Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux...
authorDavid Vrabel <david.vrabel@csr.com>
Thu, 22 Jan 2009 19:12:32 +0000 (19:12 +0000)
committerDavid Vrabel <david.vrabel@csr.com>
Thu, 22 Jan 2009 19:12:32 +0000 (19:12 +0000)
drivers/usb/host/whci/asl.c
drivers/usb/host/whci/hw.c
drivers/usb/host/whci/pzl.c
drivers/usb/host/whci/whcd.h
drivers/usb/wusbcore/devconnect.c
drivers/usb/wusbcore/rh.c
drivers/uwb/allocator.c
drivers/uwb/rsv.c

index 577c0d2..2291c5f 100644 (file)
@@ -170,12 +170,17 @@ void asl_stop(struct whc *whc)
 void asl_update(struct whc *whc, uint32_t wusbcmd)
 {
        struct wusbhc *wusbhc = &whc->wusbhc;
+       long t;
 
        mutex_lock(&wusbhc->mutex);
        if (wusbhc->active) {
                whc_write_wusbcmd(whc, wusbcmd, wusbcmd);
-               wait_event(whc->async_list_wq,
-                          (le_readl(whc->base + WUSBCMD) & WUSBCMD_ASYNC_UPDATED) == 0);
+               t = wait_event_timeout(
+                       whc->async_list_wq,
+                       (le_readl(whc->base + WUSBCMD) & WUSBCMD_ASYNC_UPDATED) == 0,
+                       msecs_to_jiffies(1000));
+               if (t == 0)
+                       whc_hw_error(whc, "ASL update timeout");
        }
        mutex_unlock(&wusbhc->mutex);
 }
index d498e72..6afa2e3 100644 (file)
@@ -87,3 +87,18 @@ out:
 
        return ret;
 }
+
+/**
+ * whc_hw_error - recover from a hardware error
+ * @whc:    the WHCI HC that broke.
+ * @reason: a description of the failure.
+ *
+ * Recover from broken hardware with a full reset.
+ */
+void whc_hw_error(struct whc *whc, const char *reason)
+{
+       struct wusbhc *wusbhc = &whc->wusbhc;
+
+       dev_err(&whc->umc->dev, "hardware error: %s\n", reason);
+       wusbhc_reset_all(wusbhc);
+}
index 2ae5abf..7dc85a0 100644 (file)
@@ -183,12 +183,17 @@ void pzl_stop(struct whc *whc)
 void pzl_update(struct whc *whc, uint32_t wusbcmd)
 {
        struct wusbhc *wusbhc = &whc->wusbhc;
+       long t;
 
        mutex_lock(&wusbhc->mutex);
        if (wusbhc->active) {
                whc_write_wusbcmd(whc, wusbcmd, wusbcmd);
-               wait_event(whc->periodic_list_wq,
-                          (le_readl(whc->base + WUSBCMD) & WUSBCMD_PERIODIC_UPDATED) == 0);
+               t = wait_event_timeout(
+                       whc->periodic_list_wq,
+                       (le_readl(whc->base + WUSBCMD) & WUSBCMD_PERIODIC_UPDATED) == 0,
+                       msecs_to_jiffies(1000));
+               if (t == 0)
+                       whc_hw_error(whc, "PZL update timeout");
        }
        mutex_unlock(&wusbhc->mutex);
 }
index 0f3540f..d3543a1 100644 (file)
@@ -137,6 +137,7 @@ void whc_clean_up(struct whc *whc);
 /* hw.c */
 void whc_write_wusbcmd(struct whc *whc, u32 mask, u32 val);
 int whc_do_gencmd(struct whc *whc, u32 cmd, u32 params, void *addr, size_t len);
+void whc_hw_error(struct whc *whc, const char *reason);
 
 /* wusb.c */
 int whc_wusbhc_start(struct wusbhc *wusbhc);
index e2e7e4b..8e18141 100644 (file)
@@ -386,6 +386,7 @@ static void __wusbhc_dev_disconnect(struct wusbhc *wusbhc,
                          | USB_PORT_STAT_LOW_SPEED | USB_PORT_STAT_HIGH_SPEED);
        port->change |= USB_PORT_STAT_C_CONNECTION | USB_PORT_STAT_C_ENABLE;
        if (wusb_dev) {
+               dev_dbg(wusbhc->dev, "disconnecting device from port %d\n", wusb_dev->port_idx);
                if (!list_empty(&wusb_dev->cack_node))
                        list_del_init(&wusb_dev->cack_node);
                /* For the one in cack_add() */
index 3937bf6..9fe4246 100644 (file)
@@ -100,6 +100,9 @@ static int wusbhc_rh_port_reset(struct wusbhc *wusbhc, u8 port_idx)
        struct wusb_port *port = wusb_port_by_idx(wusbhc, port_idx);
        struct wusb_dev *wusb_dev = port->wusb_dev;
 
+       if (wusb_dev == NULL)
+               return -ENOTCONN;
+
        port->status |= USB_PORT_STAT_RESET;
        port->change |= USB_PORT_STAT_C_RESET;
 
index c8185e6..c13cec7 100644 (file)
@@ -15,7 +15,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-#include <linux/version.h>
 #include <linux/kernel.h>
 #include <linux/uwb.h>
 
index ec6eecb..886f977 100644 (file)
@@ -114,7 +114,8 @@ void uwb_rsv_dump(char *text, struct uwb_rsv *rsv)
                devaddr = rsv->target.devaddr;
        uwb_dev_addr_print(target, sizeof(target), &devaddr);
 
-       dev_dbg(dev, "rsv %s -> %s: %s\n", owner, target, uwb_rsv_state_str(rsv->state));
+       dev_dbg(dev, "rsv %s %s -> %s: %s\n",
+               text, owner, target, uwb_rsv_state_str(rsv->state));
 }
 
 static void uwb_rsv_release(struct kref *kref)
@@ -511,8 +512,7 @@ void uwb_rsv_remove(struct uwb_rsv *rsv)
 
        if (uwb_rsv_is_owner(rsv))
                uwb_rsv_put_stream(rsv);
-       
-       del_timer_sync(&rsv->timer);
+
        uwb_dev_put(rsv->owner);
        if (rsv->target.type == UWB_RSV_TARGET_DEV)
                uwb_dev_put(rsv->target.dev);
@@ -943,13 +943,22 @@ void uwb_rsv_remove_all(struct uwb_rc *rc)
 
        mutex_lock(&rc->rsvs_mutex);
        list_for_each_entry_safe(rsv, t, &rc->reservations, rc_node) {
-               uwb_rsv_remove(rsv);
+               if (rsv->state != UWB_RSV_STATE_NONE)
+                       uwb_rsv_set_state(rsv, UWB_RSV_STATE_NONE);
+               del_timer_sync(&rsv->timer);
        }
        /* Cancel any postponed update. */
        rc->set_drp_ie_pending = 0;
        mutex_unlock(&rc->rsvs_mutex);
 
        cancel_delayed_work_sync(&rc->rsv_update_work);
+       flush_workqueue(rc->rsv_workq);
+
+       mutex_lock(&rc->rsvs_mutex);
+       list_for_each_entry_safe(rsv, t, &rc->reservations, rc_node) {
+               uwb_rsv_remove(rsv);
+       }
+       mutex_unlock(&rc->rsvs_mutex);
 }
 
 void uwb_rsv_init(struct uwb_rc *rc)