linux-kernel - [PATCH 1/3] PCI/ACPI: Make acpi_pci_osc_control

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Date:   Tue, 26 Jan 2021 16:03:09 -0600
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     "Rafael J . Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>
Cc:     Sinan Kaya <okaya@...nel.org>,
        Yicong Yang <yangyicong@...ilicon.com>,
        Sean V Kelley <sean.v.kelley@...el.com>,
        linux-pci@...r.kernel.org, linux-acpi@...r.kernel.org,
        linux-kernel@...r.kernel.org, Bjorn Helgaas <bhelgaas@...gle.com>
Subject: [PATCH 1/3] PCI/ACPI: Make acpi_pci_osc_control_set() static

From: Bjorn Helgaas <bhelgaas@...gle.com>

acpi_pci_osc_control_set() is only called from pci_root.c, so stop
exporting it and make it static.

Signed-off-by: Bjorn Helgaas <bhelgaas@...gle.com>
---
 drivers/acpi/pci_root.c | 3 +--
 include/linux/acpi.h    | 3 ---
 2 files changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index ff7882afeb29..51dec352b8b8 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -353,7 +353,7 @@ EXPORT_SYMBOL_GPL(acpi_get_pci_dev);
  * _OSC bits the BIOS has granted control of, but its contents are meaningless
  * on failure.
  **/
-acpi_status acpi_pci_osc_control_set(acpi_handle handle, u32 *mask, u32 req)
+static acpi_status acpi_pci_osc_control_set(acpi_handle handle, u32 *mask, u32 req)
 {
 	struct acpi_pci_root *root;
 	acpi_status status = AE_OK;
@@ -406,7 +406,6 @@ acpi_status acpi_pci_osc_control_set(acpi_handle handle, u32 *mask, u32 req)
 	mutex_unlock(&osc_lock);
 	return status;
 }
-EXPORT_SYMBOL(acpi_pci_osc_control_set);
 
 static void negotiate_os_control(struct acpi_pci_root *root, int *no_aspm,
 				 bool is_pcie)
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 053bf05fb1f7..4703daafcce9 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -581,9 +581,6 @@ extern bool osc_pc_lpi_support_confirmed;
 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES	0x0000000E
 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS	0x0000000F
 
-extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
-					     u32 *mask, u32 req);
-
 /* Enable _OST when all relevant hotplug operations are enabled */
 #if defined(CONFIG_ACPI_HOTPLUG_CPU) &&			\
 	defined(CONFIG_ACPI_HOTPLUG_MEMORY) &&		\
-- 
2.25.1