1 files changed, 24 insertions, 17 deletions

diff --git a/drivers/ieee1394/ohci1394.c b/drivers/ieee1394/ohci1394.c
index 11f13778f139..3d278412e1ca 100644
--- a/drivers/ieee1394/ohci1394.c
+++ b/drivers/ieee1394/ohci1394.c
@@ -163,7 +163,7 @@ printk(level "%s: fw-host%d: " fmt "\n" , OHCI1394_DRIVER_NAME, ohci->host->id ,
 
 /* Module Parameters */
 static int phys_dma = 1;
-module_param(phys_dma, int, 0644);
+module_param(phys_dma, int, 0444);
 MODULE_PARM_DESC(phys_dma, "Enable physical dma (default = 1).");
 
 static void dma_trm_tasklet(unsigned long data);
@@ -553,7 +553,8 @@ static void ohci_initialize(struct ti_ohci *ohci)
          * register content.
          * To actually enable physical responses is the job of our interrupt
          * handler which programs the physical request filter. */
-        reg_write(ohci, OHCI1394_PhyUpperBound, 0x01000000);
+        reg_write(ohci, OHCI1394_PhyUpperBound,
+                  OHCI1394_PHYS_UPPER_BOUND_PROGRAMMED >> 16);
 
         DBGMSG("physUpperBoundOffset=%08x",
                reg_read(ohci, OHCI1394_PhyUpperBound));
@@ -580,17 +581,14 @@ static void ohci_initialize(struct ti_ohci *ohci)
                   OHCI1394_isochRx |
                   OHCI1394_isochTx |
                   OHCI1394_postedWriteErr |
+                  OHCI1394_cycleTooLong |
                   OHCI1394_cycleInconsistent);
 
         /* Enable link */
         reg_write(ohci, OHCI1394_HCControlSet, OHCI1394_HCControl_linkEnable);
 
         buf = reg_read(ohci, OHCI1394_Version);
-#ifndef __sparc__
         sprintf (irq_buf, "%d", ohci->dev->irq);
-#else
-        sprintf (irq_buf, "%s", __irq_itoa(ohci->dev->irq));
-#endif
         PRINT(KERN_INFO, "OHCI-1394 %d.%d (PCI): IRQ=[%s]  "
               "MMIO=[%lx-%lx]  Max Packet=[%d]  IR/IT contexts=[%d/%d]",
               ((((buf) >> 16) & 0xf) + (((buf) >> 20) & 0xf) * 10),
@@ -2386,6 +2384,15 @@ static irqreturn_t ohci_irq_handler(int irq, void *dev_id,
                 PRINT(KERN_ERR, "physical posted write error");
                 /* no recovery strategy yet, had to involve protocol drivers */
         }
+        if (event & OHCI1394_cycleTooLong) {
+                if(printk_ratelimit())
+                        PRINT(KERN_WARNING, "isochronous cycle too long");
+                else
+                        DBGMSG("OHCI1394_cycleTooLong");
+                reg_write(ohci, OHCI1394_LinkControlSet,
+                          OHCI1394_LinkControl_CycleMaster);
+                event &= ~OHCI1394_cycleTooLong;
+        }
         if (event & OHCI1394_cycleInconsistent) {
                 /* We subscribe to the cycleInconsistent event only to
                  * clear the corresponding event bit... otherwise,
@@ -3404,6 +3411,14 @@ static int __devinit ohci1394_pci_probe(struct pci_dev *dev,
         host->csr.max_rec = (reg_read(ohci, OHCI1394_BusOptions) >> 12) & 0xf;
         host->csr.lnk_spd = reg_read(ohci, OHCI1394_BusOptions) & 0x7;
 
+        if (phys_dma) {
+                host->low_addr_space =
+                        (u64) reg_read(ohci, OHCI1394_PhyUpperBound) << 16;
+                if (!host->low_addr_space)
+                        host->low_addr_space = OHCI1394_PHYS_UPPER_BOUND_FIXED;
+        }
+        host->middle_addr_space = OHCI1394_MIDDLE_ADDRESS_SPACE;
+
         /* Tell the highlevel this host is ready */
         if (hpsb_add_host(host))
                 FAIL(-ENOMEM, "Failed to register host with highlevel");
@@ -3462,24 +3477,13 @@ static void ohci1394_pci_remove(struct pci_dev *pdev)
         case OHCI_INIT_HAVE_TXRX_BUFFERS__MAYBE:
                 /* The ohci_soft_reset() stops all DMA contexts, so we
                  * dont need to do this.  */
-                /* Free AR dma */
                 free_dma_rcv_ctx(&ohci->ar_req_context);
                 free_dma_rcv_ctx(&ohci->ar_resp_context);
-
-                /* Free AT dma */
                 free_dma_trm_ctx(&ohci->at_req_context);
                 free_dma_trm_ctx(&ohci->at_resp_context);
-
-                /* Free IR dma */
                 free_dma_rcv_ctx(&ohci->ir_legacy_context);
-
-                /* Free IT dma */
                 free_dma_trm_ctx(&ohci->it_legacy_context);
 
-                /* Free IR legacy dma */
-                free_dma_rcv_ctx(&ohci->ir_legacy_context);
-
-
         case OHCI_INIT_HAVE_SELFID_BUFFER:
                 pci_free_consistent(ohci->dev, OHCI1394_SI_DMA_BUF_SIZE,
                                     ohci->selfid_buf_cpu,
@@ -3539,6 +3543,7 @@ static int ohci1394_pci_resume (struct pci_dev *pdev)
         }
 #endif /* CONFIG_PPC_PMAC */
 
+        pci_restore_state(pdev);
         pci_enable_device(pdev);
 
         return 0;
@@ -3558,6 +3563,8 @@ static int ohci1394_pci_suspend (struct pci_dev *pdev, pm_message_t state)
         }
 #endif
 
+        pci_save_state(pdev);
+
         return 0;
 }