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SubjectRe: [PATCH v2 1/4] PCI: rcar: remove unused pci_sys_data structure in pcie-rcar
On Fri, Jan 08, 2016 at 10:50:57AM +0900, Simon Horman wrote:
> Hi Phil,
>
> On Tue, Jan 05, 2016 at 01:00:28PM +0000, Phil Edworthy wrote:
> > Commit b3a72384fe29 ("ARM/PCI: Replace pci_sys_data->align_resource
> > with global function pointer") removed the struct pci_sys_data
> > dependency from the ARM pcibios functions, so remove it from this
> > driver.
>
> I am a little confused by this as I still see two instances of
> the following in bios32.c as of the commit above.
>
> struct pci_sys_data *sys = dev->sysdata;

This patch only removes a pci_sys_data struct from pcie-rcar.c. That
struct was previously used by pci_common_init_dev() and by the ARM
pcibios_align_resource().

After cbce7900598c ("PCI: designware: Make driver arch-agnostic"), none of
the DesignWare drivers use pci_common_init_dev(), and after b3a72384fe29,
ARM doesn't need pci_sys_data for pcibios_align_resource().

Phil can correct me if I'm wrong, but I think this patch is probably OK.
I guess we can tell after I apply it and get a build test :)

Bjorn

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