From ef3477db39f2eb38610b7e99a4a4f4d8ddb903df Mon Sep 17 00:00:00 2001

From: Hans de Goede <hdegoede@redhat.com>

Date: Thu, 29 Mar 2012 16:37:34 +0200

Subject: [PATCH 142/146] usb-ehci: Drop unused sofv value

The sofv value only ever gets a value assigned and is never used (read)

anywhere, so we can just drop it.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>

---

 hw/usb-ehci.c |    8 --------

 1 file changed, 8 deletions(-)

diff --git a/hw/usb-ehci.c b/hw/usb-ehci.c

index 3934bf0..ff69587 100644

--- a/hw/usb-ehci.c

+++ b/hw/usb-ehci.c

@@ -403,7 +403,6 @@ struct EHCIState {

     /*

      *  Internal states, shadow registers, etc

      */

-    uint32_t sofv;

     QEMUTimer *frame_timer;

     int attach_poll_counter;

     int astate;                        // Current state in asynchronous schedule

@@ -1082,10 +1081,6 @@ static void ehci_mem_writel(void *ptr, target_phys_addr_t addr, uint32_t val)

         val &= USBINTR_MASK;

         break;

-    case FRINDEX:

-        s->sofv = val >> 3;

-        break;

-

     case CONFIGFLAG:

         val &= 0x1;

         if (val) {

@@ -2165,9 +2160,6 @@ static void ehci_frame_timer(void *opaque)

                 ehci_set_interrupt(ehci, USBSTS_FLR);

                 ehci->frindex = 0;

             }

-

-            ehci->sofv = (ehci->frindex - 1) >> 3;

-            ehci->sofv &= 0x000003ff;

         }

         if (frames - i > ehci->maxframes) {

-- 

1.7.9.3