dmaengine: dw: Remove error message from DT parsing code

Users are a bit frightened of the harmless message that tells that
DT is missed on ACPI-based platforms. Remove it for good, it will
simplify the future conversion to fwnode and device property APIs.

Fixes: a9ddb575d6d6 ("dmaengine: dw_dmac: Enhance device tree support")
Depends-on: f5e84eae7956 ("dmaengine: dw: platform: Split OF helpers to separate module")
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=199379
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Tested-by: Serge Semin <fancer.lancer@gmail.com>
Link: https://lore.kernel.org/r/20210802184355.49879-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/dma/dw/of.c b/drivers/dma/dw/of.c
index c1cf7675b9d10c8857855d418e5413e25757689d..4d2b89142721e2ca4df320aa577acc3df7609fdf 100644 (file)
--- a/drivers/dma/dw/of.c
+++ b/drivers/dma/dw/of.c
@@ -54,11 +54,6 @@ struct dw_dma_platform_data *dw_dma_parse_dt(struct platform_device *pdev)
        u32 nr_masters;
        u32 nr_channels;
 
-       if (!np) {
-               dev_err(&pdev->dev, "Missing DT data\n");
-               return NULL;
-       }
-
        if (of_property_read_u32(np, "dma-masters", &nr_masters))
                return NULL;
        if (nr_masters < 1 || nr_masters > DW_DMA_MAX_NR_MASTERS)