Am Donnerstag, den 24.07.2014, 11:17 +0200 schrieb Arnd Bergmann: > From 0ee79c7451851a34e5a7c33eb6020befcdcb2b24 Mon Sep 17 00:00:00 2001 > From: Arnd Bergmann <arnd@xxxxxxxx> > Date: Thu, 24 Jul 2014 11:12:48 +0200 > Subject: [PATCH] PCI: pcie-designware: allow drivers as loadable modules > > The new pcie-spear13xx driver uses the pcie-designware library > and in the current form it can be built as a loadable module. > However, the functions it uses from the base driver are not exported, > so this results in a build failure and a module that can never > be loaded: > > ERROR: "dw_pcie_host_init" [drivers/pci/host/pcie-spear13xx.ko] undefined! > ERROR: "dw_handle_msi_irq" [drivers/pci/host/pcie-spear13xx.ko] undefined! > ERROR: "dw_pcie_msi_init" [drivers/pci/host/pcie-spear13xx.ko] undefined! > ERROR: "dw_pcie_cfg_write" [drivers/pci/host/pcie-spear13xx.ko] undefined! > ERROR: "dw_pcie_cfg_read" [drivers/pci/host/pcie-spear13xx.ko] undefined! > ERROR: "dw_pcie_setup_rc" [drivers/pci/host/pcie-spear13xx.ko] undefined! > ERROR: "dw_pcie_link_up" [drivers/pci/host/pcie-spear13xx.ko] undefined! > > If we want to allow loadable pcie-designware drivers, we have to > export all those symbols and ensure none of them are marked as __init. > This also requires making pci_assign_unassigned_resources available > after boot. My series "PCI: designware: init order/resource alloc fixes" removes this function call from pcie-designware, so if it get's accepted this should not be necessary. Regards, Lucas -- Pengutronix e.K. | Lucas Stach | Industrial Linux Solutions | http://www.pengutronix.de/ | -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
