firewire: fw-ohci: add option for remote debugging
This way firewire-ohci can be used for remote debugging like ohci1394.
Version with amendment from Fri, 11 Apr 2008 00:08:08 +0200.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Acked-by: Bernhard Kaindl <bk@suse.de>
diff --git a/drivers/firewire/fw-ohci.c b/drivers/firewire/fw-ohci.c
index 07d6053..5da7c671 100644
--- a/drivers/firewire/fw-ohci.c
+++ b/drivers/firewire/fw-ohci.c
@@ -1097,6 +1097,11 @@
reg_write(ohci, OHCI1394_ConfigROMhdr, ohci->next_header);
}
+#ifdef CONFIG_FIREWIRE_OHCI_REMOTE_DMA
+ reg_write(ohci, OHCI1394_PhyReqFilterHiSet, ~0);
+ reg_write(ohci, OHCI1394_PhyReqFilterLoSet, ~0);
+#endif
+
spin_unlock_irqrestore(&ohci->lock, flags);
if (free_rom)
@@ -1435,6 +1440,9 @@
static int
ohci_enable_phys_dma(struct fw_card *card, int node_id, int generation)
{
+#ifdef CONFIG_FIREWIRE_OHCI_REMOTE_DMA
+ return 0;
+#else
struct fw_ohci *ohci = fw_ohci(card);
unsigned long flags;
int n, retval = 0;
@@ -1466,6 +1474,7 @@
out:
spin_unlock_irqrestore(&ohci->lock, flags);
return retval;
+#endif /* CONFIG_FIREWIRE_OHCI_REMOTE_DMA */
}
static u64