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author | Jiri Kosina <jkosina@suse.cz> | 2022-01-10 09:49:13 +0100 |
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committer | Jiri Kosina <jkosina@suse.cz> | 2022-01-10 09:49:13 +0100 |
commit | 8a2094d679d921d104d3296528d4fa419702ce1c (patch) | |
tree | 5feeb2f8b94eb3632109b778276ccd1007486770 /drivers/pci/of.c | |
parent | 3809fe479861194e310c23ed48b010c7c0f72d22 (diff) | |
parent | b60d3c803d7603432a08aeaf988aff53b3a5ec64 (diff) |
Merge branch 'for-5.17/core' into for-linus
- support for USI style pens (Tero Kristo, Mika Westerberg)
- quirk for devices that need inverted X/Y axes (Alistair Francis)
- small core code cleanups and deduplication (Benjamin Tissoires)
Diffstat (limited to 'drivers/pci/of.c')
-rw-r--r-- | drivers/pci/of.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/pci/of.c b/drivers/pci/of.c index d84381ce82b5..0b1237cff239 100644 --- a/drivers/pci/of.c +++ b/drivers/pci/of.c @@ -423,7 +423,7 @@ failed: */ static int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq) { - struct device_node *dn, *ppnode; + struct device_node *dn, *ppnode = NULL; struct pci_dev *ppdev; __be32 laddr[3]; u8 pin; @@ -452,8 +452,14 @@ static int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args * if (pin == 0) return -ENODEV; + /* Local interrupt-map in the device node? Use it! */ + if (of_get_property(dn, "interrupt-map", NULL)) { + pin = pci_swizzle_interrupt_pin(pdev, pin); + ppnode = dn; + } + /* Now we walk up the PCI tree */ - for (;;) { + while (!ppnode) { /* Get the pci_dev of our parent */ ppdev = pdev->bus->self; |