]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - drivers/ieee1394/ohci1394.c
Merge branch 'topic/hda-gateway' into topic/hda
[linux-2.6-omap-h63xx.git] / drivers / ieee1394 / ohci1394.c
index 066726bcb0eecc95cfca7a2ccb675b83ff83901a..65c1429e412994c6633135b370dfa45842e3fa29 100644 (file)
@@ -2973,7 +2973,7 @@ alloc_dma_trm_ctx(struct ti_ohci *ohci, struct dma_trm_ctx *d,
        return 0;
 }
 
-static void ohci_set_hw_config_rom(struct hpsb_host *host, quadlet_t *config_rom)
+static void ohci_set_hw_config_rom(struct hpsb_host *host, __be32 *config_rom)
 {
        struct ti_ohci *ohci = host->hostdata;
 
@@ -3199,15 +3199,16 @@ static int __devinit ohci1394_pci_probe(struct pci_dev *dev,
        /* Now enable LPS, which we need in order to start accessing
         * most of the registers.  In fact, on some cards (ALI M5251),
         * accessing registers in the SClk domain without LPS enabled
-        * will lock up the machine.  Wait 50msec to make sure we have
-        * full link enabled.  */
+        * will lock up the machine. */
        reg_write(ohci, OHCI1394_HCControlSet, OHCI1394_HCControl_LPS);
 
        /* Disable and clear interrupts */
        reg_write(ohci, OHCI1394_IntEventClear, 0xffffffff);
        reg_write(ohci, OHCI1394_IntMaskClear, 0xffffffff);
 
-       mdelay(50);
+       /* Flush MMIO writes and wait to make sure we have full link enabled. */
+       reg_read(ohci, OHCI1394_Version);
+       msleep(50);
 
        /* Determine the number of available IR and IT contexts. */
        ohci->nb_iso_rcv_ctx =
@@ -3233,8 +3234,9 @@ static int __devinit ohci1394_pci_probe(struct pci_dev *dev,
         * we need to get to that "no event", so enough should be initialized
         * by that point.
         */
-       if (request_irq(dev->irq, ohci_irq_handler, IRQF_SHARED,
-                        OHCI1394_DRIVER_NAME, ohci)) {
+       err = request_irq(dev->irq, ohci_irq_handler, IRQF_SHARED,
+                         OHCI1394_DRIVER_NAME, ohci);
+       if (err) {
                PRINT_G(KERN_ERR, "Failed to allocate interrupt %d", dev->irq);
                goto err;
        }
@@ -3421,12 +3423,14 @@ static int ohci1394_pci_resume(struct pci_dev *dev)
        reg_write(ohci, OHCI1394_HCControlSet, OHCI1394_HCControl_LPS);
        reg_write(ohci, OHCI1394_IntEventClear, 0xffffffff);
        reg_write(ohci, OHCI1394_IntMaskClear, 0xffffffff);
-       mdelay(50);
+       reg_read(ohci, OHCI1394_Version);
+       msleep(50);
 
-       if (request_irq(dev->irq, ohci_irq_handler, IRQF_SHARED,
-                       OHCI1394_DRIVER_NAME, ohci)) {
+       err = request_irq(dev->irq, ohci_irq_handler, IRQF_SHARED,
+                         OHCI1394_DRIVER_NAME, ohci);
+       if (err) {
                PRINT_G(KERN_ERR, "Failed to allocate interrupt %d", dev->irq);
-               return -EIO;
+               return err;
        }
 
        ohci_initialize(ohci);