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Date: Mon, 17 Mar 2014 17:38:21 +0000 From: Catalin Marinas <catalin.marinas@....com> To: Arnd Bergmann <arnd@...db.de>, linux-pci <linux-pci@...r.kernel.org>, Bjorn Helgaas <bhelgaas@...gle.com>, Will Deacon <Will.Deacon@....com>, Benjamin Herrenschmidt <benh@...nel.crashing.org>, linaro-kernel <linaro-kernel@...ts.linaro.org>, LKML <linux-kernel@...r.kernel.org>, "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>, LAKML <linux-arm-kernel@...ts.infradead.org>, Tanmay Inamdar <tinamdar@....com>, Grant Likely <grant.likely@...retlab.ca> Subject: Re: [PATCH v7 3/3] arm64: Add architecture support for PCI On Fri, Mar 14, 2014 at 06:05:27PM +0000, Liviu Dudau wrote: > On Fri, Mar 14, 2014 at 05:38:08PM +0000, Arnd Bergmann wrote: > > On Friday 14 March 2014, Catalin Marinas wrote: > > > On Fri, Mar 14, 2014 at 03:34:18PM +0000, Liviu Dudau wrote: > > > > --- /dev/null > > > > +++ b/arch/arm64/kernel/pci.c > > > [...] > > > > +int pci_register_io_range(phys_addr_t address, resource_size_t size) > > > [...] > > > > +unsigned long pci_address_to_pio(phys_addr_t address) > > > [...] > > > > +void pcibios_fixup_bus(struct pci_bus *bus) > > > [ actually most of this file ] > > > > > > Maybe it was raised before already but can we have __weak generic > > > definitions of these functions? They don't seem to be arm64 specific in > > > any way. [...] > Catalin, if you are happy to ask for ACKs from all arch maintainers that might get > affected by our custom version of pci_address_to_pio() before you can pull PCI support > for arm64 then I can propose a new patchset. You don't need to change the other architectures, that's the point of a __weak definition, it will be automatically overridden. If you want, you can even place a GENERIC_PCI or whatever config option that is only selected by arm64 for the time being. -- Catalin -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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