[PATCH v6 1/5] mmc: davinci: allow driver to work without DMA resource

[Manjunathappa, Prakash]

Do not return probe failure with missing DMA resources,
allow driver to work in PIO mode.
Tested on da850-evm by mounting partition followed by
file creation and deletion.

Signed-off-by: Manjunathappa, Prakash <prakash.pm at ti.com>
Tested-by: Sekhar Nori <nsekhar at ti.com>
---
 drivers/mmc/host/davinci_mmc.c |   10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/mmc/host/davinci_mmc.c b/drivers/mmc/host/davinci_mmc.c
index f5d46ea..bd848d3 100644
--- a/drivers/mmc/host/davinci_mmc.c
+++ b/drivers/mmc/host/davinci_mmc.c
@@ -1191,13 +1191,15 @@ static int __init davinci_mmcsd_probe(struct platform_device *pdev)
 
 	r = platform_get_resource(pdev, IORESOURCE_DMA, 0);
 	if (!r)
-		goto out;
-	host->rxdma = r->start;
+		dev_warn(&pdev->dev, "RX DMA resource not specified\n");
+	else
+		host->rxdma = r->start;
 
 	r = platform_get_resource(pdev, IORESOURCE_DMA, 1);
 	if (!r)
-		goto out;
-	host->txdma = r->start;
+		dev_warn(&pdev->dev, "TX DMA resource not specified\n");
+	else
+		host->txdma = r->start;
 
 	host->mem_res = mem;
 	host->base = ioremap(mem->start, mem_size);
-- 
1.7.4.1