firewire: ohci: extend initialization log message

by the number of available isochronous DMA contexts and active quirks
which is occasionally useful information.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>

diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c
index a387bcd..75dc698 100644 (file)
--- a/drivers/firewire/ohci.c
+++ b/drivers/firewire/ohci.c
@@ -2329,7 +2329,7 @@ static int __devinit pci_probe(struct pci_dev *dev,
        struct fw_ohci *ohci;
        u32 bus_options, max_receive, link_speed, version;
        u64 guid;
-       int i, err;
+       int i, err, n_ir, n_it;
        size_t size;
 
        ohci = kzalloc(sizeof(*ohci), GFP_KERNEL);
@@ -2370,8 +2370,6 @@ static int __devinit pci_probe(struct pci_dev *dev,
                goto fail_iomem;
        }
 
-       version = reg_read(ohci, OHCI1394_Version) & 0x00ff00ff;
-
        for (i = 0; i < ARRAY_SIZE(ohci_quirks); i++)
                if (ohci_quirks[i].vendor == dev->vendor &&
                    (ohci_quirks[i].device == dev->device ||
@@ -2398,13 +2396,15 @@ static int __devinit pci_probe(struct pci_dev *dev,
        ohci->ir_context_channels = ~0ULL;
        ohci->ir_context_mask = reg_read(ohci, OHCI1394_IsoRecvIntMaskSet);
        reg_write(ohci, OHCI1394_IsoRecvIntMaskClear, ~0);
-       size = sizeof(struct iso_context) * hweight32(ohci->ir_context_mask);
+       n_ir = hweight32(ohci->ir_context_mask);
+       size = sizeof(struct iso_context) * n_ir;
        ohci->ir_context_list = kzalloc(size, GFP_KERNEL);
 
        reg_write(ohci, OHCI1394_IsoXmitIntMaskSet, ~0);
        ohci->it_context_mask = reg_read(ohci, OHCI1394_IsoXmitIntMaskSet);
        reg_write(ohci, OHCI1394_IsoXmitIntMaskClear, ~0);
-       size = sizeof(struct iso_context) * hweight32(ohci->it_context_mask);
+       n_it = hweight32(ohci->it_context_mask);
+       size = sizeof(struct iso_context) * n_it;
        ohci->it_context_list = kzalloc(size, GFP_KERNEL);
 
        if (ohci->it_context_list == NULL || ohci->ir_context_list == NULL) {
@@ -2432,8 +2432,11 @@ static int __devinit pci_probe(struct pci_dev *dev,
        if (err)
                goto fail_self_id;
 
-       fw_notify("Added fw-ohci device %s, OHCI version %x.%x\n",
-                 dev_name(&dev->dev), version >> 16, version & 0xff);
+       version = reg_read(ohci, OHCI1394_Version) & 0x00ff00ff;
+       fw_notify("Added fw-ohci device %s, OHCI v%x.%x, "
+                 "%d IR + %d IT contexts, quirks 0x%x\n",
+                 dev_name(&dev->dev), version >> 16, version & 0xff,
+                 n_ir, n_it, ohci->quirks);
 
        return 0;