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-rw-r--r--drivers/mmc/host/sdhci.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 317578d6853..866528c4ac1 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1299,13 +1299,18 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot)
host->flags |= SDHCI_USE_DMA;
} else if (chip->quirks & SDHCI_QUIRK_FORCE_DMA)
host->flags |= SDHCI_USE_DMA;
- else if ((pdev->class & 0x0000FF) != PCI_SDHCI_IFDMA)
- DBG("Controller doesn't have DMA interface\n");
else if (!(caps & SDHCI_CAN_DO_DMA))
DBG("Controller doesn't have DMA capability\n");
else
host->flags |= SDHCI_USE_DMA;
+ if (((pdev->class & 0x0000FF) != PCI_SDHCI_IFDMA) &&
+ (host->flags & SDHCI_USE_DMA)) {
+ printk(KERN_WARNING "%s: Will use DMA "
+ "mode even though HW doesn't fully "
+ "claim to support it.\n", host->slot_descr);
+ }
+
if (host->flags & SDHCI_USE_DMA) {
if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) {
printk(KERN_WARNING "%s: No suitable DMA available. "