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| author | Marc Zyngier <maz@kernel.org> | 2021-09-29 19:38:34 +0300 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2021-11-04 22:14:24 +0300 |
| commit | 0ab8d0f6ae3f1234e38eaedc3ff7c22bfdf7f78c (patch) | |
| tree | 3a1edc1ded04fe236b54c5cdd8522ac0d2d7db8f /include/linux/irqdomain.h | |
| parent | e4e737bb5c170df6135a127739a9e6148ee3da82 (diff) | |
| download | linux-0ab8d0f6ae3f1234e38eaedc3ff7c22bfdf7f78c.tar.xz | |
irqdomain: Make of_phandle_args_to_fwspec() generally available
of_phandle_args_to_fwspec() can be generally useful to code extracting a DT
of_phandle and using an irq_fwspec to use the hierarchical irqdomain API.
Make it visible to the rest of the kernel, including modules.
Link: https://lore.kernel.org/r/20210929163847.2807812-2-maz@kernel.org
Tested-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'include/linux/irqdomain.h')
| -rw-r--r-- | include/linux/irqdomain.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h index 23e4ee523576..cfd442316f39 100644 --- a/include/linux/irqdomain.h +++ b/include/linux/irqdomain.h @@ -64,6 +64,10 @@ struct irq_fwspec { u32 param[IRQ_DOMAIN_IRQ_SPEC_PARAMS]; }; +/* Conversion function from of_phandle_args fields to fwspec */ +void of_phandle_args_to_fwspec(struct device_node *np, const u32 *args, + unsigned int count, struct irq_fwspec *fwspec); + /* * Should several domains have the same device node, but serve * different purposes (for example one domain is for PCI/MSI, and the |