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authorClemens Ladisch2010-06-10 08:26:48 +0200
committerClemens Ladisch2010-06-10 08:26:48 +0200
commit9ab5071cd4a16001e4ba790172a7da5e4172462b (patch)
treebb1ba598d4f2df93b661411c833b60bb953e3390 /drivers/firewire/ohci.c
parentfirewire: core: add CSR SPLIT_TIMEOUT support (diff)
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firewire: add CSR CYCLE_TIME write support
The specification requires that CYCLE_TIME is writable so that it can be initialized, so we better implement it. Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Diffstat (limited to 'drivers/firewire/ohci.c')
-rw-r--r--drivers/firewire/ohci.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c
index a55fbbce9e79..777811a736b2 100644
--- a/drivers/firewire/ohci.c
+++ b/drivers/firewire/ohci.c
@@ -1996,6 +1996,13 @@ static void ohci_write_csr_reg(struct fw_card *card, int csr_offset, u32 value)
flush_writes(ohci);
break;
+ case CSR_CYCLE_TIME:
+ reg_write(ohci, OHCI1394_IsochronousCycleTimer, value);
+ reg_write(ohci, OHCI1394_IntEventSet,
+ OHCI1394_cycleInconsistent);
+ flush_writes(ohci);
+ break;
+
default:
WARN_ON(1);
break;