1 files changed, 9 insertions, 2 deletions

diff --git a/drivers/firewire/fw-ohci.c b/drivers/firewire/fw-ohci.c
index a9f2d07e7c65..74d5d945f200 100644
--- a/drivers/firewire/fw-ohci.c
+++ b/drivers/firewire/fw-ohci.c
@@ -1079,6 +1079,13 @@ static irqreturn_t irq_handler(int irq, void *data)
         if (unlikely(event & OHCI1394_postedWriteErr))
                 fw_error("PCI posted write error\n");
 
+        if (unlikely(event & OHCI1394_cycleTooLong)) {
+                if (printk_ratelimit())
+                        fw_notify("isochronous cycle too long\n");
+                reg_write(ohci, OHCI1394_LinkControlSet,
+                          OHCI1394_LinkControl_cycleMaster);
+        }
+
         if (event & OHCI1394_cycle64Seconds) {
                 cycle_time = reg_read(ohci, OHCI1394_IsochronousCycleTimer);
                 if ((cycle_time & 0x80000000) == 0)
@@ -1152,8 +1159,8 @@ static int ohci_enable(struct fw_card *card, u32 *config_rom, size_t length)
                   OHCI1394_RQPkt | OHCI1394_RSPkt |
                   OHCI1394_reqTxComplete | OHCI1394_respTxComplete |
                   OHCI1394_isochRx | OHCI1394_isochTx |
-                  OHCI1394_postedWriteErr | OHCI1394_cycle64Seconds |
-                  OHCI1394_masterIntEnable);
+                  OHCI1394_postedWriteErr | OHCI1394_cycleTooLong |
+                  OHCI1394_cycle64Seconds | OHCI1394_masterIntEnable);
 
         /* Activate link_on bit and contender bit in our self ID packets.*/
         if (ohci_update_phy_reg(card, 4, 0,