PCI: doc/pci: create Documentation/PCI/ and move files into it

[pandora-kernel.git] / Documentation / PCI / PCIEBUS-HOWTO.txt

diff --git a/Documentation/PCIEBUS-HOWTO.txt b/Documentation/PCI/PCIEBUS-HOWTO.txt
similarity index 98%
rename from Documentation/PCIEBUS-HOWTO.txt
rename to Documentation/PCI/PCIEBUS-HOWTO.txt
index c93f42a..9a07e38 100644 (file)
--- a/Documentation/PCIEBUS-HOWTO.txt
+++ b/Documentation/PCI/PCIEBUS-HOWTO.txt
@@ -56,9 +56,9 @@ advantages of using the PCI Express Port Bus driver are listed below:
 
        - Allow service drivers implemented in an independent
          staged approach.
-       
+
        - Allow one service driver to run on multiple PCI-PCI Bridge
-         Port devices. 
+         Port devices.
 
        - Manage and distribute resources of a PCI-PCI Bridge Port
          device to requested service drivers.
@@ -82,7 +82,7 @@ Model requires some minimal changes on existing service drivers that
 imposes no impact on the functionality of existing service drivers.
 
 A service driver is required to use the two APIs shown below to
-register its service with the PCI Express Port Bus driver (see 
+register its service with the PCI Express Port Bus driver (see
 section 5.2.1 & 5.2.2). It is important that a service driver
 initializes the pcie_port_service_driver data structure, included in
 header file /include/linux/pcieport_if.h, before calling these APIs.
@@ -137,7 +137,7 @@ driver.
 static int __init aerdrv_service_init(void)
 {
        int retval = 0;
-       
+
        retval = pcie_port_service_register(&root_aerdrv);
        if (!retval) {
                /*
@@ -147,7 +147,7 @@ static int __init aerdrv_service_init(void)
        return retval;
 }
 
-static void __exit aerdrv_service_exit(void) 
+static void __exit aerdrv_service_exit(void)
 {
        pcie_port_service_unregister(&root_aerdrv);
 }
@@ -175,7 +175,7 @@ same physical Root Port. Both service drivers call pci_enable_msi to
 request MSI based interrupts. A service driver may not know whether
 any other service drivers have run on this Root Port. If either one
 of them calls pci_disable_msi, it puts the other service driver
-in a wrong interrupt mode. 
+in a wrong interrupt mode.
 
 To avoid this situation all service drivers are not permitted to
 switch interrupt mode on its device. The PCI Express Port Bus driver