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authorOlaf Hering <olh@suse.de>2005-07-14 00:33:45 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2005-07-14 09:00:26 -0700
commit98848fa83bb6a4572ad55daeb312182dec9bed58 (patch)
tree9221e935f4cd3bfb6da2422806aee41f2040ed2e
parenta2d2b5cb8e5d8787f009eeb3bbca52687bd42a77 (diff)
[PATCH] ratelimit the ieee1394 IR legacy activated messages
running coriander1 with an Apple iSight produces lots of dmesg output. Jul 13 22:14:17 ibook kernel: ieee1394: raw1394: /dev/raw1394 device initialized Jul 13 22:15:28 ibook kernel: ohci1394: fw-host0: IR legacy activated Jul 13 22:15:59 ibook last message repeated 208 times Jul 13 22:17:00 ibook last message repeated 762 times Jul 13 22:18:01 ibook last message repeated 914 times Jul 13 22:18:17 ibook last message repeated 238 times Jul 13 22:18:17 ibook kernel: ieee1394: unsolicited response packet received - no tlabel match Jul 13 22:18:17 ibook kernel: ohci1394: fw-host0: IR legacy activated its less noisy with the patch: Jul 14 08:03:08 ibook kernel: ieee1394: raw1394: /dev/raw1394 device initialized Jul 14 08:03:26 ibook kernel: ohci1394: fw-host0: IR legacy activated Jul 14 08:03:42 ibook last message repeated 10 times Jul 14 08:03:47 ibook kernel: printk: 63 messages suppressed. Jul 14 08:03:47 ibook kernel: ohci1394: fw-host0: IR legacy activated Jul 14 08:03:52 ibook kernel: printk: 74 messages suppressed. Signed-off-by: Olaf Hering <olh@suse.de> Cc: Jody McIntyre <scjody@modernduck.com> Cc: Ben Collins <bcollins@debian.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--drivers/ieee1394/ohci1394.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/ieee1394/ohci1394.c b/drivers/ieee1394/ohci1394.c
index a485f47bb21..b12a970cc9a 100644
--- a/drivers/ieee1394/ohci1394.c
+++ b/drivers/ieee1394/ohci1394.c
@@ -1084,7 +1084,8 @@ static int ohci_devctl(struct hpsb_host *host, enum devctl_cmd cmd, int arg)
initialize_dma_rcv_ctx(&ohci->ir_legacy_context, 1);
- PRINT(KERN_ERR, "IR legacy activated");
+ if (printk_ratelimit())
+ PRINT(KERN_ERR, "IR legacy activated");
}
spin_lock_irqsave(&ohci->IR_channel_lock, flags);