5.4-stable review patch. If anyone has any objections, please let me know.
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From: John Garry john.garry@huawei.com
[ Upstream commit 9806731db684a475ade1e95d166089b9edbd9da3 ]
Add a common function to set the fields for a irq resource to disabled, which mimics what is done in acpi_dev_irqresource_disabled(), with a view to replace that function.
Signed-off-by: John Garry john.garry@huawei.com Signed-off-by: Marc Zyngier maz@kernel.org Reviewed-by: Rafael J. Wysocki rafael.j.wysocki@intel.com Link: https://lore.kernel.org/r/1606905417-183214-3-git-send-email-john.garry@huaw... Stable-dep-of: c1ed72171ed5 ("ACPI: resource: Skip IRQ override on ASUS ExpertBook B1402CBA") Signed-off-by: Sasha Levin sashal@kernel.org --- include/linux/ioport.h | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/include/linux/ioport.h b/include/linux/ioport.h index fdc201d614607..d94db8d6df52a 100644 --- a/include/linux/ioport.h +++ b/include/linux/ioport.h @@ -300,6 +300,13 @@ struct resource *devm_request_free_mem_region(struct device *dev, struct resource *request_free_mem_region(struct resource *base, unsigned long size, const char *name);
+static inline void irqresource_disabled(struct resource *res, u32 irq) +{ + res->start = irq; + res->end = irq; + res->flags = IORESOURCE_IRQ | IORESOURCE_DISABLED | IORESOURCE_UNSET; +} + #ifdef CONFIG_IO_STRICT_DEVMEM void revoke_devmem(struct resource *res); #else