Re: [Sound-open-firmware] [PATCH] Disable high frequent trace message in dw_dma_irq_handler().

On 3/20/18 3:09 AM, yan.wang@linux.intel.com wrote:

From: Yan Wang yan.wang@linux.intel.com

It will cause DMA trace local buffer overflow and unnecessary.

it feels like it's time to add trace_ratelimited?

Signed-off-by: Yan Wang yan.wang@linux.intel.com

src/drivers/dw-dma.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/drivers/dw-dma.c b/src/drivers/dw-dma.c index a5717f3..2c46545 100644 --- a/src/drivers/dw-dma.c +++ b/src/drivers/dw-dma.c @@ -910,11 +910,12 @@ static void dw_dma_irq_handler(void *data) int i = dma_int->channel;

status_intr = dw_read(dma, DW_INTR_STATUS);

• if (!status_intr)

• if (!status_intr) { trace_dma_error("eDI");

• trace_value(status_intr);
  

• }

• trace_dma("irq");
• trace_value(status_intr);

• tracev_dma("irq");

  /* get the source of our IRQ. */ status_block = dw_read(dma, DW_STATUS_BLOCK);