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author | Kishon Vijay Abraham I <kishon@ti.com> | 2019-03-25 15:09:37 +0530 |
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committer | Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> | 2019-04-15 13:24:02 +0100 |
commit | 40e5d614a0cdbf50dc3caa7eb10bd838edcb3ba5 (patch) | |
tree | 599f30eb86f635b222f836014a43bc4ed2a28a88 /drivers/pci/of.c | |
parent | b22af42b3e57c3a49a4c4a54c7d8a1363af75e90 (diff) | |
download | linux-40e5d614a0cdbf50dc3caa7eb10bd838edcb3ba5.tar.gz linux-40e5d614a0cdbf50dc3caa7eb10bd838edcb3ba5.tar.bz2 linux-40e5d614a0cdbf50dc3caa7eb10bd838edcb3ba5.zip |
PCI: OF: Allow of_pci_get_max_link_speed() to be used by PCI Endpoint drivers
of_pci_get_max_link_speed() is built only if CONFIG_PCI is enabled.
Make of_pci_get_max_link_speed() to be also used by PCI Endpoint
controllers with just CONFIG_PCI_ENDPOINT enabled.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci/of.c')
-rw-r--r-- | drivers/pci/of.c | 44 |
1 files changed, 23 insertions, 21 deletions
diff --git a/drivers/pci/of.c b/drivers/pci/of.c index 3d32da15c215..8095933f8452 100644 --- a/drivers/pci/of.c +++ b/drivers/pci/of.c @@ -15,6 +15,7 @@ #include <linux/of_pci.h> #include "pci.h" +#ifdef CONFIG_PCI void pci_set_of_node(struct pci_dev *dev) { if (!dev->bus->dev.of_node) @@ -197,27 +198,6 @@ int of_get_pci_domain_nr(struct device_node *node) EXPORT_SYMBOL_GPL(of_get_pci_domain_nr); /** - * This function will try to find the limitation of link speed by finding - * a property called "max-link-speed" of the given device node. - * - * @node: device tree node with the max link speed information - * - * Returns the associated max link speed from DT, or a negative value if the - * required property is not found or is invalid. - */ -int of_pci_get_max_link_speed(struct device_node *node) -{ - u32 max_link_speed; - - if (of_property_read_u32(node, "max-link-speed", &max_link_speed) || - max_link_speed > 4) - return -EINVAL; - - return max_link_speed; -} -EXPORT_SYMBOL_GPL(of_pci_get_max_link_speed); - -/** * of_pci_check_probe_only - Setup probe only mode if linux,pci-probe-only * is present and valid */ @@ -537,3 +517,25 @@ int pci_parse_request_of_pci_ranges(struct device *dev, return err; } +#endif /* CONFIG_PCI */ + +/** + * This function will try to find the limitation of link speed by finding + * a property called "max-link-speed" of the given device node. + * + * @node: device tree node with the max link speed information + * + * Returns the associated max link speed from DT, or a negative value if the + * required property is not found or is invalid. + */ +int of_pci_get_max_link_speed(struct device_node *node) +{ + u32 max_link_speed; + + if (of_property_read_u32(node, "max-link-speed", &max_link_speed) || + max_link_speed > 4) + return -EINVAL; + + return max_link_speed; +} +EXPORT_SYMBOL_GPL(of_pci_get_max_link_speed); |