From: Wei WANG <wei_wang@xxxxxxxxxxxxxx> Realtek PCIe card reader only supports 32bit DMA. This declaration can improve the readability Signed-off-by: Wei WANG <wei_wang@xxxxxxxxxxxxxx> --- drivers/mfd/rtsx_pcr.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/mfd/rtsx_pcr.c b/drivers/mfd/rtsx_pcr.c index c021ce3..b2cfd2e 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; -- 1.7.9.5 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/devel