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dw_dmac: print out DW_PARAMS and DWC_PARAMS when debug

PATCH Applied Andy Shevchenko 3 participants 3 messages Jan 18, 2013 – Jan 28, 2013 dmaengine

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Andy Shevchenko

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#0 lore raw

PATCH 1/1 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 <[email protected]>
---
 drivers/dma/dw_dmac.c |    5 +++++
 1 file changed, 5 insertions(+)
drivers/dma/dw_dmac.c +5 -0
index 1498b27..72e6316 100644
@@ -1610,6 +1610,8 @@ 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);

@@ -1723,6 +1725,9 @@ 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. */
Signature · 1 line
1.7.10.4
Applied
#2 lore raw
In reply to Andy Shevchenko
Quoted 2 lines · Andy Shevchenko

It's usefull to have the values of the DW_PARAMS and DWC_PARAMS printed when debug mode is enabled.

Applied, thanks

--
~Vinod