From 68f81b857563e8f739323385795f1e99b3d2e598 Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Wed, 5 Aug 2020 13:56:11 +0200 Subject: dm: core: Add API to read PCI bus-range property Add dev_read_pci_bus_range() to read bus-range property values Signed-off-by: Stefan Roese Reviewed-by: Simon Glass --- include/dm/read.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'include/dm/read.h') diff --git a/include/dm/read.h b/include/dm/read.h index 0a7aacd2d0..67db94adfc 100644 --- a/include/dm/read.h +++ b/include/dm/read.h @@ -680,6 +680,18 @@ int dev_read_alias_highest_id(const char *stem); */ int dev_get_child_count(const struct udevice *dev); +/** + * dev_read_pci_bus_range - Read PCI bus-range resource + * + * Look at the bus range property of a device node and return the pci bus + * range for this node. + * + * @dev: device to examine + * @res returns the resource + * @return 0 if ok, negative on error + */ +int dev_read_pci_bus_range(const struct udevice *dev, struct resource *res); + #else /* CONFIG_DM_DEV_READ_INLINE is enabled */ static inline int dev_read_u32(const struct udevice *dev, -- cgit