linux-kernel - [PATCH v3 2/5] ACPI: Make acpi_dev_irqresource

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Date:   Thu, 26 Nov 2020 01:20:38 +0800
From:   John Garry <john.garry@...wei.com>
To:     <jejb@...ux.ibm.com>, <martin.petersen@...cle.com>,
        <lenb@...nel.org>, <rjw@...ysocki.net>,
        <gregkh@...uxfoundation.org>, <tglx@...utronix.de>
CC:     <linux-scsi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linuxarm@...wei.com>, <linux-acpi@...r.kernel.org>,
        <maz@...nel.org>, "John Garry" <john.garry@...wei.com>
Subject: [PATCH v3 2/5] ACPI: Make acpi_dev_irqresource_disabled() public

To allow the platform device to "put" an irq, make the function to reset
an ACPI companion device irq resource public.

Signed-off-by: John Garry <john.garry@...wei.com>
---
 drivers/acpi/resource.c | 2 +-
 include/linux/acpi.h    | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
index ad04824ca3ba..0999a98cab3c 100644
--- a/drivers/acpi/resource.c
+++ b/drivers/acpi/resource.c
@@ -380,7 +380,7 @@ unsigned int acpi_dev_get_irq_type(int triggering, int polarity)
 }
 EXPORT_SYMBOL_GPL(acpi_dev_get_irq_type);
 
-static void acpi_dev_irqresource_disabled(struct resource *res, u32 gsi)
+void acpi_dev_irqresource_disabled(struct resource *res, u32 gsi)
 {
 	res->start = gsi;
 	res->end = gsi;
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 39263c6b52e1..d5101e36a645 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -467,6 +467,7 @@ bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
 					 struct resource_win *win);
 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
 unsigned int acpi_dev_get_irq_type(int triggering, int polarity);
+void acpi_dev_irqresource_disabled(struct resource *res, u32 gsi);
 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
 				 struct resource *res);
 
@@ -939,6 +940,10 @@ static inline struct acpi_device *acpi_resource_consumer(struct resource *res)
 	return NULL;
 }
 
+static inline void acpi_dev_irqresource_disabled(struct resource *res, u32 gsi)
+{
+}
+
 #endif	/* !CONFIG_ACPI */
 
 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
-- 
2.26.2