[PATCH 3/7] MFD:rtsx: Declare that the DMA address limitation is 32bit explicitly

From: wei_wang
Date: Mon Dec 24 2012 - 01:04:51 EST


From: Wei WANG <wei_wang@xxxxxxxxxxxxxx>

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 fa2c2bc..2ee6be5 100644
--- a/drivers/mfd/rtsx_pcr.c
+++ b/drivers/mfd/rtsx_pcr.c
@@ -1084,6 +1084,10 @@ static int __devinit rtsx_pci_probe(struct pci_dev *pcidev,
pci_set_master(pcidev);
synchronize_irq(pcr->irq);

+ ret = pci_set_dma_mask(pcidev, DMA_BIT_MASK(32));
+ if (ret < 0)
+ goto disable_irq;
+
ret = rtsx_pci_init_chip(pcr);
if (ret < 0)
goto disable_irq;
--
1.7.9.5

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