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author | Ingo Molnar <mingo@elte.hu> | 2010-10-07 09:43:11 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2010-10-07 09:43:11 +0200 |
commit | d4f8f217b8a5d5bd02af979650418dca4caec472 (patch) | |
tree | af047bfa9729c975e24cb7624107574e884d3a57 /drivers/pci/pcie/pme/pcie_pme_acpi.c | |
parent | 2dfbf4dfbe47a484bae20456c12b40763b9b6af7 (diff) | |
parent | 773e3f93577ffb493fb7c39b1a6ecf39b5748e87 (diff) | |
download | kernel_samsung_smdk4412-d4f8f217b8a5d5bd02af979650418dca4caec472.zip kernel_samsung_smdk4412-d4f8f217b8a5d5bd02af979650418dca4caec472.tar.gz kernel_samsung_smdk4412-d4f8f217b8a5d5bd02af979650418dca4caec472.tar.bz2 |
Merge branch 'rcu/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-2.6-rcu into core/rcu
Diffstat (limited to 'drivers/pci/pcie/pme/pcie_pme_acpi.c')
-rw-r--r-- | drivers/pci/pcie/pme/pcie_pme_acpi.c | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/drivers/pci/pcie/pme/pcie_pme_acpi.c b/drivers/pci/pcie/pme/pcie_pme_acpi.c deleted file mode 100644 index 83ab228..0000000 --- a/drivers/pci/pcie/pme/pcie_pme_acpi.c +++ /dev/null @@ -1,54 +0,0 @@ -/* - * PCIe Native PME support, ACPI-related part - * - * Copyright (C) 2009 Rafael J. Wysocki <rjw@sisk.pl>, Novell Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License V2. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#include <linux/pci.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/acpi.h> -#include <linux/pci-acpi.h> -#include <linux/pcieport_if.h> - -/** - * pcie_pme_acpi_setup - Request the ACPI BIOS to release control over PCIe PME. - * @srv - PCIe PME service for a root port or event collector. - * - * Invoked when the PCIe bus type loads PCIe PME service driver. To avoid - * conflict with the BIOS PCIe support requires the BIOS to yield PCIe PME - * control to the kernel. - */ -int pcie_pme_acpi_setup(struct pcie_device *srv) -{ - acpi_status status = AE_NOT_FOUND; - struct pci_dev *port = srv->port; - acpi_handle handle; - int error = 0; - - if (acpi_pci_disabled) - return -ENOSYS; - - dev_info(&port->dev, "Requesting control of PCIe PME from ACPI BIOS\n"); - - handle = acpi_find_root_bridge_handle(port); - if (!handle) - return -EINVAL; - - status = acpi_pci_osc_control_set(handle, - OSC_PCI_EXPRESS_PME_CONTROL | - OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL); - if (ACPI_FAILURE(status)) { - dev_info(&port->dev, - "Failed to receive control of PCIe PME service: %s\n", - (status == AE_SUPPORT || status == AE_NOT_FOUND) ? - "no _OSC support" : "ACPI _OSC failed"); - error = -ENODEV; - } - - return error; -} |