On Wed, Jul 31, 2024 at 02:34:54PM +0200, Philipp Stanner wrote:
> In order to remove the deprecated function
> pcim_iomap_regions_request_all(), a few drivers need an interface to
> request all BARs a PCI-Device offers.
>
> Make pcim_request_all_regions() a public interface.
pcim_iomap_regions_request_all() is only used by a dozen or so
drivers. Can we convert them all at once to consolidate reviewing
them? Or are the others harder so we have to do this piece-meal?
> Signed-off-by: Philipp Stanner <pstanner@xxxxxxxxxx>
> ---
> drivers/pci/devres.c | 3 ++-
> include/linux/pci.h | 1 +
> 2 files changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/pci/devres.c b/drivers/pci/devres.c
> index 3780a9f9ec00..0ec2b23e6cac 100644
> --- a/drivers/pci/devres.c
> +++ b/drivers/pci/devres.c
> @@ -932,7 +932,7 @@ static void pcim_release_all_regions(struct pci_dev *pdev)
> * desired, release individual regions with pcim_release_region() or all of
> * them at once with pcim_release_all_regions().
> */
> -static int pcim_request_all_regions(struct pci_dev *pdev, const char *name)
> +int pcim_request_all_regions(struct pci_dev *pdev, const char *name)
> {
> int ret;
> int bar;
> @@ -950,6 +950,7 @@ static int pcim_request_all_regions(struct pci_dev *pdev, const char *name)
>
> return ret;
> }
> +EXPORT_SYMBOL(pcim_request_all_regions);
>
> /**
> * pcim_iomap_regions_request_all - Request all BARs and iomap specified ones
> diff --git a/include/linux/pci.h b/include/linux/pci.h
> index 4cf89a4b4cbc..5b5856ba63e1 100644
> --- a/include/linux/pci.h
> +++ b/include/linux/pci.h
> @@ -2289,6 +2289,7 @@ static inline void pci_fixup_device(enum pci_fixup_pass pass,
> struct pci_dev *dev) { }
> #endif
>
> +int pcim_request_all_regions(struct pci_dev *pdev, const char *name);
> void __iomem *pcim_iomap(struct pci_dev *pdev, int bar, unsigned long maxlen);
> void pcim_iounmap(struct pci_dev *pdev, void __iomem *addr);
> void __iomem * const *pcim_iomap_table(struct pci_dev *pdev);
> --
> 2.45.2
>
