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device property: Add fwnode_irq_get_byname

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Add fwnode_irq_get_byname() to get an interrupt by name from either
ACPI table or Device Tree, whichever is used for enumeration.

In the ACPI case, this allow us to use 'interrupt-names' in
_DSD which can be mapped to Interrupt() resource by index.
The implementation is similar to 'interrupt-names' in the
Device Tree.

Signed-off-by: Akhil R <akhilrajeev@nvidia.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
This commit is contained in:
Akhil R
2022-01-28 17:14:25 +05:30
committed by Wolfram Sang
parent e783362eb5
commit ca0acb511c
2 changed files with 30 additions and 0 deletions
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include/linux/property.h
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@@ -121,6 +121,7 @@ struct fwnode_handle *fwnode_handle_get(struct fwnode_handle *fwnode);
void fwnode_handle_put(struct fwnode_handle *fwnode);
int fwnode_irq_get(const struct fwnode_handle *fwnode, unsigned int index);
int fwnode_irq_get_byname(const struct fwnode_handle *fwnode, const char *name);
void __iomem *fwnode_iomap(struct fwnode_handle *fwnode, int index);