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resource: Add irqresource_disabled()

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[ Upstream commit 9806731db6 ]

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@huawei.com
Stable-dep-of: c1ed72171ed5 ("ACPI: resource: Skip IRQ override on ASUS ExpertBook B1402CBA")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
John Garry
2020-12-02 18:36:54 +08:00
committed by Greg Kroah-Hartman
parent faa9a9d07c
commit 196896455b
1 changed files with 7 additions and 0 deletions
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7
include/linux/ioport.h
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@@ -307,6 +307,13 @@ 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