Skip to content

Commit

Permalink
firewire: ohci: extend initialization log message
Browse files Browse the repository at this point in the history
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>
  • Loading branch information
Stefan Richter committed Feb 24, 2010
1 parent 4802f16 commit 6fdb2ee
Showing 1 changed file with 10 additions and 7 deletions.
17 changes: 10 additions & 7 deletions drivers/firewire/ohci.c
Original file line number Diff line number Diff line change
Expand Up @@ -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);
Expand Down Expand Up @@ -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 ||
Expand All @@ -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) {
Expand Down Expand Up @@ -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;

Expand Down

0 comments on commit 6fdb2ee

Please sign in to comment.