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path: root/drivers/usb/host/whci/asl.c
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Diffstat (limited to 'drivers/usb/host/whci/asl.c')
-rw-r--r--drivers/usb/host/whci/asl.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/usb/host/whci/asl.c b/drivers/usb/host/whci/asl.c
index 577c0d29849d..2291c5f5af51 100644
--- a/drivers/usb/host/whci/asl.c
+++ b/drivers/usb/host/whci/asl.c
@@ -170,12 +170,17 @@ void asl_stop(struct whc *whc)
170void asl_update(struct whc *whc, uint32_t wusbcmd) 170void asl_update(struct whc *whc, uint32_t wusbcmd)
171{ 171{
172 struct wusbhc *wusbhc = &whc->wusbhc; 172 struct wusbhc *wusbhc = &whc->wusbhc;
173 long t;
173 174
174 mutex_lock(&wusbhc->mutex); 175 mutex_lock(&wusbhc->mutex);
175 if (wusbhc->active) { 176 if (wusbhc->active) {
176 whc_write_wusbcmd(whc, wusbcmd, wusbcmd); 177 whc_write_wusbcmd(whc, wusbcmd, wusbcmd);
177 wait_event(whc->async_list_wq, 178 t = wait_event_timeout(
178 (le_readl(whc->base + WUSBCMD) & WUSBCMD_ASYNC_UPDATED) == 0); 179 whc->async_list_wq,
180 (le_readl(whc->base + WUSBCMD) & WUSBCMD_ASYNC_UPDATED) == 0,
181 msecs_to_jiffies(1000));
182 if (t == 0)
183 whc_hw_error(whc, "ASL update timeout");
179 } 184 }
180 mutex_unlock(&wusbhc->mutex); 185 mutex_unlock(&wusbhc->mutex);
181} 186}