msi.o