Nico Huber ([email protected]) just uploaded a new patch set to gerrit, 
which you can find at http://review.coreboot.org/1895

-gerrit

commit 80a0395f340cd54811b342d0960ef8f956a0bb67
Author: Nico Huber <[email protected]>
Date:   Fri Nov 23 11:52:18 2012 +0100

    libpayload: Fix random warnings
    
    dump_td() is orphaned but looks useful => commented out.
    
    The delay identifier shadowed the global one => renamed to total_delay.
    
    Change-Id: I4f3766a07db9194b2552ebf9302bd7ef8a66371f
    Signed-off-by: Nico Huber <[email protected]>
---
 payloads/libpayload/drivers/usb/ohci.c    | 2 ++
 payloads/libpayload/drivers/usb/ohci_rh.c | 6 +++---
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/payloads/libpayload/drivers/usb/ohci.c 
b/payloads/libpayload/drivers/usb/ohci.c
index b128029..ad5638c 100644
--- a/payloads/libpayload/drivers/usb/ohci.c
+++ b/payloads/libpayload/drivers/usb/ohci.c
@@ -205,6 +205,7 @@ ohci_stop (hci_t *controller)
 // TODO: turn off all operation of OHCI
 }
 
+#if 0
 static void
 dump_td(td_t *cur, int level)
 {
@@ -216,6 +217,7 @@ dump_td(td_t *cur, int level)
        usb_debug("%s toggle: %x\n", spc, !!(cur->config & TD_TOGGLE_DATA1));
 #endif
 }
+#endif
 
 static int
 wait_for_ed(usbdev_t *dev, ed_t *head, int pages)
diff --git a/payloads/libpayload/drivers/usb/ohci_rh.c 
b/payloads/libpayload/drivers/usb/ohci_rh.c
index eb3e10b..9de2b98 100644
--- a/payloads/libpayload/drivers/usb/ohci_rh.c
+++ b/payloads/libpayload/drivers/usb/ohci_rh.c
@@ -48,8 +48,8 @@ ohci_rh_enable_port (usbdev_t *dev, int port)
         * After reset, the port will be enabled automatically (ohci spec
         * 7.4.4).
         */
-       int delay = 100; /* 100 * 500us == 50ms */
-       while (delay > 0) {
+       int total_delay = 100; /* 100 * 500us == 50ms */
+       while (total_delay > 0) {
                if (!(OHCI_INST(dev->controller)->opreg->HcRhPortStatus[port]
                                        & CurrentConnectStatus))
                        return;
@@ -61,7 +61,7 @@ ohci_rh_enable_port (usbdev_t *dev, int port)
                while ((OHCI_INST (dev->controller)->opreg->HcRhPortStatus[port]
                                        & PortResetStatus)
                                && timeout--) {
-                       udelay(500); delay--;
+                       udelay(500); total_delay--;
                }
                if (OHCI_INST (dev->controller)->opreg->HcRhPortStatus[port]
                                & PortResetStatus) {

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