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firewire: fw-ohci: log a note about unsupported features

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because there seems to be more time needed to implement this.
Also, change related error return values to more appropriate ones.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
This commit is contained in:
Stefan Richter 2007-10-21 10:43:11 +02:00
parent 55b70a0300
commit c74e92c209
1 changed files with 8 additions and 3 deletions
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11
drivers/firewire/fw-ohci.c
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@ -1459,7 +1459,7 @@ ohci_allocate_iso_context(struct fw_card *card, int type, size_t header_size)
/* FIXME: We need a fallback for pre 1.1 OHCI. */
if (callback == handle_ir_dualbuffer_packet &&
ohci->version < OHCI_VERSION_1_1)
return ERR_PTR(-EINVAL);
return ERR_PTR(-ENOSYS);
spin_lock_irqsave(&ohci->lock, flags);
index = ffs(*mask) - 1;
@ -1778,7 +1778,7 @@ ohci_queue_iso(struct fw_iso_context *base,
buffer, payload);
else
/* FIXME: Implement fallback for OHCI 1.0 controllers. */
return -EINVAL;
return -ENOSYS;
}
static const struct fw_card_driver ohci_driver = {
@ -1898,7 +1898,12 @@ pci_probe(struct pci_dev *dev, const struct pci_device_id *ent)
ohci->version = reg_read(ohci, OHCI1394_Version) & 0x00ff00ff;
fw_notify("Added fw-ohci device %s, OHCI version %x.%x\n",
dev->dev.bus_id, ohci->version >> 16, ohci->version & 0xff);
if (ohci->version < OHCI_VERSION_1_1) {
fw_notify(" Isochronous I/O is not yet implemented for "
"OHCI 1.0 chips.\n");
fw_notify(" Cameras, audio devices etc. won't work on "
"this controller with this driver version.\n");
}
return 0;
fail_self_id: