Re: [RFC/PATCH 2/4] PCI: Export PCI ACS and DMA searching functions to modules

Bjorn Helgaas
2019-05-22T21:00:41Z

On Fri, May 17, 2019 at 11:47:35AM -0700, Isaac J. Manjarres wrote:
> IOMMU drivers that can be compiled as modules may
> want to use pci_for_each_dma_alias() and pci_request_acs(),
> so export those functions.
>
> Signed-off-by: Isaac J. Manjarres <isaacm@codeaurora.org>

Acked-by: Bjorn Helgaas <bhelgaas@google.com>

> ---
> drivers/pci/pci.c | 1 +
> drivers/pci/search.c | 1 +
> 2 files changed, 2 insertions(+)
>
> diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
> index 766f577..3f354c1 100644
> --- a/drivers/pci/pci.c
> +++ b/drivers/pci/pci.c
> @@ -3124,6 +3124,7 @@ void pci_request_acs(void)
> {
> pci_acs_enable = 1;
> }
> +EXPORT_SYMBOL_GPL(pci_request_acs);
>
> static const char *disable_acs_redir_param;
>
> diff --git a/drivers/pci/search.c b/drivers/pci/search.c
> index 2b5f720..cf9ede9 100644
> --- a/drivers/pci/search.c
> +++ b/drivers/pci/search.c
> @@ -111,6 +111,7 @@ int pci_for_each_dma_alias(struct pci_dev *pdev,
>
> return ret;
> }
> +EXPORT_SYMBOL_GPL(pci_for_each_dma_alias);
>
> static struct pci_bus *pci_do_find_bus(struct pci_bus *bus, unsigned char busnr)
> {
> --
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>