On Thu, Nov 24, 2011 at 10:19:54PM +0200, Michael S. Tsirkin wrote:
> powerpc copied pci_iomap from generic code, probably to avoid
> pulling the rest of iomap.c in. Since that's in
> a separate file now, we can reuse the common implementation.
>
> The only difference is handling of nocache flag,
> that turns out to be done correctly by the
> generic code since arch/powerpc/include/asm/io.h
> defines ioremap_nocache same as ioremap.
>
> Signed-off-by: Michael S. Tsirkin <m...@redhat.com>
Sorry to nag, any ACKs/NACKs on the powerpc changes?
I intend to send this to Linus if there are no
objections. Thanks!
> ---
> arch/powerpc/Kconfig | 1 +
> arch/powerpc/kernel/iomap.c | 19 -------------------
> 2 files changed, 1 insertions(+), 19 deletions(-)
>
> diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
> index 951e18f..6ffe3df 100644
> --- a/arch/powerpc/Kconfig
> +++ b/arch/powerpc/Kconfig
> @@ -710,6 +710,7 @@ config PCI
> default PCI_PERMEDIA if !4xx && !CPM2 && !8xx
> default PCI_QSPAN if !4xx && !CPM2 && 8xx
> select ARCH_SUPPORTS_MSI
> + select GENERIC_PCI_IOMAP
> help
> Find out whether your system includes a PCI bus. PCI is the name of
> a bus system, i.e. the way the CPU talks to the other stuff inside
> diff --git a/arch/powerpc/kernel/iomap.c b/arch/powerpc/kernel/iomap.c
> index 2627918..97a3715 100644
> --- a/arch/powerpc/kernel/iomap.c
> +++ b/arch/powerpc/kernel/iomap.c
> @@ -119,24 +119,6 @@ EXPORT_SYMBOL(ioport_map);
> EXPORT_SYMBOL(ioport_unmap);
>
> #ifdef CONFIG_PCI
> -void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max)
> -{
> - resource_size_t start = pci_resource_start(dev, bar);
> - resource_size_t len = pci_resource_len(dev, bar);
> - unsigned long flags = pci_resource_flags(dev, bar);
> -
> - if (!len)
> - return NULL;
> - if (max && len > max)
> - len = max;
> - if (flags & IORESOURCE_IO)
> - return ioport_map(start, len);
> - if (flags & IORESOURCE_MEM)
> - return ioremap(start, len);
> - /* What? */
> - return NULL;
> -}
> -
> void pci_iounmap(struct pci_dev *dev, void __iomem *addr)
> {
> if (isa_vaddr_is_ioport(addr))
> @@ -146,6 +128,5 @@ void pci_iounmap(struct pci_dev *dev, void __iomem *addr)
> iounmap(addr);
> }
>
> -EXPORT_SYMBOL(pci_iomap);
> EXPORT_SYMBOL(pci_iounmap);
> #endif /* CONFIG_PCI */
> --
> 1.7.5.53.gc233e
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