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pci-v4.16-fixes-3

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Merge tag 'pci-v4.16-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI fixes from Bjorn Helgaas:

 - fix sparc build issue when OF_IRQ not enabled (Guenter Roeck)

 - fix enumeration of devices below switches on DesignWare-based
   controllers (Koen Vandeputte)

* tag 'pci-v4.16-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  PCI: dwc: Fix enumeration end when reaching root subordinate
  PCI: Move of_irq_parse_and_map_pci() declaration under OF_IRQ
This commit is contained in:
Linus Torvalds 2018-03-09 13:31:08 -08:00
commit c68a2cf07a
2 changed files with 11 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
drivers/pci/dwc/pcie-designware-host.c
View file

@ -613,7 +613,7 @@ void dw_pcie_setup_rc(struct pcie_port *pp)
/* setup bus numbers */
val = dw_pcie_readl_dbi(pci, PCI_PRIMARY_BUS);
val &= 0xff000000;
val |= 0x00010100;
val |= 0x00ff0100;
dw_pcie_writel_dbi(pci, PCI_PRIMARY_BUS, val);
/* setup command register */

17
include/linux/of_pci.h
View file

@ -13,7 +13,6 @@ struct device_node;
struct device_node *of_pci_find_child_device(struct device_node *parent,
unsigned int devfn);
int of_pci_get_devfn(struct device_node *np);
int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin);
int of_pci_parse_bus_range(struct device_node *node, struct resource *res);
int of_get_pci_domain_nr(struct device_node *node);
int of_pci_get_max_link_speed(struct device_node *node);
@ -33,12 +32,6 @@ static inline int of_pci_get_devfn(struct device_node *np)
return -EINVAL;
}
static inline int
of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin)
{
return 0;
}
static inline int
of_pci_parse_bus_range(struct device_node *node, struct resource *res)
{
@ -67,6 +60,16 @@ of_pci_get_max_link_speed(struct device_node *node)
static inline void of_pci_check_probe_only(void) { }
#endif
#if IS_ENABLED(CONFIG_OF_IRQ)
int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin);
#else
static inline int
of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin)
{
return 0;
}
#endif
#if defined(CONFIG_OF_ADDRESS)
int of_pci_get_host_bridge_resources(struct device_node *dev,
unsigned char busno, unsigned char bus_max,