linux-kernel - [PATCH 10/16] ACPI: Drop the second argument of acpi_bus

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Message-ID: <1376356.7D4mTuYmxW@vostro.rjw.lan>
Date:	Thu, 20 Dec 2012 02:54:47 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	ACPI Devel Maling List <linux-acpi@...r.kernel.org>
Cc:	Toshi Kani <toshi.kani@...com>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	LKML <linux-kernel@...r.kernel.org>, linux-pci@...r.kernel.org,
	Yinghai Lu <yinghai@...nel.org>,
	Myron Stowe <myron.stowe@...hat.com>,
	Yijing Wang <wangyijing0307@...il.com>,
	Jiang Liu <liuj97@...il.com>
Subject: [PATCH 10/16] ACPI: Drop the second argument of acpi_bus_scan()

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

After the removal of acpi_start_single_object() and acpi_bus_start()
the second argument of acpi_bus_scan() is not necessary any more,
so drop it and update acpi_bus_check_add() accordingly.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
Acked-by: Yinghai Lu <yinghai@...nel.org>
---
 drivers/acpi/scan.c |   18 ++++++++----------
 1 file changed, 8 insertions(+), 10 deletions(-)

Index: linux/drivers/acpi/scan.c
===================================================================
--- linux.orig/drivers/acpi/scan.c
+++ linux/drivers/acpi/scan.c
@@ -1592,8 +1592,8 @@ static int acpi_bus_type_and_status(acpi
 	return 0;
 }
 
-static acpi_status acpi_bus_check_add(acpi_handle handle, u32 lvl,
-				      void *context, void **return_value)
+static acpi_status acpi_bus_check_add(acpi_handle handle, u32 lvl_not_used,
+				      void *not_used, void **return_value)
 {
 	struct acpi_device *device = NULL;
 	int type;
@@ -1625,7 +1625,7 @@ static acpi_status acpi_bus_check_add(ac
 	if (!device)
 		return AE_CTRL_DEPTH;
 
-	device->add_type = context ? ACPI_BUS_ADD_START : ACPI_BUS_ADD_MATCH;
+	device->add_type = ACPI_BUS_ADD_START;
 	acpi_hot_add_bind(device);
 
  out:
@@ -1662,18 +1662,16 @@ static acpi_status acpi_bus_device_attac
 	return status;
 }
 
-static int acpi_bus_scan(acpi_handle handle, bool start,
-			 struct acpi_device **child)
+static int acpi_bus_scan(acpi_handle handle, struct acpi_device **child)
 {
 	void *device = NULL;
 	acpi_status status;
 	int ret = -ENODEV;
 
-	status = acpi_bus_check_add(handle, 0, (void *)start, &device);
+	status = acpi_bus_check_add(handle, 0, NULL, &device);
 	if (ACPI_SUCCESS(status))
 		acpi_walk_namespace(ACPI_TYPE_ANY, handle, ACPI_UINT32_MAX,
-				    acpi_bus_check_add, NULL, (void *)start,
-				    &device);
+				    acpi_bus_check_add, NULL, NULL, &device);
 
 	if (!device)
 		goto out;
@@ -1717,7 +1715,7 @@ int acpi_bus_add(acpi_handle handle, str
 {
 	int err;
 
-	err = acpi_bus_scan(handle, false, ret);
+	err = acpi_bus_scan(handle, ret);
 	if (err)
 		return err;
 
@@ -1823,7 +1821,7 @@ int __init acpi_scan_init(void)
 	/*
 	 * Enumerate devices in the ACPI namespace.
 	 */
-	result = acpi_bus_scan(ACPI_ROOT_OBJECT, true, &acpi_root);
+	result = acpi_bus_scan(ACPI_ROOT_OBJECT, &acpi_root);
 
 	if (!result)
 		result = acpi_bus_scan_fixed();

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