From: Olaf Hering Date: Thu, 14 Jul 2005 07:33:45 +0000 (-0700) Subject: [PATCH] ratelimit the ieee1394 IR legacy activated messages X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=98848fa83bb6a4572ad55daeb312182dec9bed58;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git [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 Cc: Jody McIntyre Cc: Ben Collins Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/drivers/ieee1394/ohci1394.c b/drivers/ieee1394/ohci1394.c index a485f47bb21e..b12a970cc9a3 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);