[PATCH] ACPI / hotplug: Simplify acpi_set_hp_context()

[Rafael J. Wysocki]

From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>

Since all of the acpi_set_hp_context() callers pass at least one NULL
function pointer and one caller passes NULL function pointers only
to it, drop function pointer arguments from acpi_set_hp_context()
and make the callers initialize the function pointers in struct
acpi_hotplug_context by themselves before passing it to
acpi_set_hp_context().

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
---
 drivers/acpi/scan.c                |    4 +++-
 drivers/pci/hotplug/acpiphp_glue.c |    7 ++++---
 include/acpi/acpi_bus.h            |    8 +-------
 3 files changed, 8 insertions(+), 11 deletions(-)

Index: linux-pm/include/acpi/acpi_bus.h
===================================================================
--- linux-pm.orig/include/acpi/acpi_bus.h
+++ linux-pm/include/acpi/acpi_bus.h
@@ -372,15 +372,9 @@ static inline void acpi_set_device_statu
 }
 
 static inline void acpi_set_hp_context(struct acpi_device *adev,
-				       struct acpi_hotplug_context *hp,
-				       int (*notify)(struct acpi_device *, u32),
-				       void (*uevent)(struct acpi_device *, u32),
-				       void (*fixup)(struct acpi_device *))
+				       struct acpi_hotplug_context *hp)
 {
 	hp->self = adev;
-	hp->notify = notify;
-	hp->uevent = uevent;
-	hp->fixup = fixup;
 	adev->hp = hp;
 }
 
Index: linux-pm/drivers/acpi/scan.c
===================================================================
--- linux-pm.orig/drivers/acpi/scan.c
+++ linux-pm/drivers/acpi/scan.c
@@ -77,7 +77,9 @@ void acpi_initialize_hp_context(struct a
 				void (*uevent)(struct acpi_device *, u32))
 {
 	acpi_lock_hp_context();
-	acpi_set_hp_context(adev, hp, notify, uevent, NULL);
+	hp->notify = notify;
+	hp->uevent = uevent;
+	acpi_set_hp_context(adev, hp);
 	acpi_unlock_hp_context();
 }
 EXPORT_SYMBOL_GPL(acpi_initialize_hp_context);
Index: linux-pm/drivers/pci/hotplug/acpiphp_glue.c
===================================================================
--- linux-pm.orig/drivers/pci/hotplug/acpiphp_glue.c
+++ linux-pm/drivers/pci/hotplug/acpiphp_glue.c
@@ -80,8 +80,9 @@ static struct acpiphp_context *acpiphp_i
 		return NULL;
 
 	context->refcount = 1;
-	acpi_set_hp_context(adev, &context->hp, acpiphp_hotplug_notify, NULL,
-			    acpiphp_post_dock_fixup);
+	context->hp.notify = acpiphp_hotplug_notify;
+	context->hp.fixup = acpiphp_post_dock_fixup;
+	acpi_set_hp_context(adev, &context->hp);
 	return context;
 }
 
@@ -876,7 +877,7 @@ void acpiphp_enumerate_slots(struct pci_
 			goto err;
 
 		root_context->root_bridge = bridge;
-		acpi_set_hp_context(adev, &root_context->hp, NULL, NULL, NULL);
+		acpi_set_hp_context(adev, &root_context->hp);
 	} else {
 		struct acpiphp_context *context;
 

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