From: Andy Shevchenko Date: Fri, 18 Jan 2013 15:10:59 +0000 (+0200) Subject: dw_dmac: print out DW_PARAMS and DWC_PARAMS when debug X-Git-Tag: firefly_0821_release~3680^2~965^2~24 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=985a6c7dcf309378b91d16cdbdb0909479f99c33;p=firefly-linux-kernel-4.4.55.git dw_dmac: print out DW_PARAMS and DWC_PARAMS when debug It's usefull to have the values of the DW_PARAMS and DWC_PARAMS printed when debug mode is enabled. Signed-off-by: Andy Shevchenko Acked-by: Viresh Kumar Signed-off-by: Vinod Koul --- diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c index dc3b9558a25c..ddd3ad2a96a3 100644 --- a/drivers/dma/dw_dmac.c +++ b/drivers/dma/dw_dmac.c @@ -1608,6 +1608,8 @@ static int dw_probe(struct platform_device *pdev) dw_params = dma_read_byaddr(regs, DW_PARAMS); autocfg = dw_params >> DW_PARAMS_EN & 0x1; + dev_dbg(&pdev->dev, "DW_PARAMS: 0x%08x\n", dw_params); + pdata = dev_get_platdata(&pdev->dev); if (!pdata) pdata = dw_dma_parse_dt(pdev); @@ -1721,6 +1723,9 @@ static int dw_probe(struct platform_device *pdev) dwc_params = dma_read_byaddr(regs + r * sizeof(u32), DWC_PARAMS); + dev_dbg(&pdev->dev, "DWC_PARAMS[%d]: 0x%08x\n", i, + dwc_params); + /* Decode maximum block size for given channel. The * stored 4 bit value represents blocks from 0x00 for 3 * up to 0x0a for 4095. */