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path: root/drivers/usb/host/whci/pzl.c
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Diffstat (limited to 'drivers/usb/host/whci/pzl.c')
-rw-r--r--drivers/usb/host/whci/pzl.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/usb/host/whci/pzl.c b/drivers/usb/host/whci/pzl.c
index 2ae5abf69a6a..7dc85a0bee7c 100644
--- a/drivers/usb/host/whci/pzl.c
+++ b/drivers/usb/host/whci/pzl.c
@@ -183,12 +183,17 @@ void pzl_stop(struct whc *whc)
183void pzl_update(struct whc *whc, uint32_t wusbcmd) 183void pzl_update(struct whc *whc, uint32_t wusbcmd)
184{ 184{
185 struct wusbhc *wusbhc = &whc->wusbhc; 185 struct wusbhc *wusbhc = &whc->wusbhc;
186 long t;
186 187
187 mutex_lock(&wusbhc->mutex); 188 mutex_lock(&wusbhc->mutex);
188 if (wusbhc->active) { 189 if (wusbhc->active) {
189 whc_write_wusbcmd(whc, wusbcmd, wusbcmd); 190 whc_write_wusbcmd(whc, wusbcmd, wusbcmd);
190 wait_event(whc->periodic_list_wq, 191 t = wait_event_timeout(
191 (le_readl(whc->base + WUSBCMD) & WUSBCMD_PERIODIC_UPDATED) == 0); 192 whc->periodic_list_wq,
193 (le_readl(whc->base + WUSBCMD) & WUSBCMD_PERIODIC_UPDATED) == 0,
194 msecs_to_jiffies(1000));
195 if (t == 0)
196 whc_hw_error(whc, "PZL update timeout");
192 } 197 }
193 mutex_unlock(&wusbhc->mutex); 198 mutex_unlock(&wusbhc->mutex);
194} 199}