linux-kernel - [PATCH 9/30] ACPI / hotplug / PCI: Drop func field from struct acpiphp

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Date:	Thu, 18 Jul 2013 01:21:29 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	ACPI Devel Maling List <linux-acpi@...r.kernel.org>
Cc:	Bjorn Helgaas <bhelgaas@...gle.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Linux PCI <linux-pci@...r.kernel.org>,
	Yinghai Lu <yinghai@...nel.org>, Jiang Liu <liuj97@...il.com>,
	Mika Westerberg <mika.westerberg@...ux.intel.com>,
	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
Subject: [PATCH 9/30] ACPI / hotplug / PCI: Drop func field from struct acpiphp_bridge

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

Since the func pointer in struct acpiphp_context can always be used
instead of the func pointer in struct acpiphp_bridge, drop the
latter.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
---
 drivers/pci/hotplug/acpiphp.h      |    2 --
 drivers/pci/hotplug/acpiphp_glue.c |    3 +--
 2 files changed, 1 insertion(+), 4 deletions(-)

Index: linux-pm/drivers/pci/hotplug/acpiphp.h
===================================================================
--- linux-pm.orig/drivers/pci/hotplug/acpiphp.h
+++ linux-pm/drivers/pci/hotplug/acpiphp.h
@@ -79,8 +79,6 @@ struct acpiphp_bridge {
 	acpi_handle handle;
 
 	struct acpiphp_context *context;
-	/* Ejectable PCI-to-PCI bridge (PCI bridge and PCI function) */
-	struct acpiphp_func *func;
 
 	int nr_slots;
 
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
@@ -181,7 +181,7 @@ static void free_bridge(struct kref *kre
 	context = bridge->context;
 	/* Release the reference acquired by acpiphp_enumerate_slots(). */
 	if (context->handler_for_func)
-		put_bridge(bridge->func->slot->bridge);
+		put_bridge(context->func->slot->bridge);
 
 	put_device(&bridge->pci_bus->dev);
 	pci_dev_put(bridge->pci_dev);
@@ -1212,7 +1212,6 @@ void acpiphp_enumerate_slots(struct pci_
 	}
 	if (context->handler_for_func) {
 		/* Notify handler already installed. */
-		bridge->func = context->func;
 		get_bridge(context->func->slot->bridge);
 		return;
 	}

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