dmaengine: cppi41: Fix an Oops happening in cppi41_dma_probe()

This fix an Oops happening on all platforms using the old dt bindings
(all platforms but da8xx).
This update cppi41_dma_probe() to use the index variable which is
required to keep compatibility between old and new dt bindings.

Fixes: 8e3ba95f4190 ("dmaengine: cppi41: use managed functions devm_*()")
Reported-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Alexandre Bailon <abailon@baylibre.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

diff --git a/drivers/dma/cppi41.c b/drivers/dma/cppi41.c
index 0be56c971786d644046d7b1d939a982cde942595..f7e965f632747aa4c4a5532cd010d847917bbb67 100644 (file)
--- a/drivers/dma/cppi41.c
+++ b/drivers/dma/cppi41.c
@@ -1038,17 +1038,17 @@ static int cppi41_dma_probe(struct platform_device *pdev)
        if (index < 0)
                return index;
 
-       mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+       mem = platform_get_resource(pdev, IORESOURCE_MEM, index);
        cdd->ctrl_mem = devm_ioremap_resource(dev, mem);
        if (IS_ERR(cdd->ctrl_mem))
                return PTR_ERR(cdd->ctrl_mem);
 
-       mem = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+       mem = platform_get_resource(pdev, IORESOURCE_MEM, index + 1);
        cdd->sched_mem = devm_ioremap_resource(dev, mem);
        if (IS_ERR(cdd->sched_mem))
                return PTR_ERR(cdd->sched_mem);
 
-       mem = platform_get_resource(pdev, IORESOURCE_MEM, 2);
+       mem = platform_get_resource(pdev, IORESOURCE_MEM, index + 2);
        cdd->qmgr_mem = devm_ioremap_resource(dev, mem);
        if (IS_ERR(cdd->qmgr_mem))
                return PTR_ERR(cdd->qmgr_mem);