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| author | Wei WANG <wei_wang@realsil.com.cn> | 2013-01-29 11:21:34 +0400 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2013-02-14 03:22:57 +0400 |
| commit | f84ef04227d8983c8f76ac0f5cf8b0a15e0c67af (patch) | |
| tree | c6c5f1b36eaa726044dbcb4b56f9702fa3b224ac /drivers/mfd/rtsx_pcr.c | |
| parent | 9871c799d15dfb1609582bf8b2868217802a2100 (diff) | |
| download | linux-f84ef04227d8983c8f76ac0f5cf8b0a15e0c67af.tar.xz | |
mfd: rtsx: Declare that the DMA address limitation is 32bit explicitly
Realtek PCIe card reader only supports 32bit DMA.
This declaration can improve the readability.
Signed-off-by: Wei WANG <wei_wang@realsil.com.cn>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/mfd/rtsx_pcr.c')
| -rw-r--r-- | drivers/mfd/rtsx_pcr.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/mfd/rtsx_pcr.c b/drivers/mfd/rtsx_pcr.c index c021ce3df955..b2cfd2ed616c 100644 --- a/drivers/mfd/rtsx_pcr.c +++ b/drivers/mfd/rtsx_pcr.c @@ -1029,6 +1029,10 @@ static int rtsx_pci_probe(struct pci_dev *pcidev, pci_name(pcidev), (int)pcidev->vendor, (int)pcidev->device, (int)pcidev->revision); + ret = pci_set_dma_mask(pcidev, DMA_BIT_MASK(32)); + if (ret < 0) + return ret; + ret = pci_enable_device(pcidev); if (ret) return ret; |