diff options
| author | Paul Zimmerman <Paul.Zimmerman@synopsys.com> | 2013-05-25 03:27:56 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-05-30 16:14:30 +0400 |
| commit | 308853139fcd440e4ca28d844678c7e69fb40826 (patch) | |
| tree | f814137fe44b05f3e588828305839f12a8cf0229 /drivers/staging | |
| parent | e4aa937ec75df0eea0bee03bffa3303ad36c986b (diff) | |
| download | linux-308853139fcd440e4ca28d844678c7e69fb40826.tar.xz | |
staging: dwc2: fix value of dma_mask
Passing the value DMA_BIT_MASK(31) to dma_set_mask() causes the
dwc2-pci driver to sometimes fail (cannot enumerate the connected
device). Change it to DMA_BIT_MASK(32) instead, which is a more
sensible value anyway.
Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/dwc2/hcd.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/staging/dwc2/hcd.c b/drivers/staging/dwc2/hcd.c index 827ab781ae9b..8551ccedf037 100644 --- a/drivers/staging/dwc2/hcd.c +++ b/drivers/staging/dwc2/hcd.c @@ -2804,9 +2804,8 @@ int dwc2_hcd_init(struct dwc2_hsotg *hsotg, int irq, /* Set device flags indicating whether the HCD supports DMA */ if (hsotg->core_params->dma_enable > 0) { - if (dma_set_mask(hsotg->dev, DMA_BIT_MASK(31)) < 0) - dev_warn(hsotg->dev, - "can't enable workaround for >2GB RAM\n"); + if (dma_set_mask(hsotg->dev, DMA_BIT_MASK(32)) < 0) + dev_warn(hsotg->dev, "can't set DMA mask\n"); if (dma_set_coherent_mask(hsotg->dev, DMA_BIT_MASK(31)) < 0) dev_warn(hsotg->dev, "can't enable workaround for >2GB RAM\n"); |