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SubjectRe: [PATCH] PCI/IOV: Add missing prototype for powerpc specific
On Thu, Mar 22, 2018 at 09:33:55PM +0100, Mathieu Malaterre wrote:
> Some prototypes for weak functions were missing for powerpc specific
> functions. Add the missing prototypes to the CONFIG_PCI_IOV block. This
> fixes the following three warnings treated as error when using W=1:
>
> arch/powerpc/kernel/pci-common.c:236:17: error: no previous prototype for ‘pcibios_default_alignment’ [-Werror=missing-prototypes]
> arch/powerpc/kernel/pci-common.c:253:5: error: no previous prototype for ‘pcibios_sriov_enable’ [-Werror=missing-prototypes]
> arch/powerpc/kernel/pci-common.c:261:5: error: no previous prototype for ‘pcibios_sriov_disable’ [-Werror=missing-prototypes]
>
> Also in commit 978d2d683123 ("PCI: Add pcibios_iov_resource_alignment()
> interface") a new function was added but the prototype was located in the
> main header instead of the CONFIG_PCI_IOV specific section. Move this
> function next to the newly added ones.
>
> Signed-off-by: Mathieu Malaterre <malat@debian.org>

Applied to pci/virtualization for v4.17, thanks!

> ---
> include/linux/pci.h | 7 ++++++-
> 1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/include/linux/pci.h b/include/linux/pci.h
> index 024a1beda008..f43b43b9b643 100644
> --- a/include/linux/pci.h
> +++ b/include/linux/pci.h
> @@ -1295,7 +1295,6 @@ unsigned char pci_bus_max_busnr(struct pci_bus *bus);
> void pci_setup_bridge(struct pci_bus *bus);
> resource_size_t pcibios_window_alignment(struct pci_bus *bus,
> unsigned long type);
> -resource_size_t pcibios_iov_resource_alignment(struct pci_dev *dev, int resno);
>
> #define PCI_VGA_STATE_CHANGE_BRIDGE (1 << 0)
> #define PCI_VGA_STATE_CHANGE_DECODES (1 << 1)
> @@ -1923,6 +1922,7 @@ void pcibios_release_device(struct pci_dev *dev);
> void pcibios_penalize_isa_irq(int irq, int active);
> int pcibios_alloc_irq(struct pci_dev *dev);
> void pcibios_free_irq(struct pci_dev *dev);
> +resource_size_t pcibios_default_alignment(void);
>
> #ifdef CONFIG_HIBERNATE_CALLBACKS
> extern struct dev_pm_ops pcibios_pm_ops;
> @@ -1955,6 +1955,11 @@ int pci_sriov_set_totalvfs(struct pci_dev *dev, u16 numvfs);
> int pci_sriov_get_totalvfs(struct pci_dev *dev);
> resource_size_t pci_iov_resource_size(struct pci_dev *dev, int resno);
> void pci_vf_drivers_autoprobe(struct pci_dev *dev, bool probe);
> +
> +/* Arch may override these (weak) */
> +int pcibios_sriov_enable(struct pci_dev *pdev, u16 num_vfs);
> +int pcibios_sriov_disable(struct pci_dev *pdev);
> +resource_size_t pcibios_iov_resource_alignment(struct pci_dev *dev, int resno);
> #else
> static inline int pci_iov_virtfn_bus(struct pci_dev *dev, int id)
> {
> --
> 2.11.0
>

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