Increase ohci watchout delay to 275 ms. Previous delay was 250 ms
with 20 ms of slack, after removing slack time some ohci controllers don't
respond in time. Logs from systems with controllers that have the
issue would show "HcDoneHead not written back; disabled"

Signed-off-by: Bryan Paluch <>
Reported and discussed:<>
 drivers/usb/host/ohci-hcd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 1700908..86612ac 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -72,7 +72,7 @@
 static const char      hcd_name [] = "ohci_hcd";

 #define        STATECHANGE_DELAY       msecs_to_jiffies(300)
-#define        IO_WATCHDOG_DELAY       msecs_to_jiffies(250)
+#define        IO_WATCHDOG_DELAY       msecs_to_jiffies(275)

 #include "ohci.h"
 #include "pci-quirks.h"
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