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resource: Add irqresource_disabled() 

ANBZ: #11194

commit 805c2dd5acff43cae32565ace68ecc8f681860f7 openeuler

mainline inclusion
from mainline-master
commit 9806731db6
category: bugfix
bugzilla: 175270
CVE: NA

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=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@huawei.com
Reviewed-by: Ouyangdelong <ouyangdelong@huawei.com>
Signed-off-by: Nifujia <nifujia1@hisilicon.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>
Signed-off-by: Slim6882 <yangjunshuo@huawei.com>
Signed-off-by: Min Li <gumi@linux.alibaba.com>
Reviewed-by: Guixin Liu <kanie@linux.alibaba.com>
Acked-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Reviewed-by: Xunlei Pang <xlpang@linux.alibaba.com>
Link: https://gitee.com/anolis/cloud-kernel/pulls/4229
This commit is contained in:
John Garry 2021-08-03 14:47:31 +08:00 committed by 小龙
parent 0e518b8f7f
commit 224864ec66
1 changed files with 7 additions and 0 deletions
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7
include/linux/ioport.h
View File

@ -314,6 +314,13 @@ 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