PCI: Export pci_rebar_get_possible_sizes()
Export pci_rebar_get_possible_sizes() for use by modular drivers.
Signed-off-by: Darren Salt <devspam@moreofthesa.me.uk>
Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://patchwork.kernel.org/project/dri-devel/patch/20210107175017.15893-2-nirmoy.das@amd.com
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index b9fecc2..8d1aec3 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -3605,6 +3605,7 @@ u32 pci_rebar_get_possible_sizes(struct pci_dev *pdev, int bar)
pci_read_config_dword(pdev, pos + PCI_REBAR_CAP, &cap);
return (cap & PCI_REBAR_CAP_SIZES) >> 4;
}
+EXPORT_SYMBOL(pci_rebar_get_possible_sizes);
/**
* pci_rebar_get_current_size - get the current size of a BAR
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 5c59365..8f130f9 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -630,7 +630,6 @@ int acpi_get_rc_resources(struct device *dev, const char *hid, u16 segment,
struct resource *res);
#endif
-u32 pci_rebar_get_possible_sizes(struct pci_dev *pdev, int bar);
int pci_rebar_get_current_size(struct pci_dev *pdev, int bar);
int pci_rebar_set_size(struct pci_dev *pdev, int bar, int size);
static inline u64 pci_rebar_size_to_bytes(int size)