On 2/26/19 1:49 PM, Andy Shevchenko wrote:
It's useful during debug to see what DMA burst and threshold sizes are. Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> --- drivers/spi/spi-pxa2xx.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index 7a86654045fc..7cc4e85290b0 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -1338,6 +1338,9 @@ static int setup(struct spi_device *spi) dev_warn(&spi->dev, "in setup: DMA burst size reduced to match bits_per_word\n"); } + dev_dbg(&spi->dev, + "in setup: DMA burst and threshold set to %u, %u\n", + chip->dma_burst_size, chip->dma_threshold);
Printing chip->dma_threshold is not very informal here just after the pxa2xx_spi_set_dma_burst_and_threshold() call which sets it to
(8 - 1 ) << 10 | (8 - 1) << 6 = 7616. -- Jarkko
