On Sat, Jan 10, 2015 at 02:34:46AM +0000, Rob Herring wrote:
> Convert the generic host PCI driver to use the generic config access
> functions.
> 
> Signed-off-by: Rob Herring <[email protected]>
> Cc: Will Deacon <[email protected]>
> Cc: Bjorn Helgaas <[email protected]>
> Cc: [email protected]
> Cc: [email protected]
> ---
>  drivers/pci/host/pci-host-generic.c | 51 
> +++----------------------------------
>  1 file changed, 3 insertions(+), 48 deletions(-)

Looks like a fairly straightforward conversion for this driver!

  Acked-by: Will Deacon <[email protected]>

Will

> diff --git a/drivers/pci/host/pci-host-generic.c 
> b/drivers/pci/host/pci-host-generic.c
> index 6eb1aa7..925e29e 100644
> --- a/drivers/pci/host/pci-host-generic.c
> +++ b/drivers/pci/host/pci-host-generic.c
> @@ -76,55 +76,9 @@ static struct gen_pci_cfg_bus_ops gen_pci_cfg_ecam_bus_ops 
> = {
>       .map_bus        = gen_pci_map_cfg_bus_ecam,
>  };
>  
> -static int gen_pci_config_read(struct pci_bus *bus, unsigned int devfn,
> -                             int where, int size, u32 *val)
> -{
> -     void __iomem *addr;
> -     struct pci_sys_data *sys = bus->sysdata;
> -     struct gen_pci *pci = sys->private_data;
> -
> -     addr = pci->cfg.ops->map_bus(bus, devfn, where);
> -
> -     switch (size) {
> -     case 1:
> -             *val = readb(addr);
> -             break;
> -     case 2:
> -             *val = readw(addr);
> -             break;
> -     default:
> -             *val = readl(addr);
> -     }
> -
> -     return PCIBIOS_SUCCESSFUL;
> -}
> -
> -static int gen_pci_config_write(struct pci_bus *bus, unsigned int devfn,
> -                              int where, int size, u32 val)
> -{
> -     void __iomem *addr;
> -     struct pci_sys_data *sys = bus->sysdata;
> -     struct gen_pci *pci = sys->private_data;
> -
> -     addr = pci->cfg.ops->map_bus(bus, devfn, where);
> -
> -     switch (size) {
> -     case 1:
> -             writeb(val, addr);
> -             break;
> -     case 2:
> -             writew(val, addr);
> -             break;
> -     default:
> -             writel(val, addr);
> -     }
> -
> -     return PCIBIOS_SUCCESSFUL;
> -}
> -
>  static struct pci_ops gen_pci_ops = {
> -     .read   = gen_pci_config_read,
> -     .write  = gen_pci_config_write,
> +     .read   = pci_generic_config_read,
> +     .write  = pci_generic_config_write,
>  };
>  
>  static const struct of_device_id gen_pci_of_match[] = {
> @@ -287,6 +241,7 @@ static int gen_pci_probe(struct platform_device *pdev)
>  
>       of_id = of_match_node(gen_pci_of_match, np);
>       pci->cfg.ops = of_id->data;
> +     gen_pci_ops.map_bus = pci->cfg.ops->map_bus;
>       pci->host.dev.parent = dev;
>       INIT_LIST_HEAD(&pci->host.windows);
>       INIT_LIST_HEAD(&pci->resources);
> -- 
> 2.1.0
> 
> 
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