]> git.kernelconcepts.de Git - karo-tx-linux.git/commitdiff
dw_dmac: print out DW_PARAMS and DWC_PARAMS when debug
authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Fri, 18 Jan 2013 15:10:59 +0000 (17:10 +0200)
committerVinod Koul <vinod.koul@intel.com>
Mon, 28 Jan 2013 12:04:28 +0000 (04:04 -0800)
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 <andriy.shevchenko@linux.intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
drivers/dma/dw_dmac.c

index dc3b9558a25c4a9f1182c328bcce7f33dd5d9374..ddd3ad2a96a3d66035558f4324b5edbc43196d61 100644 (file)
@@ -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. */