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authorStefan Richter <stefanr@s5r6.in-berlin.de>2008-02-28 22:54:43 +0300
committerStefan Richter <stefanr@s5r6.in-berlin.de>2008-04-18 19:55:33 +0400
commit080de8c2c57e3199eee837fe8b6d35a43679f8c1 (patch)
treeb376f9ce74db61393ef1cb62e9663c71f0ba45b9 /drivers/firewire
parent17cff9ff871bb5081cade4f99a9e9382b9f1c01c (diff)
downloadlinux-080de8c2c57e3199eee837fe8b6d35a43679f8c1.tar.xz
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>
Diffstat (limited to 'drivers/firewire')
-rw-r--r--drivers/firewire/fw-ohci.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/firewire/fw-ohci.c b/drivers/firewire/fw-ohci.c
index 07d6053ff57e..5da7c6715e1e 100644
--- a/drivers/firewire/fw-ohci.c
+++ b/drivers/firewire/fw-ohci.c
@@ -1097,6 +1097,11 @@ static void bus_reset_tasklet(unsigned long data)
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_cancel_packet(struct fw_card *card, struct fw_packet *packet)
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 @@ ohci_enable_phys_dma(struct fw_card *card, int node_id, int generation)
out:
spin_unlock_irqrestore(&ohci->lock, flags);
return retval;
+#endif /* CONFIG_FIREWIRE_OHCI_REMOTE_DMA */
}
static u64