USB: straighten out port feature vs. port status usage

This patch (as1349b) clears up the confusion in many USB host
controller drivers between port features and port statuses.  In mosty
cases it's true that the status bit is in the position given by the
corresponding feature value, but that's not always true and it's not
guaranteed in the USB spec.

There's no functional change, just replacing expressions of the form
(1 << USB_PORT_FEAT_x) with USB_PORT_STAT_x, which has the same value.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 8 insertions, 8 deletions

diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index dd69df1e4558..325b47a267b9 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -205,27 +205,27 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 
                 /* wPortChange bits */
                 if (temp & PORT_CSC)
-                        status |= 1 << USB_PORT_FEAT_C_CONNECTION;
+                        status |= USB_PORT_STAT_C_CONNECTION << 16;
                 if (temp & PORT_PEC)
-                        status |= 1 << USB_PORT_FEAT_C_ENABLE;
+                        status |= USB_PORT_STAT_C_ENABLE << 16;
                 if ((temp & PORT_OCC))
-                        status |= 1 << USB_PORT_FEAT_C_OVER_CURRENT;
+                        status |= USB_PORT_STAT_C_OVERCURRENT << 16;
                 /*
                  * FIXME ignoring suspend, reset, and USB 2.1/3.0 specific
                  * changes
                  */
                 if (temp & PORT_CONNECT) {
-                        status |= 1 << USB_PORT_FEAT_CONNECTION;
+                        status |= USB_PORT_STAT_CONNECTION;
                         status |= xhci_port_speed(temp);
                 }
                 if (temp & PORT_PE)
-                        status |= 1 << USB_PORT_FEAT_ENABLE;
+                        status |= USB_PORT_STAT_ENABLE;
                 if (temp & PORT_OC)
-                        status |= 1 << USB_PORT_FEAT_OVER_CURRENT;
+                        status |= USB_PORT_STAT_OVERCURRENT;
                 if (temp & PORT_RESET)
-                        status |= 1 << USB_PORT_FEAT_RESET;
+                        status |= USB_PORT_STAT_RESET;
                 if (temp & PORT_POWER)
-                        status |= 1 << USB_PORT_FEAT_POWER;
+                        status |= USB_PORT_STAT_POWER;
                 xhci_dbg(xhci, "Get port status returned 0x%x\n", status);
                 put_unaligned(cpu_to_le32(status), (__le32 *) buf);
                 break;