diff options
| author | Manjunathappa, Prakash <prakash.pm@ti.com> | 2013-02-05 17:52:24 +0530 |
|---|---|---|
| committer | Chris Ball <cjb@laptop.org> | 2013-03-22 12:05:16 -0400 |
| commit | e3e020f8acbd39a6feb1b6903725aaf658b0fec4 (patch) | |
| tree | ee1432f71cddd61f549d7d65350172a50a4cdc39 | |
| parent | c69042a51e7d890c373345a7e524e895b266eb72 (diff) | |
mmc: davinci_mmc: allow driver to work without DMA resource
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@ti.com>
Tested-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
| -rw-r--r-- | 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 20636772c09..27123f8b704 100644 --- a/drivers/mmc/host/davinci_mmc.c +++ b/drivers/mmc/host/davinci_mmc.c @@ -1190,13 +1190,15 @@ 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); |